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Refractory cement CA 80

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Product Description

Refractory cement 

Items

CA-80E

CA-85G

CA-80A

Refractoriness ℃

1780-1820

Chemical composition %

Al2O3 min

77

CaO max

20

SiO2 max

0.5

Fe2O3 max

0.5

Na2O+K2O max

0.4

S max

0.1

Specific density g/cm3

3.2-3.3

3.2-3.3

3.2-3.3

Specific surface area m2/kg min

650

650

650

Initial setting time minutes min

30

30

30

Final setting time minutes max

360

360

360

Rupture strength Mpa


6 hr

3.0

-

-

24 hr

4.5

4.0

4.5

72 hr

5.5

5.0

5.5

Cold crushing strength Mpa


6 hr

10

-

-

24 hr

30

25

30

72 hr

40

30

40

Castable performance

Corundum

castable

Low cement castable

Corundum

castable

Low cement castable

Corundum

castable

Low cement castable

Water addition %

5.2

6.8

5.2

6.8

5.2

6.8

Flow value mm


Initial flow value

200

180

207

180

217

159

30 minutes

185

176

190

171

195

150

60 minutes

177

166

180

164

190

151

Cold crushing strength Mpa


24 hr room temperature

15

15

14

15

14

15

110℃ dry 24hr

71

86

76

102

67

70

1100℃ heating 6 hr

51

119

55

118

47

118


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Zhengzhou Kaiyuan Refractories Co.,Ltd

 Plant add: Yingbin street, Ludian,Dengfeng,Henan,China
  +86-371-53688552
   +86-371-53688078
 +86-13592427095 ( WhatsApp/Wechat )
  sales@kaiyuanref.com    
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