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coke furnace lid of sealing¡¡material of environmental protection type

coke furnace lid of  sealing¡¡material of environmental protection type index£º

item

index

refractoriness ¡æ

1580

chemical composition

Al 2 O 3 £¬ £¥

22

SiO 2 £¬ £¥

40

folding strength

110¡æ after dryness£¬ MPa

5

porosity   £¥

23¡«28

features


Good Plasticity and handling quality; excellent thermochemistry stability; simple disassembly ,the lid easy to open
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