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Refractories for Industrial Furnace

  • Heating Furnace Castable
  • Heating Furnace Castable
  • Heating Furnace Castable
Heating Furnace CastableHeating Furnace CastableHeating Furnace Castable

Heating Furnace Castable

  • Product description: The castables, characterized by qualified flint clay, superfine aluminuma, fused alumina, sintered mullite, etc material and combined with micro mist, several additive.
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The castables, characterized by qualified flint clay, superfine aluminuma, fused alumina, sintered mullite, etc material and combined with micro mist, several additive.


Its main character is good volume stability, good thermal shock resistance and high strength, widely used for heating furnace’s roof and wall of various types of steel rolling by casting.


Physical and Chemical Indexes

项目 Item

加热炉工作衬用耐火浇注料

Refractory Castables for working lining of Heating furnace

ZJ-42

ZJ-60

ZJ-65

ZJ-65

ZJ-70

Al2O3 ≥

42

60

65

65

70

体积密度 g/cm3

Bulk Density

(110x24h)

(烘干后 after drying)

2.15

2.30

2.40

2.40

2.45

常温抗折强度 MPa ≥

Cold modulus of rupture

(110x24h)

(烘干后 after drying)

4

5

6

6

7

常温耐压强度 MPa ≥

Cold Crushing Strength

(110x24h)

(烘干后 after drying)

25

30

35

35

40

实验温度 x 3h烧后

Test temperature x 3h

40

(1300)

45

(1300)

55

(1300)

55

(1300)

55

(1300)

加热线变化(实验温度x3h)%

Linear change on reheating(test temperature x3h)

-0.5~+0.5

(1300)

-0.5~+0.5

(1350)

0~+1.0

(1400)

0~+0.8

(1400)

0~+1.0

(1450)

最高使用温度 Max service temperature

1300

1350

1400

1400

1450