Non-combustible materials are used wherever there is at least a minimal risk of fire. These can be materials used in construction, in the manufacture of personal protective equipment to protect against high temperatures, or in equipment used by people to facilitate the handling of hot objects. In my thesis, I focused on non-combustible personal protective equipment, but also added some non-combustible building materials and listed the standards used for their classification. Besides an environment without oxidizing agents and an environment without sufficient ignition temperature, the use of non-combustible materials is one of the three methods of fire protection. The standards define test methods and requirements for non-combustible materials, which enable manufacturers to know the circumstances under which products made of these materials may be used. Non-flammable personal protective equipment may consist of materials or. fibers that are inherently non-flammable (aramides, carbon fibers, modal acrylates, polybenzimidazole), or of materials that must be treated to become non-flammable (plastics, e.g. polybutylene terephthalate, silicone rubber, unsaturated polyester resins, etc). Finishes can also be used to convert cellulose, cotton and wool into non-flammable protective clothing, but this protection is removed by washing.
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