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	1.53-1.99
Real density	3.90

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