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A 2-litre (3.5 imp pt) container of white spirit. White spirit (AU, UK and Ireland) [note 1] or mineral spirits (US, Canada), also known as mineral turpentine (AU/NZ/ZA), turpentine substitute, and petroleum spirits, is a petroleum-derived clear liquid used as a common organic solvent in painting. [1]
The TAG flash point tester adheres to ASTM D56 and has no stirrer, while the Abel flash point testers adheres to IP 170 and ISO 13736 and has a stirring motor so the sample is stirred during testing. The flash point is an empirical measurement rather than a fundamental physical parameter.
A flammable liquid is a liquid having a flash point of not more than 60 °C (140 °F), or any material in a liquid phase with a flash point at or above 37.8 °C (100 °F) that is intentionally heated and offered for transportation or transported at or above its flash point in a bulk packaging. The following exceptions apply:
Those with flash points above 37.8 °C/100 °F and below 93.3 °C/200 °F were classified as combustible liquids. [2] [3] Studies show that the actual measure of a liquid's flammability, its flash point, is dependent on the local air pressure, meaning that at higher altitudes where the air pressure is lower, the flash point is also lower. [4]
Mineral Spirits, often referred to as paint thinner, represent a complex petroleum distillate with a flash point range between 104 degrees F (40 degrees C) and 110 degrees F (43 degrees C). With an ignition temperature of 473 degrees F (245 degrees C) and explosive limits of 0.8% at 212 degrees F (100 degrees C), mineral spirits possess a vapor ...
For example, in the United States flammable liquids, by definition, have a flash point below 100 °F (38 °C)—where combustible liquids have a flash point above 100 °F (38 °C). Flammable solids are solids that are readily combustible, or may cause or contribute to fire through friction.
These solvents are volatile organic compounds (VOCs), with white or mineral spirits having a very low flash point at about 40°C (104°F), the same as some popular brands of charcoal starter. All such solvents with low flash points are hazardous and must be labelled as flammable .
Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). 4 Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily (e.g., gasoline , acetylene ...