IS 16352 : 2020
Textiles - High Density Polyethylene (HDPE) Geomembranes for lining
1. Summary about High Density Polyethylene (HDPE) Geomembranes for Lining
HDPE geomembranes are synthetic liners used for waterproofing and containment in canals, reservoirs, landfills, mining, and industrial lining applications. They provide excellent chemical resistance and long service life.
2. Why BIS Certificate is Mandatory for HDPE Geomembranes for Lining
BIS certification is mandatory to ensure impermeability, mechanical strength, and resistance to environmental stress cracking. Failure can cause leakage and environmental damage.
3. What is BIS Certified for High Density Polyethylene (HDPE) Geomembranes for Lining
BIS certification verifies compliance with Indian Standards covering thickness uniformity, tensile properties, elongation, puncture resistance, and durability.
Tests required for High Density Polyethylene (HDPE) Geomembranes for Lining
| Title | Mandatory/Optional |
|---|---|
| Material | Optional |
| Manufacture | Required |
| Joints | Required |
| Length | Required |
| Width | Required |
| Average thickness at a pressure of 2±0.01kPa | Required |
| Average Core thickness | Required |
| Lowest individual of 10 thickness value | Required |
| Tensile Properties | Required |
| Average Asperity Height | Required |
| Tear Resistance | Required |
| Puncture Resistance | Required |
| Low temperature Crack resistance at minus 30°C±1°C | Required |
| Hydrostatic Resistance | Required |
| Seam Strength | Required |
| Carbon Black content | Required |
| Carbon Black Dispersion | Required |
| Oxidative Induction time: Standard OIT, or High pressure OIT | Optional |
| Oven ageing at 85°C, Retention of Oxidative Induction Time after 90 days | Optional |
| Retention of Breaking Strength after UV Exposure of 144 hrs | Optional |
| Stress Crack resistance | Optional |
| Dimension and tolerances | Required |
| Colour, Surface Characteristics and freedom from defects | Required |
4. Benefits of BIS Certification for High Density Polyethylene (HDPE) Geomembranes for Lining
- Ensures reliable waterproofing and containment
- Mandatory for environmental and infrastructure projects
- Improves resistance to chemicals and UV exposure
- Reduces leakage and system failure risk
- Builds regulatory and project confidence