Waterproof Coating Polyurethane Primer Std-927
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Typical performance
| Viscosity (25℃) pa.s | 2-9 |
| NCO | 8-15 |
| Coating impermeability | 04Mpa,2min |
| Bond tensile strength | ≥2.3 |
| Heat resistance | 100℃.5h coating |
| Corrosion resistance (48h) | 40% sulfuric acid |
| 25% hydrochloric acid | |
| 40% sodium hydroxide |
Features
Improve waterproof layer performance .
Enhance the adhesion of the base.
Application
Using a one-component primer before applying waterproof coatings can make the waterproof coating more evenly distributed on the surface of the base layer, forming a waterproof layer with consistent thickness and continuity, thus improving the waterproof effect and durability of the waterproof layer. For example, in roof waterproofing projects, after using a one-component primer to treat the base layer, the waterproof layer’s anti-seepage and anti-aging properties can be significantly improved.
This strong bond ensures that the waterproof layer is not easy to fall off when subjected to external forces (such as slight deformation of the base layer, stress caused by temperature changes, etc.), maintaining the integrity of the waterproof system. For example, after applying a single-component primer on a concrete base layer, the resin in the primer will fill the pores on the concrete surface, allowing the waterproof coating to better adhere to the base layer, avoiding problems such as hollowing and peeling in the later stage.
Business Nature
Manufacturer
Country/Region
Shanghai, China
Main Products
Chemical Products...
Payment Terms
Cash, PayPal, Credit Card (CC), Doc Against Payment (D/P), Letter of Credit (L/C), Bank wire (T/T)
Standard International Group (HK) Limited is a professional chemical manufacturer. Headquartered in Hong Kong, the company integrates the research, production and sales of chemical products. chemicals for many different areas, like industrial, food, medicine, electronic products. We can provide you with a variety of chemical additives, such as catalysts, stabilizers, plasticizers, crosslinkers, flame retardants, lubricants, surfactants, insect wax, etc.
