Polymile™ ST waterproofing membrane

Scope of application

Roofing, basement, water conservancy engineering, rail transit engineering, grain storage, swimming pool, pool and other waterproof and moisture-proof projects of various industrial and civil buildings.

Product specifications

Model Thickness（mm） Wide（m) Length（m） Lap edges

H（Homogenization）

L（With fiber backing）

P（Fabric in-reinforce）

G（Glass fiber inner reinforcement）

GL（Fiberglass inner reinforced with fiber backing）

1.2、1.5

1.8、2.0

 2 20 Weld

Product features

1. Strong weather resistance, high elongation, small change in heat treatment size;

2. Good low-temperature flexibility, good adaptability to environmental temperature difference;

3. Simple construction, lap edge can be welded, high welding strength, no pollution;

4. Chemical corrosion resistance, suitable for special occasions;

5. It has good plasticity and convenient detailed processing.

Technical indicators

Executive standard: GB12952-2011 "Polyvinyl chloride (PVC) waterproofing membrane"

Project Index
H L P G GL

The thickness of the resin layer on the intermediate tire base/mm ≥

 - - 0.40 0.40 0.40
Tensile properties Maximum pull/ (N/cm) ≥ - 12.0 250 - 120
Tensile strength/MPa ≥ 10.0 - - 10.0 -
Elongation at maximum pull/% ≥ - - 15 - -
Elongation at break/% ≥ 200 150 - 200 100
Rate of change in heat treatment size/% ≤ -25°C without cracks
Low temperature bending 2500
Artificial climate accelerates aging Time/h 2500
Appearance No blistering, cracks, delamination, bonding and holes
Maximum pull retention/% ≥ - 85 85 - 85
Tensile strength retention/% ≥ 85 - - 85 -
Elongation retention at maximum pull/% ≥ - - 80 - -
Elongation at break retention/% ≥ 80 80 - 80 80
Low temperature bending -20°C without cracks