Polymer – bitumen binder (PBW)

Polymer – bitumen binder (PBW)

35,800.00 $ Price per tonn

  • Description
  • Questions & Answers

Description

Polymer – bitumen binder (PBW) is used in the construction of roads in order to prevent the formation of rut and impart a crack resistance to the roadway. Of particular relevance is the use of WSP in the construction of high-loaded highways, aerodrome bands, as well as bridges and tunnels. The use of polymer-bitumen binder also gives corrosion resistance. The service life of the road surface with the use of PBW is more than 2 times longer than the life of pavements constructed using standard road bitumen.

Several modifications of the WSP are available depending on the climatic zone. So, for northern regions PBV-300 is used with a temperature of embrittlement of 40 degrees and heat resistance (softening temperature by a ring and a ball) of 45 degrees. And for southern regions, it is important to use PBW 40, where the brittle temperature is -15 degrees, and the heat resistance is 56 degrees.

The name of indicators Norms for brands Test methods
PBV 300 PBV 200 PBV 130 PBV 90 PBV 60 PBV 40
The penetration depth of the needle, 0.1 mm, not less than:
at 25ºС 300 200 130 90 60 40 GOST 11501-78
at 0ºС 90 70 50 40 32 25 GOST 11501-78
Softening point on the ring and ball, ºС, not lower than 45 47 49 51 54 56 GOST 11506-73
Extensibility, cm, not less than:
at 25ºС 30 30 30 30 25 15 GOST 11505-75
at 0ºС 25 25 20 15 11 8 GOST 11505-75
Temperature of brittleness, ºС, not higher -40 -35 -30 -25 -20 -15 GOST 11501-78
Elasticity,%, not less than:
at 25ºС 85 85 85 85 80 80 п.7.2.2 GOST 21.810-98
at 0ºС 75 75 75 75 70 70 п.6.2 GOST 52056-2003
Change in softening temperature after warming up, ºС no more than 7 7 6 6 5 5 GOST 18180-72
GOST 11506-73 с доп. по п.3.3
Flash point, ºС, not lower than 220 220 220 220 230 230 GOST 4333-87
Coupling with marble or sand Withstands the control sample number 2 GOST 11508-74 (метод А)
Uniformity Uniformly п.7.2.1 GOST 21.810-98
п.6.1 GOST 52056-2003

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