Silicon carbon based crusting resistant series refractory castables

Product

Silicon carbon based crusting resistant refractory castables

Brand

JC-50S

JC-60S

JC-GC13

JC-GC13H

Maximum service temperature

1300

1400

1300

1400

Bulk density (kg/m3)

110?榴imes;24h≥

2300

2400

2400

2500

Chemical composition(%)

SiC≥

48

58

(SiC+SiO₂)       40~60

(SiC+SiO₂)       55

Al₂O₃

20-30

?M

?M

?M

SiO₂

13-25

?M

?M

?M

Cold modulus of ruptuer(MPa)

110?榴imes;24h≥

10

12

8

11

1100?榴imes;3h≥

12

12

9

12

Cold crushing strength(MPa)

110?榴imes;24h≥

80

100

70

80

1100?榴imes;3h≥

100

110

80

100

Linear change after heating (%)

1100?榴imes;3h≤

±0.5

±0.3

±0.4

±0.4

Reference water addition for construction (%)

6~7

5~6

6~7

5~6

Construction method

Vibration

Service area

Easy-crusting areas such as C4-C5 stage preheater,and lower cone of decomposing furnace and pipes,discharge slope,ascend flue,etc.

Properties

1??Crusting can be reduced significantly and is easy to clear                           

2??Alkali resistant,abrasion resistant and blocking resistant