Brown Fused Alumina 1) High Al2O3 Content: 95%min 2) Professional manufacture 3) Hot sale overseas 4) Pass ISO9001:2000

Brown Fused Alumina

1. Introduction

Brown fused alumina is made by high-quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200°c, and made into different grain size through crystal, choosing, crashing, magnetic, separating, screening, washing and acid washing, etc.

2. Specification

F: 4#-80#       90#-150#       180#-240#

P: 8#-80#       100#-150#     180#-220#

W: 1#-63#

Attention:

F: for the consolidation abrasive and sand blasting

P: for coated abrasives

W: for the powder  eg: W40, that is 320#

0-1mm   1-3mm     3-5mm     5-8mm     8-12mm

25-0mm     10-0mm    50-0mm    30-0mm

180mesh-0    200mesh-0    320mesh-0

3. Application

1) Abrasive: Produce ceramic gring wheel, resinoid gringding wheel, Grinding stone, Gringing block, sand paper, sand cloth, sand belt, polish wax, abrasive paste, coating etc..

2) Refractory material: Mainly used for abrasion and high temperature resiatant, inoxidizable aggregate and filling of shaped and monolithic refractory in steel metallurgy, various industrial stoves, electric furnace etc..

3) Sandblasting abrasive: Mainly used for various material workpieces to decontaminate, derusting, prevent corrosion, remove oxide skin etc..

4) Abrasion resistance ground: Mainly used for non-slip of airport and road, chenmical factory

board paving.

5) Precision casting: Investment casting technics of stainless steel and aluminium casting in coating.

item	95	96	97
Al2O3	≥95%	≥96%	≥97%
SiO2	≤1.2%	≤1.0%	≤0.8%
TiO2	≤3.2%	≤3.0%	≤2.0%
Fe2O3	≤0.3%	≤0.2%	≤0.2%
CaO+ MgO	≤0.6%	≤0.5%	≤0.4%
Real demsity	≥3.9 g/cm3
Moh's hardness	9.0
Microhardness	2000-2200KG/MM2
Clarseness	8-5MM   5-3MM   3-1MM   1-0MM
	16# 24# 30# 36# 46# 60# 70# 80# 90# 100# 120#
Fines	180F   200F   240F   325F (Fe2O3 ≤0.50%)

       

     

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