HDPE V-lock anchoring liner, also known as concrete protective liner or multi-point anchored PE sheet. • This material uses high-density polyethylene (HDPE) as raw material, which is corrosion-resistant, acid and alkali-resistant, and non-toxic.
• Its surface has many V-shaped anchoring keys, which can form a strong protective layer with concrete and other surfaces.
• HDPE is a multifunctional thermoplastic polymer widely used in the manufacture of various products, such as piping systems, containers, bottles, and toys.
• This liner is often used in engineering linings to improve the performance and lifespan of concrete, and provides functions such as seepage prevention, waterproofing, and crack resistance.
Engineered for the Toughest Conditions Property | Performance |
Material | High-Density Polyethylene (HDPE), food-grade, non-toxic, recyclable |
Density | 0.93–0.97 g/cm³ |
Chemical Resistance | pH 2–12 (acids, alkalis, salts, solvents, seawater, wastewater) |
Impact Strength | ≥50 MPa |
Crack Resistance | Elongation at break ≥500% |
Permeability Rating | ≥P12 (virtually zero water absorption) |
Service Life | 50+ years, minimal maintenance |
Aging Resistance | No significant aging, tensile strength remains 20–25 MPa |
Advantages Over Traditional Materials
| HDPE Lining | Fiberglass | Epoxy Coating | Steel Lining |
Corrosion resistance | Excellent | Moderate | Good | Poor |
Bond with concrete | Mechanical lock | Poor | Weak | Requires anchors |
Blister / delamination | None | Common | Common | Not applicable |
Installation speed | Fast | Slow | Very slow | Heavy & slow |
Lifecycle cost | Low | High | High | Very high |
Weldable seamless joints | Yes | Difficult | No | No |
· Chemical wastewater tanks
· Acid/alkali pits
· Reactor foundations
· Tank berms
· Trenches
· Settling tanks
· Equipment linings
· Municipal sewage tanks
· Equalization tanks
· Anaerobic/aerobic tanks
· Sludge tanks
· Neutralization tanks
· Clarifiers
· Landfill base liners
· Leachate collection ponds
· Equalization basins
· Underground barrier layers
· Tunnels
· Utility tunnels
· Pipe galleries
· Dams
· Canals
· Reservoirs
· Stormwater detention tanks
· Electroplating workshops
· Pickling baths
· Coastal structures
· Salt works
· Aquaculture ponds
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