1.1 This performance specification covers textile materials to be used for protective clothing.
1.2 Materials used for both primary protection and for secondary protection are covered.
1.3 Protective properties relate to contact with molten substances and hot surfaces, and exposure to open flame and radiant heat.
1.4 This performance specification covers clothing design characteristics that relate to the unique protective requirements of working with molten substances.
1.5 This performance specification describes the properties of specific textile materials in their fabric or garment composite form as tested by laboratory methods and should not be used to appraise the thermal hazard or fire risk under actual conditions. However, clothing made from textile materials conforming to this specification may be used as an element in thermal risk assessment which takes into account all factors pertinent to the thermal hazard of a particular end use.
1.6 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.7 The following precautionary caveat pertains only to the test methods portion, Section 8, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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