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Class B

 

 

 

Features Increased strength, economic choice for high temperature applications
Kinds B1, B2, B4, B5, B6, B7
種類

B1 ~ B2 : For the hot surface of low temperature furnaces and drying furnace, and for the back-up lining of various industrial furnaces.
B4 ~ B7 : For the hot surface and back-up lining of various industrial furnaces.

Standard

Item B1 B2 B4 B5 B6 B7
Temperature 900 1000 1200 1300 1400 1500
Bulk Density 0.70≧ 0.70≧ 0.80≧ 0.80≧ 0.90≧ 1.00≧
Thermal Conductivity at 600℃ 0.26≧ 0.28≧ 0.37≧ 0.39≧ 0.42≧ 0.50≧

Note: Above standard is subject to change without notice.

Test Results on Samples:

Item  B1 B2 B3  B5 B6 B7
Permanent Linear Change (%) −0.63 (900) −0.80 (1200) −0.28 (1200) −0.25 (1300) −1.03 (1400 −0.86 (1500
Bulk Density 0.65  0.65  0.78 0.78 0.86 0.75
Thermal Conductivity at 600℃ 0.22 0.26 0.33 0.33 0.37 0.41
Cold Crushing Strength(MPa) 3.0 3.2 1.5 1.7 2.4 4.0

Note: Above test results are average results of tests conducted under standard procedures and

subject to variation. Results should not be used for specification purposes.


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