High Temperature Phosphate High Aluminum Brick Refractory Insulating Firebrick

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High Temperature Phosphate High Aluminum Refractory Brick For Rotary Cement Kiln

 

 

Description:
 

High Strength Alkali-resistant Brick
 
 
Feature:
 
1. bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength

 
 
Product specification:

 

Adding phosphate acid to ordinary high alumina bricks, through high-pressure molded and high temperature sintered form the product.

phosphate high aluminum brick refractory has good temperature strength and volume stability, excellent slag corrosion resistance, high mechanical strength.  the phosphate bonded high alumina bricks are mainly used for preheating zone, high temperature zone and tuyere zone of rotary kiln and vertical kiln in cement industry,  as well as chemical industry, power industry and boiler industry.

 

Applications:
 
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
 
 
Specifications:
 

High aluminum refractory bricks physiochemical index

 

 

Items

 

Index

P-80

PA-80

PA-85

Al2O3 %

≥75

≥77

≥85

Fe2O3 %

≤2.1

≤2.1

≤2.0

CaO %

≤0.6

≤0.6

≤0.6

Refractoriness °C

≥1770

≥1770

≥1790

BD g/cm³

≥2.65

≥2.70

≥2.80

CCS MPa

≥60

≥64

≥110

RUL °C

≥1350

≥1300

≥1350

Uses

High temperature zone of rotary cement kiln

Heavily worn parts of rotary cement kiln

 High Temperature Phosphate High Aluminum Brick Refractory Insulating Firebrick