HDPE

HDPE (High Density Polyethylene) Product Guide

Applications | Mechanical and Chemical Data

Overview

HDPE is a thermoplastic polymer made from petroleum. HDPE is compliant to FDA, USDA, and NSF requirements as well as being one of the versatile plastic materials around. It is known for its excellent tensile strength, large strength-to-density ratio, high impact-resistance, and melting point. HDPE is used in a wide variety of applications, including shampoo bottles, chemical containers, pipe systems, milk jugs, grocery bags, recycling bins, and flower pots.

Common Brand/Trade Names

Orthoform®, Polystone® G, Sanatec®

Other Resources

Weight Calculator

Products

HDPE Sheet/Plate

Applications

Snowboards
Pool pump bases
Tackle Storage Units
Medical Carts
Fender Mounts


Physical Properties HDPE
Density	0.035 lb/in3
Tensile Strength	4.6 ksi
Tensile Modulus	200 ksi
Elongation at Break Percentage	400%
Flexural Strength	4.6 ksi
Flexural Modulus	174 ksi
Compressive Strength	4.6 ksi
Compressive Modulus	100 ksi
Izod Impact (notched)	1.3 ft-lb/in
Hardness, Shore	D69
Coefficient of Linear Thermal Expansion	6 x 10^-5 in./in./°F
Heat Deflection Temp. at 26.4 ksi	180 °F
Water Absorption %, 24hrs	0.01%
Thermal Conductivity	3.3 BTU-in/hr-ft^2-°F

Chemistry Information
Element	Percentage
Polyethylene -(C2H4)n	99 min
Additives	0 - 1
Polyethylene -(C2H4)n	96 min
Carbon Black	2.25
Additives	1 max