1. a white mineral consisting of silica; found in volcanic rocks. 
   一种白色矿物，由硅石构成，见于火山岩石中。
2. chemical processing of silica 
   硅石化学加工
3. A soft, compact calcite, CaCO3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellow-white and derived chiefly from fossil seashells. 
   白垩一种松软的方解石粉块，caco3，含有不等量的硅石、石英、长石或其它矿物杂质，通常为灰白色或黄白色，从贝类化石中制得
4. a mineral form of silica. 
   硅石的一种矿物形式。
5. variety of silica containing microcrystalline quartz. 
   含微小晶状的石英的硅石。

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• 1. 硅胶粉
  silica tube 石英管...silica white 硅胶粉...silicate 硅酸盐
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• 2. 氧化硅
  遍布美国东部沼泽地的灌木,有小的白到略带桃色的花 silica white...氧化硅 silk white...丝光白(主要成份为氯化钙和硅酸钠) silver white
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• 3. 白炭黑
  在线服务...白炭黑silica white...白炭黑　silica white 白炭黑,学名沉淀二氧化硅,分子式：SiO2 nH2O,外观为白色粉末。不溶于水及酸，深于苛性钠、氢氟酸，受高温不分解。具有良好的活性和吸附率，补强效果好，有很高的绝缘性。silica white (SiO2 NH2O), is a hydrate of silica dioxide and of white powder. It is insoluble in water and acid, but dissolves in caustic soda and hydrofluoric acid without separation under high temperature. It is of a high insulation, activity and absorption, and good reinforcing effect.一、BT-L（轮胎级tyre grade）分析项目Analysis Items技术指标Technical Indices二氧化硅含量(干品)SiO2( dry )%≥92加热减量Loss on drying(1050C、2h)%4.0-6.5 灼烧减量（干品，10000C，2h)% Loss on Ignition (drying, 1000℃,2h )≤7.0PH值（10%悬浮液）PHvalue (10 % aq. Suspension)6.0-7.5 BET比表面积m2/g BET Surface Area m2/g 150-180 DBP吸油值cm3/g DBP Oil Absorption cm3/g 2.6-3.0 R2 O含量R2O%≤2.0BT-L造粒白炭黑用于斜交工程轮胎、全钢子午轮胎，可以增强轮胎的耐磨性，显著降低轮胎滚动阻力，提高轮胎抗冰、抗湿滑能力， 同时也能用于其它橡胶制品。BT-L granulated silica white used for incline-crossed engineering tyre and whole steel tyre, can improve tyre's wear-resistence, significantly decrease tyre's rolling resistance, boost up both anti-ice and anti-water ability of tyre. It also used for other rubber goods.一、BT-X（制鞋级shoe-making grade）分析项目Analysis Items技术指标Technical indices二氧化硅含量(干品)%SiO2( dry )%≥92 加热减量(1050C、2h)%Loss on drying(105℃,2h)4.0-6.5 灼烧减量（干品，10000C，2h)%Loss on Ignition(drying, 1000℃,2h )≤7.0PH值（10%悬浮液） PH (10 % aq. suspension)6.0-7.5 BET比表面积m2/g BET specific surface area m2/g 130-150 DBP吸油值cm3/g DBP Oil Absorption cm3/g2.5-3.0 筛余物（75μm）% 75μm sieve residue≤0.5 BT-X白炭黑填充于透明及半透明鞋底，提高鞋底的强度、耐磨性能。能有效降低制鞋的成本，提高竞争力。BT-X silica white is filled into transparent or semi-transparent shoe-bottom. It can strengthen intensity and wearability of the shoe bottom, which would sequently reduce shoe-making cost and improve competence of the factory. 包装：袋装、内衬塑料薄膜、外塑料编织袋，每袋净重10kg。Packing：In polyethylene bag with woven plastic sack outer ,10kgs net each. 500)this.style.width=500;" onmousewheel="return bbimg(this)">
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