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China, Chinese Fused Silica for High Temperature Heat-Resistant1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Nonmetallic MineralsSandFused SilicaHeat Resistant
LIANYUNGANG KAESHING INTERNATIONAL TRADING CO., LTD.
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Product Description Fused silica sand/grain/powder/flour introudce is as follows:fused silica lumps/grain/sand/powder/flour 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/grain/sand/powder/flour Specifications is as follows: 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 Investment Casting Grade2.1SiO2>99.85%2.2Al2O3<100ppmThe finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball.2.3Fe2O3<60ppm for grains<100ppm for powder2.4CaO<30ppm2.5Na2O<30ppm2.6K2O<30ppm3. Particle Size Distribution Standard 10-2030-5050-100-120-200-325MeshMicrons +82360<2 +1217006-25 +16118033-50 +2085025-45<1 +306001325-40 +40425 32-45 +50300 15-30<13 +70212 30-60 +80180 0-11 <1 +100150 28-51<10<1 +140106 4-167-13<10 +20075 <210-15<10<3+32545 14-2015-304-11Pan <3<2<145-5570-8086-97*Pan designates the percentage of fused silica passing the last reported screen for each size.The follows is the pictures of fused silica lumps/grain/sand/powder/flour:Here is the Package and Delivery of fused silica lumps/grain/sand/powder/flour :Paper bagsPlastic Woven Bag of 25kg Net each,Then on Pallet:Factory and Quality Control Pictures of fused silica lumps/grain/sand/powder/flour:
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