Rapidly curing compositions for metallurgi - cal processes
Rapidly setting composition for trough cladding and tap-hole plugs with a long storage life made by mixing about 7 parts of powdered novolak (softening range 90-110 degrees C) with about 3 parts hexamethylenetetramine and about 90 pts. of a distillation residue containing large amounts of phenolics...
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Zusammenfassung: | Rapidly setting composition for trough cladding and tap-hole plugs with a long storage life made by mixing about 7 parts of powdered novolak (softening range 90-110 degrees C) with about 3 parts hexamethylenetetramine and about 90 pts. of a distillation residue containing large amounts of phenolics (phenol tar, lignite tar, etc.) to form the binder for the stone meal and other components. |
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