TECHNONICOL polymer-bitumen sealant No. 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°С 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

Specifications

Property   BP-G25 BP-G35 BP-G50
Softening temperature, °С, not less than   105  100  95 
Bend point on R=20 mm beam, °C, no more than   -25  -35  -50 
Specific elongation when broken, % at –20°C, not less than   100  100  100 
Adhesiveness temperature, °С, not less than   55  50  50 
Robustness, number of cycles, not less than   35 000  35 000  35 000 
Water absorption, %, no more than   0,2  0,2  0,2 
Aging under UV-radiation over the course of 1,000 h, %, no more than   15  15  15 

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