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 REFRACTORY PRODUCTS

Silica Mortar
Fireclay
Silica Brick
Gunning Refractory

 

Fireclay mortar for coke furnace

Complying with the national standard of GB/T14982-94, we produce 5 types of fireclay ( thereinto NN-458 is made of phosphate and clay), those can be used to bind clay bricks.

MARK

NN-30

NN-38

NN-42

NN-45A

NN-45B

Refractoriness

1630

1690

1710

1730

1730

(Al2O3)/%≥

30

38

42

45

45

Binding bend Strength at coldMpa

110 after drying≥

1.0

1.0

1.0

1.0

2.0

1200,3h after burning ≥

3.0

3.0

3.0

3.0

6.0

0.2MPa refractoriness under load ,T2.0≥

-

1200

Line change rate %

1200,3h after burning

+1-3

-

1300,3h after burning

-

+1-5

Setting time, min

1-3

Granularity %

-1.0mm

100

+0.5mm≤

2

-0.074mm≥

50

 
 
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