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SGS Test Approved Stable Good Quality Fused Silica for Refractory, Ceramic, Investment Casting, Ramming Mass1
Refractory MaterialCeramicInvestment CastingRamming MassFused SilicaFused Silica Grains
LIANYUNGANG KAESHING INTERNATIONAL TRADING CO., LTD.
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Product Description We'd like to send free samples of fused silica sand,fused silica powder for Purpose of test,Research and Development.SGS Report:Grade A Fused Silica grain and fused silica flour 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 Plus2.1SiO2>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 grains<60ppm for powder2.4CaO<15ppm2.5Na2O<15ppm2.6K2O<15ppm3. 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.Fused Silica Pictures:Fused silica grit Grade A Plus Package and Delivery:Paper bagsPlastic Woven Bag of 25kg Net each,Then on Pallet:Factory and Quality Control Pictures:
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