High alumina high strength series refractory castables

Product

High alumina high strength refractory castables

Brand

JC-15

JC-15B

JC-16

JC-16K

Maximum service temperature

1400

1500

1500

1600

Bulk density(kg/m3)

110?榴imes;24h≥

2450

2600

2550

2700

Chemical composition

(%)

Al₂O₃≥

65

75

72

75

SiO₂≤

30

20

25

??

Cold modulus of ruptuer(MPa)

110?榴imes;24h≥

8

10

10

10

1100?榴imes;3h≥

8

10

12

11

Cold crushing strength  (MPa)

110?榴imes;24h≥

80

100

80

100

1100?榴imes;3h≥

80

100

110

100

Linear change after heating(%)

1100?榴imes;3h≤

-0.5

±0.5

-0.5

±0.5

Reference water addition for construction (%)

6~7

6~7

6~7

6~7

Construction method

Vibration

Service area

Back of cooler

Cooler lining

Preheater,decomposition furnace

Furnace door hood,decomposition furnace,cooler lining

Properties

Refractory steel fiber can be added as request and the brands of should be JC-15F??JC-15BF??JC-16K and JCF-16K;Good monolithic property can be achieved.