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Product Description
Coomcool WPB 42E is a silane/siloxane emulsion water repellent with good penetration properties to greatly reduce the surface tension of substrates.
Advantages
- Excellent permeability, coating on the surface of the substrate can greatly reduce the surface tension of the substrate.
- Does not contain any catalyst.
- Can be used to prevent water on neutral substrates such as wood.
Applications
It is suitable for waterproofing of water and water fiber products, wood and log products, porous stones such as sandstone, high speed road surfaces and airport runways, and silicate substrates such as calcium silicate boards.
Typical Characteristics
| Property | Unit | WPB 42E | Test Method |
| Appearance | – | milky white liquid | Visual |
| Density@25℃ | kg/m³ | 900 – 1000 | ASTM D4052 |
| pH | – | 6.5 – 8.5 | ASTM D1287 |
| Non-volatile Matter Content | % | 42 | In-house |
