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Technonicol polymer-bitumen sealant #42

Technonicol polymer-bitumen sealant #42

Application areas

Application areas for TECHNONICOL polymer-bitumen sealant #42:
– Hermetic sealing of insulation joints of concrete and asphalt coverings of airdromes and highways;
– Sealing of cracks of concrete and asphalt coverings of airdromes and highways

Description of material

The polymer-bitumen sealant is a hot-applied material consisting of oil bitmen, modified by synthetic rubber and technological additives. The material has a wide range of operating temperatures, high elasticity and dimensional stability. It is manufactured in three grades for use in various climatic zones: BP-G25, BP-G35, BP-G50.

Method of application

Before application the sealant is warmed up to a working temperature of 160-190° in boiler units designed for melting heating with constant mixing. The sealant surface coverage depends on a kind of performed work.

Storage

Store in a dry place protected against sunlight at a temperature between –20°C and +30°C. Guaranteed storage period — 12 months.

Wide range of working temperatures

High elasticity Absence of shrinkage

Quick selection of properties Longevity of covering



Types of material

    BP-G25

    BP-G35

    BP-G50


Basic physical and mechanical properties

PropertyBP-G25BP-G35BP-G50
Softening temperature, , not less than105 100 95
Bend point on R=20 mm beam, C, no more than-25 -35 -50
Specific elongation when broken, % at 20C, not less than100 100 100
Adhesiveness temperature, , not less than55 50 50
Robustness, number of cycles, not less than35 000 35 000 35 000
Water absorption, %, no more than0,2 0,2 0,2
Aging under UV-radiation over the course of 1,000 h, %, no more than15 15 15