High Quality And High Purity Brown Fused Alumina P320

Characteristics 1. high purity 2. crystallization is good. 3. Strong liquidity 4. Low coefficient of linear expansion 5. corrosion resistance 6. high temperature resistance 7. high strength Production process Brown fused alumina is made of bauxite/anthracite coal, and melted in electric-arc furnace of high temperature more than 2000 degrees. Application 1. Sand blasting for aluminum profile/Copper material/Glass/Washed jeans/precise mould 2. Grinding for kinescope/glass/mono crystalline silicon/ lens/jade ware 3. Abrasion-proof material for expressway/airstrip/dock/parking lot/stadium 4. Bonded abrasives and Coated abrasives 5. Surface preparation and finishing 6. Thermal Spraying(Plasma Spraying) 7. Super Refractory, Ceramics and Tiles 8. Lapping &Micro-blasting applications.   Main Physical Properties COLOR BROWN MOSH HARDNESS ≥8.9 MELTING POINT 2250℃ THE MAXIMUM TEMPERATURE 1900℃ SPECIFIC GRAVITY 3.95 BULK DENSITY 1.53-1.99g/cm³ REAL DENSITY ≥3.90g/cm³ Chemical Composition   Sectional sands Fines Grains Micro powder Al2O3 ≥95% ≤92% ≤95% ≤92% SiO2 ≥1.5% ≤2% ≤1.5% ≤2% Fe2O3 ≥0.5% ≤0.55% ≤0.5% ≤2% TiO2 ≥3% ≤3.3% ≤3% ≤4%   Size Sectional sands 0-1mm 1-3mm 3-5mm 5-8mm Fines 200#-0 320/325-0 Grains （F/P sand） 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# Micro powder W---W63 W50 W40 W28 W20 W14 W10 W7 GB---240# 280# 320# 400# 500# 600# 800# 1000# JIS--- #240 #280 #320 #360 #400 #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 FEPA---F23 F240 F280 F320 F360 F400 F500 F600 F800