Polyurethane liquid membrane
polyurethane liquid membrane is a type of waterproof coating that is widely used in construction. It is made of polyurethane resin, which is a synthetic material that can be modified to have different properties. This waterproof coating is applied using a liquid membrane that is sprayed or painted onto the surface of the building to create a long-lasting protective layer.
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Product Introduction
Polyurethane liquid membrane
| Color | Pail | Coverage | Packing |
| Red, Grey, Black, Green | 20kg/pail, neutral packing or OEM | 1.65kg/sqm, 1mm thickness | Plywood Pallet |
Polyurethane liquid membrane is a type of waterproof coating that is widely used in construction. It is made of polyurethane resin, which is a synthetic material that can be modified to have different properties. This waterproof coating is applied using a liquid membrane that is sprayed or painted onto the surface of the building to create a long-lasting protective layer.
Properties of Polyurethane Liquid Membrane
Polyurethane liquid membrane waterproofing has many desirable properties, including high elasticity, durability, and resistance to UV radiation, chemicals, and weathering. It can also be applied to a variety of surfaces, including those with irregular shapes or contours. This waterproofing coating is also flexible and can accommodate building movements without cracking or splitting.
Basement waterproofing
Polyurethane waterproof coating can be placed to the basement's floor, walls, and ceiling to provide a solid waterproof barrier that prevents groundwater penetration and protects the basement's structure and internal facilities.
Waterproofing of the roof
Polyurethane waterproof coating can be applied to the roof's surface to form a continuous and flexible waterproof film that successfully resists rain penetration and protects the roof's structure and internal space.
|
No. |
Item |
Standard Index |
Test Method |
Result |
|
1 |
Solid Content |
＞90% |
ASTM C836 |
90.7% |
|
2 |
Tensile Strength |
＞2.0MPa |
ASTM D412, 16 method A |
2.22MPa |
|
3 |
Elongation at break |
＞500% |
ASTM D412, 16 method A |
620% |
|
4 |
Peel Adhesion to Concrete |
＞2 N/mm |
ASTM D 903-98 |
2.065 N/mm |
|
5 |
Hydrostatic pressure resistance |
0.7Mpa, 1h, No water Leakage |
ASTM D5385-1993, (2006) |
Pass |
|
6 |
Low Temperature crack bridging |
No effect |
ASTM C836-06 |
Pass |
|
7 |
Tear Resistance |
≥17.0kN/m |
ASTM D 573-04 (2019)/ ASTM D 624-00 (2012) |
17.6KN/m |
|
8 |
Low Temperature Flexibility |
No cracking |
ASTM D1970-01 |
Pass |
|
9 |
Puncture Resistance |
＞91.3 N |
ASTM D4833/ D4833M-07 (2013) |
92.6 N |
Production Process of Polyurethane Liquid Membrane
Polyurethane liquid membrane waterproofing is produced by mixing a polyol resin, an isocyanate-based hardener, and other additives to create a two-component system. These components are then sprayed or painted onto the surface to create a seamless, waterproof membrane.
Use in Different Countries
Polyurethane liquid membrane waterproofing is used in many countries around the world, including the United States, United Kingdom, Germany, China, and Japan. This waterproof coating is widely available and can be purchased from many manufacturers and distributors.
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