High alumina quick dry explosion-proof series refractory castables

Product

High alumina quick dry explosion-proof series refractory castables

Brand

JC-DAB₂

JC-DAB₁

JC-DAB

Maximum service temperature

1500

1550

1600

Bulk density(kg/m3)

110?榴imes;24h≥

2550

2700

2700

Chemical composition(%)

Al₂O₃≥

70

75

75

SiO₂+SiC≥

?M

?M

80

Cold modulus of ruptuer (MPa)

110?榴imes;24h≥

10

12

12

1100?榴imes;3h≥

12

12

12

Cold crushing strength(MPa)

110?榴imes;24h≥

100

100

110

1100?榴imes;3h≥

100

120

130

Linear change after heating(%)

1100?榴imes;3h≤

-0.3

-0.3

-0.3

1350?榴imes;3h≤

?M

-0.5

-0.5

Reference water addition for construction(%)

6~7

6~7

6~7

Construction method

Vibration

Service area

Side wall of furnace door hood,cooler

Properties

1??High early stage strength;short period of curing,demoulding and baking;explosion-resistant                                                 2??Refractory steel fiber can be added as request and the brands of should be JC-DAB2F,JC-DAB1F,and JC-DABF;better thermal shock resistance can be achieved.