Natural Sodium Bentonite Core 4-6m Geosynthetic Clay Liner for Hydraulic Barriers

Key Features

◼️ Triple-Layer Structure
Woven/non-woven geotextile sandwiching high-grade bentonite core

◼️ Self-Sealing Ability
Expands 10-15X when hydrated, sealing cracks & punctures

◼️ Zero Permeability
≤5×10⁻¹¹ m/s hydraulic conductivity after swelling

◼️ Eco-Friendly
100% natural sodium bentonite (non-toxic, VOC-free)

Technical Highlights

▫️ Bentonite Content: ≥4.5kg/m²
▫️ Roll Size: 4.8m×35m (customizable)
▫️ Peel Strength: ≥40 N/cm
▫️ Swell Index: ≥24ml/2g

Primary Applications

✓ Landfill caps/base liners
✓ Tunnel/underground structure waterproofing
✓ Pond & canal liners
✓ Foundation moisture barriers

Why Choose Our Product?

★ 50% faster installation vs traditional membranes
★ No need for compacted clay layers
★ Maintains flexibility (-30°C to 60°C)
★ Resists differential settlement

Installation Basics

1. Overlap seams by 300mm minimum

2. Anchor edges with bentonite paste

3. Cover with 300mm backfill within 48hrs

Certifications: ISO and CE
MOQ: 1 ROLL

[Request Sample] [Download Spec Sheet]By contact us:+86 15116129368

Founded in 2008, Jianyi group  is a large production base of solid waste safe landfill and engineering protective materials in China. The company has participated in the major infrastructure construction of the country and the "the Belt and Road", the construction of emergency epidemic prevention projects in Wuhan Huoshen mountain, Leishen mountain and Guangzhou Eighth People's Hospital, the national strategy for special treatment of heavy metals, the landfill and incineration of urban domestic waste, industrial waste, hazardous waste disposal and other environmental protection projects, provided a large number of high-quality new geotechnical environmental protection materials for the partners, and provided overall solutions for the project.

corporate culture

[Vision]

Become a world-class engineering safety system solution service provider!

[mission]

Make the project safer and the environment better!

[core values]

Integrity, innovation, pragmatism and efficiency! Professional and enterprising, achieving customers!