PU waterproof coatings
PU PRIMER — One-Component Polyurethane Primer
Moisture-curing polyurethane primer for substrate preparation ahead of compatible PU waterproofing. It helps seal porous surfaces and improve adhesion within the selected coating system.
Product image
Recommended applications
Prepared concrete and compatible metal substrates before PU coating.
Key product data
| Pack | 10 or 20 kg |
|---|---|
| Reference consumption | ≈0.1 kg/m² at 0.1 mm |
| System | Single component / أحادي المكون |
Reference information from the supplied product data. Performance and consumption depend on the grade and application conditions; confirm details in the batch documentation.
Standards & test methods
Reference standards and test methods stated in the product technical data. Test conditions: 23 ±2°C; relative humidity 50 ±10%.
| Property / condition | Technical requirement / reference value |
|---|---|
| Viscosity (mPa·s) | Specified value ±30%; base value not supplied |
| Surface-dry time | ≤3 h |
| Through-dry time | ≤5 h |
| Solids content | ≥90% |
| Bond strength | ≥1.5 MPa |
| VOC | ≤120 g/L |
| Free TDI | ≤0.1 g/kg |
| Benzene + toluene + ethylbenzene + xylene | ≤200 mg/kg |
| Anthracene | ≤10 mg/kg |
| Naphthalene | ≤10 mg/kg |
| Phenol | ≤10 mg/kg |
| Density | 1.05 ±0.05 kg/L |
| Open time | 2–3 h |
| Reference consumption at 0.1 mm | ≈0.1 kg/m² |
References reproduce the editions listed in the product data. Confirm the required edition, selected grade and supporting test report for consultant approval.
Application & selection notes
For hot, dry site conditions, check substrate temperature, moisture, working time and curing before application. The heat resistance of a cured membrane does not permit installation outside the application limits in its TDS.
Specify for Saudi Arabia, UAE & GCC projects
Send the project location or destination port, application, substrate, required thickness, area in m², quantity and delivery schedule. Request the selected grade, export packing, TDS and batch documentation for consultant review. Manufactured in China; project approvals are reviewed for each enquiry.
Contact the export team