Colors with an alcohol base: Alcohol is a flammable substance that rapidly catches fire. Hazard category means the division of criteria within each hazard class, e. Flammability is an innate idea of any material. Flammable and combustible materials will generate vapours when exposed to a temperature at, or above, its flash point, which can easily ignite when. It can be explosive when mixed with a flammable chemical substance. Dangerous. Flammable materials are those that catch fire readily. 8 ºC and below 93. Flashpoint. Non-dairy creamer. Most of OSHA’s PELs for Shipyard Employment are contained in 1915. Sulfur is a non-combustible substance, meaning it does not burn easily and is not flammable. Incendiary ammunition. Division 2. Give feedback. Flammable and inflammable mean exactly the same thing: a substance burns easily or readily catches fire. g. 4. Flammable symbol. B. A combustible liquid is a liquid with a closed-cup flash point greater than or equal to 100°F (38°C). Gasoline is a toxic and highly flammable liquid. Flammable liquids include petrol, ethanol, methylated spirit, paint thinners, kerosene, acetone and diesel. NFPA has six classes of flammable liquids. The. Melies The Bunny/Flickr. It is also used to characterize the fire hazards of fuels. July 14, 2010. Most portable extinguishers are rated for use with more than one classification of fire. piping system where a flammable substance is present. 8 °C (100. , acute toxicity and flammable liquids each include four hazard categories numbered from category 1 through category 4. flammable definition: 1. Flammable and Combustible Liquids Storage Requirements. When looking for a suitable place to store flammable and combustible liquids at home, distance from ignition sources such as heat sources (e. Distance from Ignition Sources. Hand sanitizer. Flammable Liquids have a flash point below 100°F and a vapor pressure not exceeding 40 psi at 100°F. There is an enormous variety of flammable substances to be found in the workplace. Class 8 - Corrosive substances. 1. Of these kinds of fires, 96% started in the kitchen—indicating that grease fires. This condition implies risk of burns, explosions, freezing and poisoning. Substances which may explode when in contact with a source of ignition or which are more sensitive to shock and friction than dinitrobenzene. • Store flammable liquids in a well ventilated area. Flammable Limit: When the vapors of flammable substances are in the air, and they come in contact with the liquids, they tend to ignite. Flammable substances are those gases, liquids and solids that will ignite and continue to burn in air if exposed to a source of ignition. Botox, or Botulinum toxin A, is a ubiquitous cosmetic chemical that is one of the most toxic chemicals. if clothing is splashed, change it immediately. Print Page. Combustion is a chemical reaction that produces both heat and. These devices were cheap to make and easy to prepare. There are eight key hazard classes: Class 1: explosives. Flammable Liquid Properties ›. 4. Gases which form flammable mixtures with air ; Highly or extremely flammable liquids with flash points lower than 21 °C ; Flammable liquids with flash points lower than 55 °C . Learn more. Powdered Sugar and Spices. Keep corrosives away from substances that they may react with and release corrosive, toxic, or flammable vaporsIt covers liquid substances, molten solid substances with a flash point above 60 celcius degrees and liquid desensitized explosives. Powdered spices like cinnamon, chili. An extinguisher with an ABC rating is suitable for use with fires involving ordinary combustibles, flammable liquids. When heated, sulfur can produce toxic fumes, but it does not ignite or support combustion. This page is a guide to the most common regulations relating to flammable and combustible liquids. Should a. ]) Class 4 - Flammable solids; Substances liable to spontaneous combustion; Substances which, on contact with water, emit flammable gases. These chemical classes, when exposed to oxygen, help ignite substances that wouldn't otherwise combust and/or make fires burn hotter and longer. 5 psi. Hazards associated with flammable gas are directly dependent on the probability of creating an explosive atmosphere. Flammable and inflammable are two words with the same meaning. Inflammable substances are the ones that are much harder to burn or catch fire. (of a person) quick to become angry or violent. 8 C)100 F (37. Fire hazards are conditions that favor fire development or growth. Botulinum toxin A, also known as Botox. 2 Class 4. (d) For mixtures of inorganic oxidizing substances with organic material(s), the concentration of the inorganic oxidizing substance is: (i) less than 15%, by mass, if the oxidizing substance is assigned to Category 1 or 2; (ii) less than 30%, by mass, if the oxidizing substance is assigned to Category 3. Should a flammable material meet an ignition source in the presence of oxygen, only the low strength (energy level) of the ignition source or the low (or high) relative concentration 62 of either the flammable material or oxygen can. The risk management analysis will have a significant impact on the format and content of an emergency response or spill control procedure. If you decide to use a chemical storage cabinet to store and segregate Class 3 Flammable Liquids from your Class 8 corrosive substances, the cabinet must comply with design specifications outlined in AS 1940:2017 - The storage and handling of flammable and combustible liquids. They are those chemical substances that can be compressed or liquefied, through pressure, extreme cold or dissolution (among other techniques). 4 Class 4 – Flammable solids; substances liable to spontaneous combustion; substances which, in contact with water, emit flammable gases 2. At a concentration in air lower than the LFL, gas. In layman’s terms, that means that all you have to do is light the. Division 2. It would be convenient if all substances could be categorized as either flammable or. Checked Bags: Yes. 8 ºC. To get it to catch fire and sustain a flame, to become ‘flammable’, it must first be heated to a certain temperature that is dependent on its composition. Corrosive to metals5. “ADR” means Accord européen relatif au transport international des marchandises dangereuses par route (The European Agreement Concerning the International Carriage of Dangerous Goods by Road) 2. A liquid with a flashpoint between 100 F is combustible. 1910. The other two are: HSG51 - Storage of flammable liquids in containers; HSG176 - Storage of flammable liquids in tanks; It supplements the advice contained in Dangerous substances and explosive atmospheres. 3). 6 percent. 2 Spontaneously Combustible: Solid substances that ignite spontaneously (aluminium alkyls, white phosphorus). Class 3 - Flammable liquids. There is an enormous variety of flammable substances to be found in the workplace. Gasoline is produced from petroleum in the refining process. Therefore, the lower a substance's flash point, the more hazardous it is. Where the concentration of the regulated flammable substance in the mixture is one percent or more by weight of the mixture, the entire weight of the mixture must be applied toward the 10,000 pound threshold quantity for the flammable substance unless the owner or operator can demonstrate that the mixture itself does not have an. B. . Class 8: corrosive substances. Chapter 2. A common measure of the explosiveness of a flammable mixture is its Lower Explosive Limit or LEL. Drums containers, or hollow structures which have contained toxic or flammable substances shall, before welding, cutting, or heating is undertaken on them, either be filled with water or thoroughly cleaned of such substances and ventilated and tested. This means it will ignite when there is 1. These are the basic differences between flammable and inflammable substances. hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. This means that, in practice, it will catch fire as soon as it is exposed to a naked flame or a spark without needing to be heated prior to this. 8°C), while a substance is considered combustible if its flash point is between 100°F and 200°F (37. But what if there was a material that could set sand on fire? Okay, so clearly that was a loaded question, but it was a necessary set-up. Flammable liquids, Flammable liquids are: A liquid having a flash point of = 60. Self reactive substances. Aerosol cans. In English, we think of in- as a prefix that means "not": inactive means "not active," inconclusive means "not. Three basic. The presence of hazardous materials can always be detected by the sense of smell. Common examples of these. Note that five fire classifications follow the USA standard system for classifying fires. Ignition Temperature. Paragraph 1910. The recommended distance between these ignition sources and your storage area should be at least 10 feet (3. Splash proof goggles in addition to standard laboratory personal protective equipment (PPE) consisting of a lab coat, closed toe shoes and nitrile gloves should be worn while pouring flammable liquids. This category represents the most injuries and most property losses of all types of flammable liquids. 1 Definition The first two mean the same thing, but one is preferred. Something that is flammable burns easily: 2. The majority of the FP measurements was performed with a sample volume of 12 mL. It means that they have lower flashpoint. 3 Specifications for Pipelines Conveying Non-Flammable Substances 5. Class 8 - Corrosive substances. 4°C for substances tested with an open-cup method). of fumes in the air. A spark or high heat must also be. When safety cans are used, up to 25 gallons may be stored without using a flammable storage cabinet. The classes range from 1-A to 1-C, with 1-A being the most dangerous. • Door shall have a three point latch. Common flammable materials found in workplaces include liquefied petroleum gas (LPG), paints, varnishes and lacquers. When flammable liquids are transferred from a container into a vehicle, follow basic health and safety precautions: decant (pour) in the open air. An explosive atmosphere is a highly inflammable mixture of air and flammable substances, and constitutes a potential danger to workers. 2: Substances liable to spontaneous combustion. Division 2. These fire and flammability standards are instrumental in the establishment of building codes, insurance requirements, and other fire regulations that govern the use of building materials, as well as in defining the appropriate criteria for the storage, handling, and transport of highly flammable substances. Joints shall be riveted, welded or made tight by some. , furnace, oven) and electrical outlets has to be considered. Flammable Liquids. A material is considered flammable if it has a flash point of any temperature below 37. Chlorine triflouride has the dubious honor of being terrifyingly. Class 3: Flammable Liquids. Exothermic reactions generate light. 4 parts of gasoline mixed with 100 parts air. The Manual for Railway Engineering (MRE) is an annual publication released every April. Flash point ≥ 23°C and ≤ 60°C. handling and storage of flammable substances; introduce procedures to prevent accidents and protect people from the hazards of flammable substances; find more detailed information when you need it. Examples of European warning for flammable substancesIn the case of toxic substances, the limits are the same as IDLH (Immediately Dangerous to Life or Health) concentrations. 3 (29)c, g, i. 1 Flammable gases. 8 degrees C), except any mixture having components with flashpoints of 100 degrees F (37. Flammable liquids have a flash point of less than 100°F. Flamehandling and storage of flammable substances; introduce procedures to prevent accidents and protect people from the hazards of flammable substances; find more detailed information when you need it. C. Some of them may surprise you! 1 / 10. Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. hazardous substances in the facility to include their locations and a master file of SDSs (Deficiency EHS-8. Combustible materials are solids or liquids that can easily ignite and burn. 8°C), while a substance is considered combustible if its flash point is between 100°F and 200°F (37. 0 percent by volume, and. Photo: istockphoto. It is named for Vyacheslav Molotov, the Soviet Union’s foreign minister during and after World War II, though Molotov was not its inventor. Many homeowners are already aware of the safety risks within their home, including mold, burning candles,. Class 3 - Flammable liquids. This is when the vapor from the substance can ignite in the air and cause a fire. To control these potential hazards, several properties of these materials, such as volatility, flashpoint, flammable range and autoignition. (d) For mixtures of inorganic oxidizing substances with organic material(s), the concentration of the inorganic oxidizing substance is: (i) Less than 15%, by mass, if the oxidizing substance is assigned to Category 1 or 2; (ii) Less than 30%, by mass, if the oxidizing substance is assigned to Category 3. 1 Call 1. The thick and sticky substance from the gas and styrofoam mixture can stick to the skin or any surface and burn at the same time when launched with fire. 1), substances liable to spontaneous combustion (Division 4. plastic containers, oil can, grunge bottles and tanks flammable stock pictures, royalty-free photos & images Combustibility is a measure of how easily a substance bursts into flame, through fire or combustion. The short answer is yes, perfume can be flammable. Vehicles carrying dangerous goods must be equipped with orange signs, where the upper code number identifies the type of hazard, and the lower code number identifies the specific substance. The OSHA Laboratory Standard defines a flammable liquid as any liquid having a flashpoint below 100 degrees F (37. Because it’s a common ingredient everywhere, most people don’t think. FLAMMABLES. Verified by Toppr. It is an important property to consider when dealing with potentially hazardous materials. Here are eight flammable liquids that may be lying around your home. g. Vector illustration of yellow triangle warning sign with flame fire inside. Letter # 20060425-7047. ”. Class 9 - Miscellaneous dangerous substances and articles. The Occupational Safety and Health Administration (OSHA) of the United States Department of Labor defines a liquid as flammable if it has a flash point at or b…Flammable substances are defined as substances that will ignite and continue to burn when brought into contact with an ignition source. Flammable – The symbol for this is a flame and it pertains to chemicals or highly flammable gases that may catch fire or ignite once exposed to air or other ignition sources or elements. 5 percent and 23. The OSHA Laboratory Standard defines a flammable solid as a “solid, other than a blasting agent or explosive, that is liable to cause fire through friction, absorption of moisture, spontaneous chemical change, or retained heat from manufacturing or processing, or which can be ignited readily and when ignited. The majority of perfume bottles feature tiny openings through which the fragrance evaporates. These flames are often controlled, but the danger arises when the bottle is too close to the stove. Learn about the features and operation of the most. This is why it was useful war material during the Second World War. A material will not be uniformly flammable, and, in fact, different compositions of the same material. textiles with decomposing greases and fats), substances that develop flammable gases on contact with water or other chemicals, explosives, oxidising substances (e. Related to volatile flammable substances. 2: Non-flammable, non-toxic gases - Division 2. Safe Working with Flammable Substances. 3 ºC. The Flammable Liquid Standard also covers the design, construction, and capacity of flammable storage cabinets. NFPA splits flammable liquids into two types: flammable and combustible. . 2 You can ship dry ice to Canada if your shipment meets the following three conditions:. Hazardous Combustion Products Hydrogen. A good way to remember to use flammable over inflammable is that it is a simpler word, as is it’s opposite. 29, 2023. Class IB. 8 oC and 93 oC. 2. This is an important property to consider when a substance is used for construction or is being stored. Most of the fuels are hydrocarbon products obtained from fractional distillation of crude oil. An aerosol is any substance kept under pressure and released as a spray (think: hairspray, spray deodorant, air freshener, sunscreen and spray paint). Examples of fire hazards include: Compressed gas and oil safety tank with dangerous radioactive flammable substance vector illustration isolated on white background group of dirty plastic containers in front of a wall. The vapor burns, not the liquid itself. S. The National Fire Protection Association (NFPA) defines a flammable liquid as a liquid with a flash point that does not exceed 100°F (38°C). Something that is flammable burns easily: 3. Definitions. 1 Flammable Solids: Solid substances that are easily ignited and readily combustible (nitrocellulose, magnesium, safety or strike-anywhere matches). Flammable materials sign for print. Flour is a powdery substance made from the pulverized seeds of plants like wheat, barley, corn, and rice. Linseed oil. About dangerous substances. 1910. Combustible: A liquid with a flash point over 100°F (38°C) is considered combustible. It is not a flammable substance for purposes of PC 244. It refers to the ability of the respective substance to burn or ignite, causing combustion or fire. Learn more. The easiest and safest way to store or transport flammable oily rags is to submerge them in water in a metal container with a lid. This standard permits both metal and wooden storage cabinets. The liquid you rub over your fingernails is composed of acetone, which is highly flammable. Lower flammability limit (LFL): The lowest concentration (percentage) of a gas or a vapor in air capable of producing a flash of fire in the presence of an ignition source (arc, flame, heat). Question #1: Why are the definitions for combustible liquids and flammable liquids different under OSHA's construction and general industry standards? Answer #1:Dry batteries (AA, AAA, C, and D) Carry On Bags: Yes. 55 – Gases, Vapors, Fumes, Dusts, and Mists, and are listed by chemical name. What are DOT class 4. Fires and explosive atmospheres can be caused by work which involves storage, use or creation of flammable substances including gases, mists, or vapours or by combustible. Liquids like gasoline, alcohol, oils, and paints can ignite at relatively low temperatures (known as their flash point). Because it is often improperly stored in a garage or shed, the metal lid can generate a spark if it comes into contact with anything else, causing severe fire damage. Flammable substances are those gases, liquids and solids that will ignite and continue to burn in air if exposed to a source of ignition. The main example of an inflammable substance is coal which is by, and large found as sedimentary rocks and is essentially utilised in creating intensity and light. In use, the fuse attached to the container is lit and the weapon. These fire and flammability standards are instrumental in the establishment of building codes, insurance requirements, and other fire regulations that govern the use of building materials, as well as in defining the appropriate criteria for the storage, handling, and transport of highly flammable substances. The dangerous substances and Explosive Atmospheres Regulations 2002 (DSEAR) require risks from the indoor storage of dangerous substances to be controlled by elimination or by reducing the quantities of such substances in the workplace to a minimum and providing mitigation to protect against. Flammables can cause fires in the presence of oxygen and an ignition source. Common flammable materials found in workplaces include liquefied petroleum gas (LPG), paints, varnishes and lacquers. Table 4 summarises the separation distances of. 106 (d) (3) (ii) (a) requires " the bottom, top, door, and sides of cabinet shall be at least No. However, many of these limits are outdated. 3. Here are eight flammable liquids that may be lying around your home. 4. Flammable liquids are defined by the National Fire Protection Association (NFPA), as a liquid with a closed-cup flash point less than 100°F (38°C) and a combustible liquid is a liquid with a closed-cup flash point greater than or equal to 100°F (38°C). 1 A solid that under normal conditions of transport is readily combustible, or would cause or contribute to fire through friction or from heat retained from manufacturing or processing. Make sure you’re adhering to UN regulations when storing and shipping. These symbols cannot be readily interpreted without the aid of a table to translate the numerical codes. The flashpoint of a chemical is the temperature at which the vapor of the chemical is capable. Avoid using it near heat sources, and be sure to let it dry completely before. Technically, “nonflammable”. The most flammable substance. This is an important property to consider when a substance is used for construction or is being stored. It is also important in processes that produce combustible substances as a by-product. Examples: Diethyl ether and. 10. Yes, benzene is an extremely flammable substance. 8 degrees C) or higher, the total of which make up 99% or more of the total volume of the mixture. Medium: Fire could occur but is unlikely to spread rapidly due to the presence of combustible materials and heat sources. ) in the most common sizes: AA, AAA, C, D, button cell, 9-volt, etc. Flammable liquids cabinets do not have to be ventilated. From above of burning charcoal and torch with orange sparks surrounded by rough stones at campsite. 1 Flammable solids, self-reactive. It refers to the ability of the respective substance to burn or ignite, causing combustion or fire. Cosolvent Machines. Commonly transported class 3. Follow these requirements for flammable and combustible liquids storage at UC San Diego. The short answer is yes it is highly flammable, but there are a few things to clear up with this answer. The cupboard or storeroom should be clearly marked as containing “Highly Flammable” substances. 5. When looking for a suitable place to store flammable and combustible liquids at home, distance from ignition sources such as heat sources (e. Flammable Substances stock photos are available in a variety of sizes and formats to fit. Like flour, powdered sugar is a carbohydrate, and when it gets hot, the sugar molecules can ignite. 8 C)≥100 F (37. Check out these common household items that are highly flammable. Knoxville, TN 37917. 3 Substances which in contact with water emit flammable gases Substances which, by interaction with water, are liable to become spontaneously flammable or to give off flammable gases in dangerous quantities. Class 4 - Flammable solids. 6. The UN define class 3 substances as flammable liquids and liquid desensitized explosives. Class 1-A Flammable Liquid: Liquid substance with a flashpoint below 73 degrees F and a boiling point below 73 degrees F. For most workplaces, the most notable impact will be seen in the changes to the flammable gases class and the new class of chemicals under pressure. Combustible substances include dust, fibres, fumes, mists or vapours produced by the substance, like heating oil, engine oil and vegetable oil, as well as timber products. A Molotov cocktail is a crude incendiary bomb, typically a bottle filled with a flammable liquid and a wick that is ignited before throwing. “R-22a” has been sold under the. Small quantities of flammable substances can be found in most workplaces. 1 – Flammable solids, self-reactive substances,Gasoline use contributes to air pollution. Although used infrequently during the wars, the flaming. flammable: [adjective] capable of being easily ignited and of burning quickly. These include: Flammable solids. Expand All. It is also used to characterize the fire hazards of fuels. Pouring flammable liquids can generate static electricity. This Technical Measures Document covers the storage and handling of toxic and flammable substances in drums and cylinders and refers to relevant codes of practice and standards. The guidance is one of three documents dealing with fire and explosion hazards associated with flammable liquids. Is Baking Flour Flammable. 4. Do not store anything but flammable or combustible liquids in these; Segregate acids from; Keep oxidizers away from flammables and combustibles. Fire and explosion can result when the following three elements come together (commonly referred to as the fire triangle): a source of fuel (a flammable or combustible substance)Solution. 3 ºC. Flammable substances storage Information on risk assessment for the safe storage of highly flammable substances in cabinets and separation from other dangerous substances. Substances with a flash point above 100°F are considered combustible substances and take more time to ignite than flammable substances. It is extremely flammable. If flammable materials are not managed properly, they pose serious fire risks. Danger zone. (physics) evaporating or vaporizing readily under normal conditions. Enter a Crossword Clue. Self-heating substances and mixtures (Category 1 and 2) Substances and mixtures which, in contact with water, emit flammable gases (Category 1, 2 and 3). Class 6: substances toxic to people. In ALOHA, a flammable Level of Concern (LOC) is a threshold concentration of fuel in the air above which a flammability hazard may exist. Here are eight flammable liquids that may be lying around your home. 3: Danger: P223, P231+P232, P280: P302+P335+P334, P370+P378: P402+P404: P501 : H261: In contact with water releases flammable gas: Substances and mixtures which in contact with water, emit flammable. They are divided into flammable, non-flammable and poisonous. Most flammable liquids are highly volatile chemicals which emit hazardous vapours. Attention. 3. Some acids are entirely flammable, while some have inferior flammable properties. Unfortunately, they are highly volatile and flammable and show flash points (FPs) around room temperature (between 16 and 33°C). W 01 sign icon isolated on white background. The five classes of fire are: Class A Fire: Ordinary Combustible. While almost every material on earth will burn if it gets hot enough, many objects, like most types of metal, can't be made hot enough by everyday means of ignition. Recently, in Cypress, Texas, a woman's body caught fire when a nearby candle ignited her nail polish remover. B. If there is enough of a substance, mixed with air, then all it needs is a source of ignition to cause an explosion. 3. The dry ice is used as a refrigerant in a small container with a capacity of 450 liters or less. In general, a substance is considered flammable if its flash point is less than 100°F (37. This refrigerant is a highly flammable, colorless gas that is heavier than air. A change is that GHS has introduced category 4 which overlaps with the C1 combustible liquids as. Gasoline, Diesel Fuel, and Motor Oil. Hydrogen. Generally, a material can be rated as extremely flammable, flammable, and non-flammable. By burning, one generally means self sustained combustion. This needs to be present in a relatively high quantity to produce an explosive mixture (e. Handling Precautions Avoid accumulation of vapors and to control sources of ignition including: open flames electrical equipment sources of static electricity Accounts of a few of the fires that have occurred in our laboratories may be found in Anecdotes. Vector fire warning sign red and black. Hence, chemical combustion requires a degree of difficulty, which is quantified through fire testing. The danger with flammable liquids is not just that they can burn but that they can explode under the right. Ignition Temperature. Gasoline, turpentine, and paint thinner. FLAMMABLE翻译：易燃的。. (865) 595-4480. Flammable Gas: 2. The water and the sealed container prevent oxygen from the air from ever reaching and combining with the petroleum distillates saturating the rags. able…. Flammable solids are any materials in the solid phase of matter that can readily undergo combustion in the presence of a source of ignition under standard circumstances,. Gasoline is a manufactured mixture that does not exist naturally in the environment. Flame resistance is the property of a substance not to flame in case of contacting with fire. Something that is flammable burns easily: 3. Combustible substances are substances that catch fire or burn as a result of a chemical reaction or fire. Acids can also ignite when it reacts with metal or combines with other combustible substances. While this varies greatly depending on the material, flammable substances usually have a flash point of below 37. 2. Flammable (Symbol: open flame) This symbol refers to any flammable chemicals or other substances that ignite on contact with air, a small ignition source, has a low flash point or can evolve highly flammable gases when in contact with water. Flame: Flammable materials or substances liable to self ignite when exposed to water or air (pyrophoric), or which emit flammable gas. Those products which catch fire very easily are called inflammable substances These substances have very low ignition temperature Example LPG (Liquified Petroleum Gas) Kerosene Petrol. They are synonyms. The fireworks were made of flammable materials that could easily catch fire. Cabinets shall be labeled in conspicuous lettering, "Flammable-Keep Away from Open Flames. Many flammable and combustible liquids and solids are volatile in nature; that is, they evaporate quickly and are continually giving off vapours. This entry applies to typical non-lithium dry batteries (alkaline, nickel metal hydride, nickel cadmium, etc. Flash point > 60°C and ≤ 93°C. Class IIIB. Flammable and combustible liquids vaporize and form flammable mixtures with air when in open containers, when leaks occur, or when heated. However, the European and Australian categories slightly differ (jump to the international comparison chart ). S. These include flammable solids (Division 4. Special precautions are usually required for. Pouring larger volumes may require additional PPE consisting of thicker gloves and. High temperature, low humidity, and low air pressure can make a substance more flammable.