Brown Fused Alumina

Brown Fused Alumina

1.Name: Brown Fused Alumina
2.Material: Alumina
3.Packing: Ton bag
4.Application: Refractory
5.Certificate: ISO quality system, SGS, BV
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Description

Technical Parameters

Product description 

Brown Fused Alumina is also called Brown Corundum, it is fused and crystallized under high temperature from a mixture of bauxite and other and other raw materials. It is characterized by its high hardness,good toughness and shape in size. 

Abrasives tools made of it are suitable for grinding metals of high-tensile strength such as: carbon steel,general-purpose alloy steel,annealed malleable iron and hard broze,etc.It also can be used as refractory materials.

The structure of particularly dense, high strength castables containing only a small amount of moisture, are formed, using special binder, following the theory of dispersion, peptization and coagulation of closely composed high strength castables. this product which is minimizing alumina cement for using various dispersants and ultra fine powder so it has excellent abrasion resistance, erosion resistance, spalling resistance and chemical resistance . It widely used in part of various industrial furnace including incinerator, nonferrous metal furnace etc..


Product Specification

Chemical Index

Al2O3

SiO2

Fe2O3

TiO2

CaO

95%min.

1.0% max.

0.3% max.

2.0%-3.0%

0.45% Max.

Physical Index

Color

Crystal Form

True Specific Gravity

Vickers Hardness

Melting point

Brown

Trigonal Crystal

3.97g/cm3

2100kg /mm2

2000℃

Sizes-Grit & Bulk Density (g/cm3)

F12#   1.93-1.99

F14#   1.92-1.98

F16#  1.91-1.97

F20#  1.90-1.96

F22# 1.89-1.95

F24#   1.88-1.94

F30#   1.87-1.93

F36#  1.85-1.91

F40#  1.84-1.90

F46# 1.83-1.89

F54#   1.82-1.88

F60#    1.81-1.86

F70#   1.80-1.84

F80#  1.79-1.82

F90#  1.77-1.80

F100#  1.75-1.78

F120#  1.73-1.76

F150#  1.70-1.74

F180# 1.69-1.73

F220# 1.68-1.72

Sizes-Section sand

0-1mm

1-3mm

3-5mm

5-8mm

0-25mm

200mesh

325mesh

Special sizes can be customized as per clients' requirements


Features Of Castable Refractory

  • High refractoriness, High refractoriness under load

  • High density, low porosity

  • Good slag resistance and corrosion resistance

  • High strength and wear resistance

  • Good resistance to flake performance

  • Good thermal shock stability

  • Scouring resistance

  • Good hot strength


Applications Of Castable Refractory

Mainly used in heat treatment furnace,heating furnace,soaking pit furnace,tundish slag dam weir,seconclary refining and the catalytic cracking unit etc key part of kiln furnace and thermal equipment.

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Product Quality Certification

 Factory Show

Package

1

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