FIELD: manufacture of building materials.
SUBSTANCE: bitumen-rubber mastic suitable for use in roofing materials, for protection metallic, concrete, and other bases as well as for sealing seams in road building is composed of, wt %: petroleum bitumen 59.0-80.5; bromobutyl rubber or butadiene rubber, or butyl rubber, or low-molecular weight polyethylene 6.0-15.0; rapeseed oil or C20-C26-olrfin fraction or propylene trimer and tetramer production waste 8.0-15.0; sulfur 0.5-1.0; dolomite powder or mining concentrating plant pellets 5.0-10.0.
EFFECT: improved qualitative characteristics of mastic.
2 tbl
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Authors
Dates
2006-10-10—Published
2005-08-08—Filed