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Fused Silica Flour

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Chem&Size Minerals Limited
[China]

Address
Haikeyinzhou, Haitang Bei Lu 89#,Lianyun District Lianyungang Jiangsu
Phone
86-0518-82326257
Contact name
Frank Wang

Quick Information

  • Place of Origin: China
  • Chemical composition : SiO2>99.9%,Fe2O3<30ppm
  • Size: : -100,200,325mesh,600mesh

Description

 Fused silica powder Chemical composition:
SiO2>99.9%,Fe2O3<30ppm,Al2O3<200ppm,Na2O<30ppm,K2O<30ppm
Fused silica powder are available in different size:
-100mesh,-120F mesh,-150L,-200mesh,-325mesh,
-600mesh,-800mesh,-1000mesh,-2000mesh,
 

Laser particle size(D50) 19-21μm 15-17μm 9-11μm 1-3μm


fused silica powder's Typical Physical Properties
Color and particle shape White/ angular
Hardness 7Mohs
True Specific Gravity 2.2g/cm3
Softening poing approx.1650ºC
Melting point approx.1750ºC
Bulk Density 0.9-1.1mt/m3
Dielectric Constant 3.8(1MHz)
Thermal Conductivity 1.3w/m·k
Coefficient of thermal expansion 0.5*10-6

Chem&size Minerals fused silica powder has an near zero thermal expansion coefficient,consistent chemistry and carefully controlled particle size distribution.Fused silica powder are designed for use in refractory,flow control/continuous casting,investment casting,precision casting,lost-wax process,technical thermal ceramic and other special applications.Fused silica powder has very high electrical resitivity and low thermal conductivity,so it used as filler in epoxy molding compounds for semi-conductors and fusion bounded epoxy powder coastings.

Applications Details Product:
to make crucibles that produce solar cells board in the photo-voltaic industry.
Fused silica powder is used to make rollers, castables, mortars, gunning mixtures and forming tools in the glass industry,make technical ceramic in the thermal resistance industry,to make ceramic slurry in investment and to make Acidic acid refractory,Fused silica precast shapes,Fused silica big blocks and fused silica castables.
 
ü  Filler of epoxy molding compound
ü  Filler of epoxy potting compound
ü  Filler of silicon rubber
ü  Filler of functional coating
ü  Filler of fusion bonded epoxy powder coating.
Particle size:
Chem&Size minerals is capable of making powders with different particle size distribution.Particle sizing is controlled using the most up-to-date particle size analyzers.
What the finest powder chem&size minerals can supply is with D50 1-3microns.Other size is as follows:

Package: in Paper bag or plastic woven bag of 25kg net each,then packed on pallet.
in big bag of 1-1.2MT net each


Price

  • Price Condition : FOB
  • Price : USD550 / MT
  • Delivery Port : Lianyungang

Packaging & Delivery

  • Packing :plasitc woven bag,paper bag,pallet
  • Packaging Size : 1 x 1 x 1  Meters
  • Package Weight : 1000  Kilograms
  • Delivery Lead Time : 15days for ready goods
  • Minimum Order : 1MT
  • Supply Ability : 5000mt/year

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