Fireclay refractory mortars

Jun 01, 2023

粘土质耐火泥浆

项目
item

NN-30

NN-38

NN-42

NN-45A

NN-45B

耐火度 ℃                    不低于
Refractoriness               min

1630

1690

1710

1730

1730

Al2O3, %                     不小于
                            Min

30

38

42

45

15

冷态抗折强度，mpa不小于

C CS              min

110℃干燥后
Drying

1.0

1.0

1.0

1.0

2.0

1200℃x3h
Drying

3.0

3.0

3.0

3.0

6.0

荷重软化温度2.0%             不低于
RUL                           min

1200

 
线变化率，%
P.L.C.

1200℃x3h烧后
Buring

1—-3

1300℃x3h烧后
Buring

1—-5

粘结时间 ，min
Joint time

1-3

粒度 %
Size

-1..0mm

100

0.5mm      不大于
           Max

2

-0.074m    不小于
           min

50

Note: A is ordinary clay refractory slurry, B for phosphate combined with clay refractory mortar




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