Stock material product which is made so as to afford some defense against heat or fire, such as insulation or fire retardation.
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35+, for a tube type article of heat insulation not otherwise provided for.
386, 407, 432+, 457+, and 539, for other products which include a refractory metal or compound thereof which have a fire, heat or flame proofing feature.
443, for a laminated product comprising asbestos which acts to protect against heat or fire.
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5, 7, and 8 for a heat resistant head covering for a person.
138, Pipes and Tubular Conduits, for an insulation in the form of pipe covering of specific structure. 169, Fire Extinguishers, appropriate subclasses for apparatus which acts to extinguish fires, or which act in anticipation of fire conditions to prevent fires.
2+, for a composition which may be used to extinguish fires or as a coating or impregnation to act as a defense against fire or flame.