At present, the market of anti static plastic sheet is divided into two categories: natural muscovite paper, natural phlogopite paper, synthetic fluoride mica paper.
Three kinds of mica paper in 500 ℃ below a small amount of material decomposition, weight loss rate are below l ‰; when the natural muscovite paper heated to 550 ℃ or more, natural geranium paper heated to 850 ℃ above a large number of structural water Decomposition, the synthesis of fluoride gold phenolic paper sheetr heated to l050 ℃ above, fluoride is also a large number of release. There is a large number of substances decomposed, their flame retardancy, pressure drop sharply, so the natural use of natural muscovite paper temperature of 550 ℃, natural geranium paper maximum temperature of 850 ℃, and Taiwan into fluorophlogopite The maximum temperature of the paper is 1 050 ° C.
China's fire cable sub-A, B two categories, Class A cable maximum temperature requirements for the 950 ~ 1 000 ℃, B class cable maximum temperature requirements of 750 ~ 800 ℃, for the above reasons, the manufacture of fire cables used mica The band can only be made of natural geranium paper or synthetic fluorine mica paper.
没有评论:
发表评论