FIELD: construction.
SUBSTANCE: sealant has temperature of treatment in the range from more than 70°C to 220°C, includes the following components, wt %: butyl rubber or polyisobutyl rubber - 5-65, pigment - 10-70, glueing activator - 0.25-2.5, plasticiser - 0-30, resin increasing stickiness - 10-40. Shell around specified composition of sealant is made of thermoplastic polymer material and makes not more than 10 wt % of overall mass of sealant, and specified polymer material has minimum temperature of film formation of at least 50°C and temperature of softening, which is less than working temperature for application of specified composition of sealant for the value of more than 10°C.
EFFECT: proposed briquetted product is ecologically compatible and at the same time preserves proper short-term and long-term properties.
12 cl, 3 ex
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