C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
6/223, 6/226
C09K 3/10 (2006.01)
Patent
CA 1255854
6530-387 ABSTRACT OF THE DISCLOSURE An improved method of sealing coke oven doors and the like which utilizes as the sealant sodium silicate, the improvement which comprises using as the sodium silicate the following composition: Soft Water 2 - 4% Sodium Hydroxide 3 - 6% Sodium Borate 1 - 4% X 4 - 8% Sodium Silicate 80 - 90% wherein X is a freezing point depressant from the group consisting of alkali metal formates, inorganic phosphates, water-soluble hydroxy carboxylic acids, mannitol and methanol.
487307
Alchem Inc.
Smart & Biggar
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