Liquid Applied Waterproofing
Polyurethane liquid applied waterproofing coatings are a popular choice for sealing various types of surfaces. These coatings are versatile and offer exceptional performance, making them ideal for use in a range of applications. In this article, we will provide an overview of polyurethane liquid applied waterproofing coatings, including their properties, uses, production formulas, and application procedures.
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Product Introduction
Product Description
Polyurethane liquid applied waterproofing coatings are a popular choice for sealing various types of surfaces. These coatings are versatile and offer exceptional performance, making them ideal for use in a range of applications. In this article, we will provide an overview of polyurethane liquid applied waterproofing coatings, including their properties, uses, production formulas, and application procedures.
Where to use
PU based waterproofing is widely used in roofing, basement, underground, concrete rood, wall, toilet,Bridge, culvert, metal pipe and pool.
Technical Data Sheet
|
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 |
Overview of Polyurethane Liquid Applied Waterproofing Coatings
Polyurethane liquid applied waterproofing coatings are made from a combination of polyol, isocyanate, and water. They are typically applied to surfaces as a liquid, and when they cure, they form a tough, durable, and waterproof membrane. Polyurethane liquid applied waterproofing coatings are available in two main forms: aromatic and aliphatic. Aromatic coatings are typically less UV stable, while aliphatic coatings are more resistant to UV exposure.
Features
1. Good flexibility, strong adaptability to base expansion or cracking, high tensile strength.
2. Strong adhesion to the base substrate.
Storage and Transportation
Storage environment should be dry, cool, well ventilated, avoid high temperature, away from fire source. Keep in- 40 degrees to avoid long periods of direct sunlight
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