DR 02458 CP
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Refractory bricks and shapes Part 4: Silica
10-26-2017
11-26-2003
Proposes requirements for refractory bricks and shapes having a maximum free quartz content of 5 percent by mass and produced essentially from silcrete, quartzite and ganister.
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