Properties of High Density Polyethylene (HDPE) Plastic
High-density polyethylene. HPDE is made from
hydrocarbons found in petroleum. HDPE is flexible yet more rigid and has a stronger
intermolecular force and tensile strength than low-density polyethylene (LDPE).
It is also harder and more opaque and can withstand somewhat higher
temperatures. HDPE has a good
impact strength and resistance to stress cracks, chemicals, and vapors.
However, HDPE is a poor gas barrier. Its natural color is milky white and semi-translucent, depending on its density. Its SPI resin identification code number
Common uses milk jugs, distilled water, large vinegar bottles, grocery bags,
liquid laundry and dish detergent, fabric softener, motor oil, antifreeze,
bleach and lotion
High density polyethylene is excellent for blow
molding, such as for bottles, Buckets, Barrels, bottles, bags and
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to diluted and concentrated Acids, Alcohols and Bases is Excellent
Resistance to Aldehydes,
Esters, Aliphatic and Aromatic Hydrocarbons, Ketones and Mineral and Vegetable
Oils us Very Good
Resistance suitable for short term
use only to Halogenated Hydrocarbons and Oxidizing Agents should be Limited.
HDPE Quick Facts
Maximum filling temperature: 150 F for all foods and other FDA-regulated substances. 160 F for all non-foods and other substances not regulated by FDA. When filled at these recommended maximum filling temperatures, drums should be allowed to cool to ambient before stacking.
Minimum Temperature: -148°F
Tensile Strength: 4550 psi
UV Resistance: Poor for natural color
Specific Gravity: 0.95
HDPE products are available in many forms, such as sheet, rod, and tubing for
Excellent for all food-related products, FDA,
NSF and USDA approved for direct contact.
Very Good chemical resistance and high rigidity make it an excellent choice
for containers and tanks.
Some other uses include pipe fittings, buckets, barrels, and drums.
Excellent impact resistance, lightweight, very low moisture
absorption, & high tensile strength.
NOTICE: The shipper and/or packager of the container is responsible for the contents he places in the container. Please check with state and federal guidelines before you ship or package any product container