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China Fused Silica Replace Zircon in Investment Casting pictures & photos

China Fused Silica Replace Zircon in Investment Casting

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Min. Order / Reference FOB Price
1 Tons	US $550.00/ Tons

Local Area:	Jian, Jiangxi, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, PayPal

Application:	Rubber, Chemical, Metallurgy, Ceramic, Casting, Glass, Powder Coating
Type:	Fused Silica Powder
Sio2:	>99.85%

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Product Description

Investment Casting Grade Fused Silica Specifications:

1.Physical Properties1.1CompositionSiO21.2StructureAmorphous1.3ColourTransparent or white1.4Melting Temperature approx.1750ºC1.5Specific Gravity2.21g/cm31.6Hardness 7 Mohs1.7Thermal Expansion 0.5*10-6
2.
Chemical PropertiesInvestment 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<30ppm

3.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+3254514-2015-304-11Pan <3<2<145-5570-8086-97

*Pan designates the percentage of fused silica passing the last reported screen for each size.
Fused Silica Pictures:
Package and Delivery:
Paper bags

Plastic Woven Bag of 25kg Net each,Then on Pallet:

Factory and Quality Control Pictures: