Standard Test Method for Constant-Temperature Stability Of Chemical Materials
1.1 This method covers the assessment of constant-temperature stability of chemical materials that undergo exothermic reactions. The techniques and apparatus described may be used on solids, liquids, or slurries of chemical substances.
1.2 This method is one of several developed by Committee E-27 for determining the hazards of chemical compounds and mixtures. This method is for use as a result of evidence of an exothermic reaction.
1.3 When a series of materials is tested by this method, the results permit ordering the materials relative to each other with respect to their thermal stability.
1.4 Limitations of Test :
1.4.1 This method is limited to ambient temperatures and above.
1.4.2 This method determines neither a safe storage temperature nor a safe processing temperature.
1.4.3 When this method is used to order the relative thermal stability of materials, the tests must be run under the same confinement condition (see 7.3).
1.5 This standard should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use.
1.6 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health pratices and determine the applicability of regulatory limitations prior to use.
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