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MEMBRANE

POLYMER MODIFIED BITUMENT WATERPROOF MEMBRANE FOR RAILWAY&BRIDGE

      Specifications:
      Implementation standards:
  • TB/T2965-2011
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Product Description
Polymer modified bitument waterproof membrane for railway&bridge is developed in order to satifsfy the high strength and dynamic loading environment,with long fiber polyester tire base felt,SBS as modifier,supplemented by various auxiliary modifier which is combined with the function of increase bonding performance.The cover material is modified bitumen,both sides covered with fine sand as isolation materials,and then composite with scientific bias-base design.

Product features
1.With the design of “bias-base” and double side fine sand,the bonding problem between different layers of pavement is well solved;
2.Can be strongly bonding with concrete,no bubble caused,good water permeability;
3.The membrance has a strong tensile strength in vertical or horizontal direction,high elongation rate,good resistance to high temperature,anti-rabbing breaking ability to with stand repeated grind&puncture of equipment in the prime construction period,and also well withstand the repeated action of the car driving.
4.Endurable at cold environment,resistance to alkali and salt,rreezing thawing action,anti aging and anti fatigue,anti crack deformation ability etc;
5.The construction performence is good,adpot hot melt method construction,the operation is convenient,save time,can effectively ensure the normal survice life of railway bridge.

Specification
Product name:polymer modified bitument waterproof membrane for railway & bridge
Size: 4.5*10
Implemented standard: TB/T2965-2011

Where to use
Mainly used for high-speed railway, highway and other projects.

DATE BASE IMPLEMENTED STANDARD: TB/T2965-2011
ItemIndex
Soluble content(g/m2) ≥Thickness  4.5mm,≥3100
Heat resistance115℃,no flow or drippage
Tension of maximum peak rate(vertical & horizontal )(N / cm)≥210
Elongation of maximum peak rate(vertical & horizontal )(%)≥50
Stretching phenomenon450
Low temperature flexibility -30℃,No flaw
Water tightness,0.4 MPa,2hno leakage
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