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quality custom precast shape kiln blocks for sale

Categories Refractory Brick
Place of Origin: china
Brand Name: ZG
Certification: MSDS
Model Number: GL-80
MOQ: 100PCS
Price: $1-5
Packaging Details: wooden pallets with plastic film
Delivery Time: Within 5-10 working days
Payment Terms: T/T ,Paypal
Supply Ability: 10000000T
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quality custom precast shape kiln blocks for sale

High alumina firebrick

High alumina firebrick is one of neutral refractory materials ,was made by bauxite and other high oxide raw materials. Because its high thermal stability ,Good slag resistance .and refractoriness above 1770℃.Normally use for lining of steel melting furnace ,glass melting furnace ,cement rotary kiln …


Features:

· High impact bearing capacity

· Superior strength

· Durable finish standards

· Withstand high temperature


High Alumina Firebrick Technical Parameter

Items

Technical Specifications

GL-80

GL-75

GL-65

GL-55

GL-48

AL2O3 %≥

82

75

65

55

45

Fe203 % <

2.0

2.5

2.5

2.6

2.0

Density g/cm3

2.6

2.5

2.4

2.3

2.2

Cold crushing strength MPa >

80

70

60

50

50

Refractoriness under load 0.2Mpa ℃

1550

1510

1460

1420

1420

Refractoriness ℃ >

1790

1790

1770

1770

1770

Porosity % <

21

22

23

24

24

Linear change %

-0.2

-0.3

-0.4

-0.4

-0.4


Packaging & Delivery

Packaging Detail: wooden pallets with plastic film. Each 20ft container as customer requirement

Delivery Detail: within 15 to 20days

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