Should study the features of fire insulation, such as reduction of fuel, reducing the air channel and the use of fire retardant. For example, borax. Commonly used as flame retardant in the fiber. Qualified anti fungus, insects, ants, termites.Compound zinc borate. Commonly used as flame retardant in natural rubber and polymer (wisit swinging Charoen rat and adisorn โกฏวิเชียร) and study whether the fire retardant effect on thermal conductivity.
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