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高填充量·精制—氫氧化鎂Mg(OH)₂—阻燃劑

阻燃·無(wú)毒·無(wú)煙 (消煙)·阻滴·高平滑度·高物理強(qiáng)度

◎ #9119 Mg(OH)₂系經(jīng)活性處理，受熱分解時(shí)，分解出結(jié)晶水(H₂O)及活性氧化鎂(MgO); 水能吸收大量潛熱，降低材料在火焰中的溫度，同時(shí)抑制可燃性氣體，進(jìn)一步分解，阻止燃燒。活性氧化鎂(MgO) 能催化氧化煙量，大大減少生煙量和煙逸出的速度，同時(shí)能吸收大量的物質(zhì)—高分子自由基和碳(燃燒時(shí)，沉積為灰)，阻止燃燒，并延遲材料引燃時(shí)間，亦具有極優(yōu)異的抑制—具毒性之HCL的生成·降低人員傷害。

◎ #9119 Mg(OH)₂為超細(xì)無(wú)粗顆粒，經(jīng)表面處理活性，高細(xì)度其極佳的表面平滑度·高物理強(qiáng)度…等。是高填充量的基本條件，建議用量：對(duì)總量約20～40%，依材質(zhì)·訂單要求而定。

物理化學(xué)特性分析

活性表面處理劑(日本信越 CRD513) %····································· 0.3

白度 %^GE···································································· 紅牌92·藍(lán)牌88

吸油值 g/100g··············································································· 37.2

容積密度 g/cm³············································································· 0.47

平均粒度 µm················································································· 3.0

比表面積cm²/g·············································································· 25000

Mg(OH)₂ 含量%············································································· 95.1

三氧化二鐵Fe₂O₃·········································································· 0.36

二氧化矽SiO₂··············································································· 0.96

氧化鈉Na₂O·················································································· 0.05

三氧化二鋁Al₂O₃·········································································· 0.43

氧化鉀K₂O···················································································· 0.77