Product Overview
A concrete-bonding membrane engineered for cast-in-place applications. Composite structure includes:
Base: Polyester fabric or polymer matrix
Adhesive: Dual-sided polymer-modified bitumen + top-coat bonding activator
Release Systems:
Bottom: Ethylene film / polyester rubber separator
Top: Silicone-coated release paper
Product Classification
By Material Type (EN 13967)
| Class | Composition | Thickness |
|---|---|---|
| P | Thermoplastic membrane | 1.2 mm / 1.5 mm* / 1.7 mm |
| PY | Polymer-modified bitumen-polyester | 4.0 mm |
| R | Elastomeric rubber | 1.5 mm* / 2.0 mm |
| *Note: Corrected 1.54mm → industry-standard 1.5mm |
Installation Method
Pre-applied to substrate → Concrete casting → Permanent chemical fusion
Key Features
Substrate Versatility
Bonds to damp/unprimed surfaces (≤15% moisture content)
Concrete Integration
Hydration-activated bond >1.2 MPa (EN 1542)
Structural Resilience
Tensile strength: ≥600 N/50mm (Class R, EN 12311-1)
Puncture resistance: 700 N (EN 14418)
Shear resistance: >2.5 N/mm²
Installation Efficiency
Rapid curing: 90% bond strength in 24h (ASTM D903)
Technical Specifications
| Parameter | Requirement | Standard |
|---|---|---|
| Peel adhesion | ≥3.5 N/mm | EN 14695 |
| Hydrostatic resistance | 2 bar/168h no leakage | EN 1928 |
| Service temperature | -35°C to +100°C | EN 495-5 |
Applications
Underground Structures:
Basement slabs, retaining walls (external bonded systems)
Transportation:
Cut-and-cover tunnel floors, station foundations
Special Conditions:
Flame-restricted sites (NFPA 241 compliant)
High-humidity environments
