HDPE Geomembrane Grade Granules

HDPE Geomembrane Grade Granules are high-performance polyethylene raw materials used in the extrusion and manufacturing of impermeable geomembranes for containment and environmental protection applications. These grades are selected for their combination of chemical resistance, flexibility, tensile strength and long-term resistance to environmental stress cracking. A carefully controlled resin structure helps geomembranes maintain their integrity under mechanical loads, temperature changes and prolonged contact with moisture or chemicals. High-quality geomembrane formulations are also designed to provide stable extrusion behavior and uniform sheet thickness, which are essential for reliable welding and field installation. Resin purity and consistent quality are particularly important because small variations in material properties can affect long-term liner performance.

HDPE geomembranes are used for landfill liners, wastewater treatment facilities, mining ponds, irrigation reservoirs, aquaculture ponds, industrial containment systems and other waterproofing structures. Their very low permeability makes them effective barriers against the migration of water and many chemical substances. The finished geomembrane can be manufactured in different thicknesses according to hydraulic pressure, substrate conditions, installation method and required service life. Important performance considerations include tensile strength, elongation, tear resistance, puncture resistance, carbon black dispersion and resistance to environmental stress cracking. Manufacturers must therefore select a resin formulation capable of maintaining mechanical and barrier properties throughout the expected operating period.

HDPE Geomembrane Grade is typically supplied as clean polymer pellets in sealed moisture-resistant bags or heavy-duty multi-layer packaging. Standard 25 kg bags are suitable for conventional industrial handling, while jumbo bags can be used for larger sheet and geomembrane manufacturing operations. Packaging should protect the resin from contamination, moisture and excessive heat during storage and transportation. Before commercial production, geomembrane manufacturers should review the resin’s density, MFR, mechanical properties, stabilizer system and other relevant technical data to confirm compatibility with the extrusion line and the required geomembrane performance.

Technical Specifications

Property	Typical Value
Polymer Type	High Density Polyethylene (HDPE)
Grade	Geomembrane Extrusion Grade
Processing Method	Blown Film / Sheet Extrusion
Density (ASTM D1505)	0.940 – 0.960 g/cm³
Melt Flow Rate (ASTM D1238, 190°C/2.16 kg)	0.2 – 1.5 g/10 min
Carbon Black Content	2.0 – 3.0 %
Tensile Strength at Yield	20 – 30 MPa
Elongation at Break	600 – 900 %
Environmental Stress Crack Resistance (ESCR)	High Resistance
Additives	Carbon Black, Antioxidant, UV Stabilizer

Note: Technical values may vary depending on the specific HDPE grade.

IF YOU ARE WILLING TO BUY HDPE GRANULE FROM IRANIAN SUPPLIERS, PLEASE SCROLL DOWN AND SUBMIT YOUR REQUEST.

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FAQ HDPE Geomembrane Grade Granules

HDPE Geomembrane Grade Granules are specially formulated high-density polyethylene resins designed for producing durable geomembrane liners through extrusion processes. These granules provide excellent mechanical strength, flexibility, chemical resistance, and long-term performance in demanding environmental applications.

HDPE Geomembrane Grade Granules are mainly used for manufacturing waterproof and protective liners for agricultural ponds, irrigation reservoirs, landfill liners, mining applications, wastewater treatment facilities, aquaculture ponds, and industrial containment systems.

HDPE is widely used in geomembrane production because of its excellent resistance to chemicals, moisture, UV radiation, and environmental stress cracking. It provides a reliable barrier against liquid leakage and maintains its performance for many years under harsh outdoor conditions.

The key properties include high tensile strength, excellent elongation, low permeability, strong puncture resistance, UV stability, and superior durability. These characteristics help manufacturers produce geomembranes that can withstand mechanical stress and environmental exposure.

Yes, HDPE Geomembrane Grade Granules can be customized by adjusting parameters such as melt flow rate, molecular weight distribution, carbon black content, and additive packages. This allows manufacturers to produce geomembranes suitable for different thicknesses and specific project requirements.

International buyers can find reliable Iranian suppliers through IranCorps, a B2B platform connecting global buyers with verified Iranian manufacturers and exporters. IranCorps helps buyers identify qualified HDPE suppliers, compare offers, receive technical information, and communicate directly with trusted producers to purchase high-quality HDPE Geomembrane Grade Granules from Iran.