Simply put, the general building materials (such as wood, gypsum board to the metal ceiling) when subjected to high temperature or combustion will spread the fire and heat to other locations.

简单地说，一般建材(如木材、石膏板其至金属天花)当受到高温或燃烧后都会将火和热蔓延至其它位置。

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This product adopts adjustable plastic board for conveyor belt, high-temperature resistance, corrosion resistance, with infinitely variable speed motor power, can be arbitrary regulation speed.

本产品线采用可调节的塑料板作输送带，耐高温、耐腐蚀，以无极变速电机作动力，可任意调节速度。

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Rock wool board waterproof rock wool board rock wool is a selection of basalt as the main raw material, by high temperature melting processing of artificial inorganic fibers made.

岩棉板防水岩棉板岩棉是以精选的玄武岩为主要原料，经高温熔融加工制成的人造无机纤维。

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