PMT Thermoplastic Polyolefin(TPO) Waterproof Sheet

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
4000 m²
Supply Capability:
100000 m²/month

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Product Description:

PMT-TPO is a waterproof sheet, consisting of thermoplastic polyolefin compound resin materials as the base stock, reinforced with fiber backing materials.  

This kind of coiled material can be welded, and has good weather resistance and excellent Low-temperature Capability .

There have two kinds of thickness: 1.2mm and 1.5mm.

 

1.  Main Features

Standards

ASTM D6878

Item

Requirement

Test Method

Thickness, min, mm

Sheet-overall

≥1.0

ASTM D6878

Coating over fabric or scrim, weathering side only

≥0.305

ASTM D751

Breaking strength, min, N

≥976

ASTM D751

Elongation at reinforcement break, min, %

≥15

ASTM D751

Tensile strength,min, N

≥245

ASTM D751

Brittleness point, max, °C

≤-40

ASTM D2137

Ozone resistance

no cracks

ASTM D1149

Properties after heat aging

Breaking strength, % min

≥90

ASTM D573

Elongation at reinforcement break, % min

≥90

ASTM D573

Tearing strength, % min

≥60

ASTM D573

Weight change (mass), max %

≤±1

ASTM D573

Linear dimensional change, max, %

≤±1

ASTM D1204

Water absorption, max, mass %

≤±3.0

ASTM D471

Factory seam strength, min, N

≥290

ASTM D751

Weather resistance

Visual inspection

-

   

2. Packaging

Rolled with hard materials and packed with plastic bags or woven bags.

Thickness

Roll Size

Rolls/Pallet

Pallets / 20’ Container

1.2 mm

15 m2

25

20

20 m2

25

30 m2

25

1.5 mm

15 m2

25

20 m2

25

30 m2

20

 

3. Applications

  • Various roofing waterproof projects, such as industrial and civil buildings, public constructions;

  • Full adhered system for concrete substrate or mechanically attached systems.

 

4. Advantages

  • Weather resistance and durability;

  • Excellent weld ability;

  • No any crisp agents to prevent materials brittleness;

    • White-based light-color and smooth surface with high reflection, energy saving and anti-dust functions;

    • Use heat welding for the seam areas to form a reliable seamless waterproof layer.

    • Intermediate enhanced polyester mesh fabric to have high tensile strength, fatigue resistance and penetrating resistance suitable for mechanically attached roofing systems;

    • Excellent the same high and low temperature resistance as rubber materials which can keep flexible at -50° C and keep mechanical strength in high temperature;

    • Excellent chemical resistance to acids, bases, and restaurant exhaust emissions;

    • Dimension stability;

 

5. How to Constrution TPO sheet?

For Mechanically Attached Roofing System

Before application, spread TPO membranes on substrate in advance. Install TPO membranes perpendicular to steel deck ribs on the substrate without distortions according to the flange. The overlapping width is 120 mm. The minimum overlapping distance of membrane short side direction is 50 mm. Fasteners are installed according to designed position. Hot-air welding is adopted for laps with 40 mm welding width.

For Fully Adhered Roofing System

Before application, spread TPO membranes on substrate in advance. Install TPO membranes on the substrate without distortions according to the flange. The overlapping width should be more than 50 mm. Hot-air welding is adopted for laps with 40 mm welding width. Professional adhesives need to be used on both underside and substrate surfaces to adhere and maintain.

For Ballasted Roofing System

Before application, spread TPO membranes on substrate in advance. Install TPO membranes on the substrate without distortions according to the flange. The overlapping width should be more than 50 mm. Hot-air welding is adopted for laps with 40 mm welding width.

 

6.Storage

PMT-TPO material should be stored in well-ventilated place and avoid being exposed to the sun or rain. The temperature in stored places can not be higher than 45° C. It only can be put horizontally in five-level. It has to be avoided acid, alkali, oil and organic solvents. The shelf life is 1 year.

 

7. Transportation

PMT-TPO material should avoid inclination or lateral drift during transportation. When necessary, covering with felted fabric.

 

8. Attentions

    TPO membranes reflect heat and light, wearing protective clothing (long-sleeved shirt, long-barreled trousers), and wearing a filter to protect the skin and eyes from UV-induced damage.

    Security measures for roof perimeter are necessary when application. Sheet surface is slippery when wet, taking care to avoid slide.

    Sealants and adhesives are flammable containing solvents. They will be dangerous when exposure to heat, even have the possibility to catch fire and explode.

    Sealants, adhesives, cleaners should be avoided contacting with skin and eyes.

    No smoking during application.

 

9.Certificate:

Meanwhile, it has obtained FM certificate of the US, CE certificate of EU, and Gost-R certificate of Russia with its more stable properties and excellent performance.

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