Polyethylene (High Density) HDPE
Chemical drums, jerricans, carboys, toys, picnic ware, household and kitchenware, cable insulation, carrier bags, food wrapping material.
Flexible, translucent/waxy, weatherproof, good low temperature toughness (to -60'C), easy to process by most methods, low cost, good chemical resistance.
Tensile Strength 0.20 - 0.40 N/mm²
Notched Impact Strength no break Kj/m²
Thermal Coefficient of expansion 100 - 220 x 10-6
Max Cont Use Temp 65 oC
Density 0.944 - 0.965 g/cm3
RESISTANCE TO CHEMICALS
Dilute Acid ****
Dilute Alkalis ****
Oils and Greases ** variable
Aliphatic Hydrocarbons *
Aromatic Hydrocarbons *
Halogenated Hydrocarbons *
KEY * poor ** moderate *** good **** very good
CURRENT CASE STUDIES
Garden containers made from high density polyethylene. Low cost, high rigidity and ease of blow moulding has made the material a natural choice in gardening furnishings.