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China, Chinese Fused Silica Lumps for Making Fused Silica Sand or Powder1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Nonmetallic MineralsQuartzFused SilicaFused Silica Lumps
LIANYUNGANG KAESHING INTERNATIONAL TRADING CO., LTD.
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Product Description Fused silica lumps/cullet Grade A introudce is as follows:Fused Silica is made of high purity crystal silica from China Donghai-Xinyi by electrically fusing (fusing temperature 1800-2000oC) to amorphous Silicon dioxide, then is specially engineered into lumps,cullet, ingots, sand,grain,granular and powder flour form designed for making PV fused silica crucible,thermal ceramic,refractory,EMC investment casting ceramic shell etc.Fused Silica lumps/cullet Grade A XRD Report:Grade A Fused Silica lumps/cullet Specifications: 1.Physical Properties1.1CompositionSiO21.2StructureAmorphous1.3ColourTransparent or white1.4Melting Temperature approx.1750oC1.5Specific Gravity2.21g/cm31.6Hardness 7 Mohs1.7Thermal Expansion 0.5*10-62.Chemical Properties Grade A 30-50mm2.1SiO2>99.9%2.2Al2O3<100ppmThe finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball.2.3Fe2O3<30ppm for grains2.4CaO<15ppm2.5Na2O<15ppm2.6K2O<15ppm*Pan designates the percentage of fused silica passing the last reported screen for each size.Fused Silica lumps/cullet Pictures:Fused silica lumps/cullet Grade A Package is in double layers jumbo bag of 1-1.2mt net each,then on pallet:Double layers jumbo bags:Plastic Woven Bag of 25kg Net each,Then on Pallet:Factory and Quality Control Pictures:
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