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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
Products
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 |
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