Fused silica powder

Using the excellent fused silica stone manufactured by our plant, according to different usage, we can manufacture granular form fused silica sand (powder) of different specifications by machinery processing purify and classification. The special features of this product: consistent chemistry, excellent thermal shock resistance, hard wearing, low thermal expansion, high purity, low thermal conductivity, low electrical conductivity and many other excellencies.

　　 Main Applications:
　　 Repfractory&Ceramic materials Investment Casting,shell mould product. EMC (Epoxy compound) Filler. Paint Others

　　Chemical Composition:
　　 SiO₂ 99.9-99.95%／Fe₂O₃：10PPM-25PPM /　LiO：1-2PPM /　Al₂O₃ ：20-30PPM
/　K₂O：20-25PPM ／　Na₂O ：10-20PPM

　　 Physical Properties:
Appearance:Tansparent schollen, Granules or White Powder
Specific Gravity: 2.21 　Hardness (Mohs): 7.0 　　PH:6.0

　　 Size Available:( schollen, granules and powder)
A． 8-5mm, 5-3mm, 3-1mm, 1-0.5mm, 0-0.5mm, 0.5-0.1mm, 0.2-0.1mm。in accordance with customer’s request
B. -4+10mesh, -10+20mesh, -20+50mesh, -30+50mesh, -50+100mesh, -120F, -200F, -325F, -400F, -600F. in accordance with customer’s request If you want more information about our products and to suggest your demand , please contact with us.