HDPE Injection Molding Services
Offering high-quality, cost-effective, and customizable solutions. Ideal for durable, lightweight parts across industries.
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Certifications
ISO 9001:2015 | ISO 13485：2016 | IATF16949
Expert HDPE Injection Molding in China
At BOYI, we specialize in HDPE (High-Density Polyethylene) plastic injection molding, delivering high-quality and cost-effective solutions tailored to your needs. As one of China’s leading injection molding companies, with experienced engineers and state-of-the-art facilities, we provide rapid prototyping, short lead times, and the ability to scale production from small batches to large volumes.
HDPE Injection Molding Capability
Whether you need a small batch or large-volume production, our experienced team is dedicated to delivering excellence in every project.
| Standards | Detail |
|---|---|
|
Part to Part Repeatability |
+/- 0.005 mm |
|
Maximum Part Size |
1200×1000×300mm |
|
Wall Thickness |
0.5 mm |
|
Standard Lead Time |
15 business days or less |
|
Price |
$ $ $ |
HDPE Material Properties
High-Density Polyethylene (HDPE) is a versatile and widely used thermoplastic known for its excellent properties, applications of HDPE include containers, pipes, automotive parts, medical equipment, and industrial components due to its strength, durability, and adaptability.
| Mechanical Properties | |
|---|---|
|
Tensile Strength |
26.2 MPa |
|
Elongation at Break |
583 % |
|
Rockwell Hardness (R) |
48.7 |
|
Flexural Modulus |
1.13 GPa |
|
Shrinkage Rate (cm/cm) – Linear |
0.0215 |
|
Density |
0.954 g/cm3 |
|
Flexural Yield Strength |
31.3 % |
| Thermal Properties | |
|---|---|
|
Maximum Service Temperature |
120°C to 130°C |
|
Thermal Expansion Coefficent |
100 to 200 × 10⁻⁶ /°C |
|
Thermal Conductivity |
0.45 W/m·K |
|
Softening Temperature |
120°C to 130°C |
|
Melting Point |
130°C to 137°C |
|
Melt Temperature |
246 ℃ to 280 ℃ |
|
Mold Temperature |
45 ℃ to 65 ℃ |
What is HDPE?
High-Density Polyethylene (HDPE) is a durable, versatile thermoplastic made from polymerizing ethylene, a petroleum by-product. Known for its high strength-to-density ratio, HDPE is used in products like bottles, food storage, piping, toys, and medical devices. It is recyclable and FDA-approved for certain applications, such as food contact and medical use.
HDPE injection molding involves melting HDPE plastic and injecting it into a metal mold. The resin hardens quickly, taking the shape of the mold, and the part is ejected once cooled. This process is repeated for mass production, with high-strength steel molds ensuring long-lasting durability.
Applications of HDPE Injection Molding
- Packaging: Bottles, containers, and caps.
- Piping: Water, gas, and sewage pipes.
- Consumer Goods: Toys, storage bins, and household items.
- Medical Devices: Syringes and medical containers.
- Automotive: Fuel tanks and bumpers.
- Construction: Plastic lumber and roofing materials.
- Agriculture: Irrigation systems and mulch films.
- Industrial: Chemical tanks and custom parts.
Key Benefits of HDPE
- High resistance to impact, wear, and weathering.
- Withstands a wide range of chemicals and solvents.
- Offers strength without being heavy.
- Maintains performance in wet conditions.
- Environmentally friendly and widely recyclable.
- Safe for food contact and medical applications.
