FIELD: manufacture of building materials. SUBSTANCE: composition contains filler in the form of wood fibers and, additionally, magnesium phosphate or alumino-boron-phosphate concentrate, or orthophosphoric or sulfuric acid in specified proportions. EFFECT: improved strength characteristics and reduced cost price. 2 tbl, 5 ex
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Authors
Dates
2002-08-10—Published
2001-03-22—Filed