Tunnel Waterproofing HDPE Membrane

Tunnel Waterproofing HDPE Membrane

1. Product description Tunnel Waterproofing HDPE Membrane(DYP-819) is a widely used waterproof membrane that using ethylene, vinyl acetate co-polymer/polyethylene as main material, mixing in other modification additives. Its anti-aging and high durability make it specially adaptable for tunnel...

Product Details

 Tunnel Waterproofing HDPE Membrane

1.Product description

Tunnel  Waterproofing HDPE Membrane(DYP-819) is a widely used waterproof membrane that  using ethylene, vinyl acetate co-polymer/polyethylene as main material, mixing in  other modification additives. Its  anti-aging and high durability make it specially adaptable for tunnel  waterproofing engineering.

 

2. Product  advantages & standard

  • High  tensile strength

  • High  elongation and  resistance to cracking or rupture.

  • low  cold-bending rate;

  • Rarely affected by environment  temperature changes.

  • Convenient construction, soft and flexible property to well  bond with the substrate surface.

  • Anti-mildew  and acid & alkali corrosion,

  • Specially suitable for hot  gas welding , seamless and  tightly bond after welding,  

  • No  volatile solvent, no toxic  gases, no pollution to the environment.

 

Executive standard: GB18173.12012 Polymeric Waterproof Materials Section I: Sheet

Item

Index(JS2)

Tensile strength /Mpa

23℃  ≥

16

60℃  ≥

6

Elongation at break /%

23℃  ≥

550

60℃  ≥

350

Tear Strength/(kN/m)  ≥

60

Watertightness/30min

0.3Mpa, no leakage

 Cold bending

-35℃, no crack

Heat-treatment size change /mm

Extend  ≤

2

Shrinkage  ≤

6

Lap-joint peeling strength

Standard /N/mm  ≥

1.5

Retention rate after water    soaking             (23℃*168h)  /%  ≥

70



3. Product Specification

Thickness(mm): 0.7/0.8/1.0/1.2/1.5/2.0
 Width: 1~4m
 Length: 20-30m or customized.


4.Application scope

  • Tunnel, metro or other  underground waterproofing engineering;

  • River,Lack ,pond and tank liner  waterproofing;

  • Swimming pool, drinking pool,  or reservoir waterproofing;

  • chemical plant, oil refinery,  gas storage tank, chemical reaction pool lining,

  • Building roofing waterproofing;

 

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5.Packing &  Storage

  •  Keep  the packaging complete  and without damage, store product in ventilated, dry  place,

  • stack  height should not exceed 5 roll layers.

  • Avoid  direct sunlight, acid, alkali, oil & organic solvent contact, and be away from  heat source.

  •  Storage  period is one year under  normal storage & transportation  condition 

   

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