Products > Waterproofing & Protective Coatings > Hydrophobic PU Foam Grout
Hydrophobic PU Foam Grout
Fast-reaction hydrophobic polyurethane injection resin for rapid water stopping in tunnels, underground structures, basements, and concrete cracks.

Who Uses This Product
Tunnel waterproofing contractors
Active leak stopping during construction and repair.
Emergency leak repair
Fast foaming response for urgent leaks.
Mining infrastructure
Water control in underground works.
Basement waterproofing
Concrete crack injection for active seepage.
Technical Specifications
| Reaction time | 30 seconds to 5 minutes |
|---|---|
| Foam expansion ratio | 20-30x |
| Viscosity | 200-800 mPa·s |
| Density (foamed) | 60-150 kg/m³ |
| Bonding | Excellent to wet substrates |
| Compressive strength | 5-15 MPa |
Specifications shown represent typical ranges. Specific product variants may differ — please request the relevant TDS for exact values.
Quality Standards & Benchmarking
Benchmarked to BASF MasterRoc / Sika InjectoFlex specifications with comparable technical performance and a more cost-effective overall package.
Packaging & Logistics
Standard packaging
25kg pails or 200kg drums
Minimum order quantity
500kg trial / Container: 18-20 tons
Shipping
Ex-works Shanghai or FOB Yangshan Port. Typical transit to Southeast Asia 7-14 days, Middle East 18-22 days, Latin America 40-55 days.
Technical Service Commitment
TDS & SDS documentation in English, Chinese, Spanish, and Russian
Application support from formulation chemists
Custom formulation adjustments available
Video training and on-site consultation for qualified accounts
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