Evans coolant msds8/31/2023 ![]() Likewise as you mention when diluted with water, normally flammable liquids lose much of their ability to ignite, but even at high dilutions, if exposed to heat long enough to drive off the water as in a mist exposed to naked flame, you are back to the flammability of the undiluted material. Which threshold does SCTA consider "flammable" for the purposes of their ruling? ![]() The fourth (white) section is left blank and is used only to denote special fire fighting measures/hazards.įor the flammability ratings the numbers correspond to:Ĥ Will rapidly or completely vaporize at normal pressure and temperature, or is readily dispersed in air and will burn readily.ģ Liquids and solids that can be ignited under almost all ambient conditions.Ģ Must be moderately heated or exposed to relatively high temperature before ignition can occur.ġ Must be preheated before ignition can occur. Numbers in the three colored sections range from 0 (least severe hazard) to 4 (most severe hazard). The diamond is broken into four sections. What do the numbers and symbols on an NFPA fire diamond mean? ![]() is there a field test they will accept to demonstrate it is not flammable?Įach product should include in the MSDS sheet an NFPA 704 Hazard Identification ratings system rating. do you depend on the MSDS sheet NFPA rating for the undiluted coolant?Ģ. The problem is that liquid flammability is highly dependent on the test conditions used to measure it.Ī fluid that is very difficult to ignite as a liquid pool by briefly exposing it to a naked flame can burn vigorously if in the form of a fine spray mist.įor that rule to have any value, it will need to specify how they are to determine if the coolant is flammable.ġ.
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