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clunch fireclay for coke furnace
 

item 

index

NN-38

refractoriness ¡æ >=

1690

Al 2 O 3 £¬£¥ >= 

38

cold folding and cohesional strength MPa

110¡æafter dryness£¬ ¡¡>=

1.0

1200¡æ¡Á3h  after burning£¬¡¡>=

3.0

0.2MPa refractoriness under load ¡æ£¬T 2.0 ¡¡>=

¨D¨D

linear change rate

£¥

1200¡æ¡Á3h after burning 

£« 1¡«£­3

1300¡æ¡Á3h after burning 

¨D¨D

felt time   min

1¡«3

size   £¥

£­ 1.0mm

100

£« 0.5mm

2

£­ 0.074mm

50

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