1.2mm/1.5mm/2mm TPO waterproof membrane

         Specification

   H

   L

   P

   G

GL

The resin thickness of Middle fabric, mm≥

—

           0.40

Maximum tension,N/cm ≥

—

200

250

—

200

Tension strength,Mpa≥

12

12

Maximum tension elongation,%≥

15

Fracture elongation,%≥

500

250

400

200

Heat treatment size change rate %≤

2.0

1.0

0.5

0.1

0.1

Low temperature bend

-40°C No crack

Water tightness

0.3Mpa,2h, No seepage

Attack resistance

0.5kg·m,No seepage

Static charge resistance

—

20kg ,No seepage

Seam strip strength ,N/mm≥

4.0 or Membranes break

3.0

Right-angle tear strength,N/mm≥

60

60

      Trapezoid tear strength N≥

—

300

450

350

Bibulous rate

(70°C 168h), %

After soaking≤

4.0

Air-cure later≥

-0.40

Heat aging

(115°C)

Time

672h

Appearance

No blister,flaw,delamination,coherence,hole

Tensile strength retention,%≥

90

Elongation rate of keeping,%≥

90

Low temperature bend

-40°C, No crack

Chemistry

resistance

Appearance

No blister,flaw,delamination,coherence,hole

Tensile strength retention,%≥

90

Elongation rate of keeping,%≥

90

Low-temperature bending

-40°C, No crack

Artificial weather accelerated aging

Time

1500hb

Appearance

No blister,flaw,delamination,coherence,hole

Tensile strength retention%≥

90

Elongation rate of keeping%≥

90

Low temperature bend

-40°C ,No crack