Durable Sodium Bentonite Geosynthetic Clay Liner Long-Lasting Waterproof Performance for Environmental Projects
Product Overview
Our sodium bentonite waterproof blanket is a high-performance geosynthetic clay liner (GCL) combining natural sodium bentonite between durable geotextile layers. This self-sealing solution provides exceptional hydraulic containment for environmental and construction applications.
Key Features
✔ Self-Healing Properties - Bentonite swells to seal punctures
✔ Low Permeability (<10⁻⁹ cm/s when hydrated)
✔ Chemical Resistant - Naturally stable in most environments
✔ Easy Installation - Lightweight rolls for fast deployment
✔ Environmentally Friendly - Natural clay material
Primary Applications
✅ Landfill Liners & Caps
✅ Pond & Canal Liners
✅ Tunnel Waterproofing
✅ Foundation Waterproofing
✅ Secondary Containment
Technical Specifications
| Parameter | Standard Grade | Heavy Duty Grade |
|---|---|---|
| Bentonite Weight | 4.0kg/m² | 5.0kg/m² |
| Tensile Strength | ≥25kN/m | ≥35kN/m |
| Peel Strength | ≥0.15kN/m | ≥0.20kN/m |
| Hydraulic Conductivity | ≤5×10⁻¹¹ m/s | ≤5×10⁻¹¹ m/s |
| Roll Size | 4.8m×30m | 4.8m×30m |
Performance Advantages
• Proven 50+ year service life
• No mixing or special equipment required
• Conforms to irregular surfaces
• Cost-effective alternative to compacted clay
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.