Hot!!! White Fused Alumina for Refractory

1. High Bulk Density;   2. Barmac Grains;  3. High Purity Alumina;   4. Enjoy a good reputation;  5. Reliable supplies. White Fused Alumina White fused alumina is fused by alumina powder by electric arc furnace under high temperature. It has white color and little higher hardness and lower toughness comparing with brown fused alumina. The micro hardness of the product is 2200-2300kg/mm2. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characterized by its high purity, acid and alkali resistance, good thermal stability. It’s the high grade refractory materials. Purpose Specification Chemical Composition% Al2O3 Na2O SiO2 CaO For Abrasives F 12#—80# =99.0 =0.5 — =0.4 90#—150# =98.5 =0.6 180#—240# =98.2 =0.7 — =0.4 W 1#-63# =97.5 =0.8 =1.0 =0.5 Refractory - 0-1mm1-3mm3-5mm5-8mm8-12mm =99.0 =0.5 — =0.4 Micro-powder 180#—0200#-0320#-0 =98.5   =0.3 =0.5  Physical Performance Index Item Index Color White Crystal shape Trigonal Hardness(mohs) =9.0 Melting Point (?) 2250 True density (g/cm3) =3. 90 Linear Expansion Coefficient(0—1600?) 7—9 Notes: 1) If you have special requirement for the specifications, please donn't hesitate to contact us. Usually, our skills and equipments are able to meet your special requirement; 2) A wide range of sizes is available as per customer's request. 3)Besides BFA, WFA, sintered mullite and fused mullite, we also manufacture and export other refractory and abrasives materials, such as dense corundum, tabular corundum, magnesia alumina spinel and a wide range of refractory bricks. We are always ready to welcome friends home and abroad to visit our factory.