The ISBM process for HDPE manufacturing is a marvel of modern engineering. It combines multiple steps to create high-quality, consistent products.

Here’s a breakdown:

1. Injection Molding: Molten HDPE / COC blends are injected into a preform mold, creating a test-tube-like shape.
2. Conditioning: The preform is brought to the optimal temperature for stretching and blowing.
3. Stretching: A rod extends into the preform, stretching it axially.
4. Blowing: Compressed air inflates the preform, pushing it against the walls of the blow mold.
5. Cooling: The part is cooled rapidly, setting its final shape.
6. Ejection: The finished product is ejected from the mold.

This process results in a thin, tough, stiff container with an attractive surface.

ISBM HDPE products boast a range of properties that set them apart from EBM:

• Strength and Durability: The biaxial orientation achieved during the ISBM process, coupled with the high stiffness of COC, significantly enhances the material’s strength-to-weight ratio, resulting in lighter products that can withstand high impact and long-term use.
• Chemical Resistance: ISBM HDPE exhibits excellent resistance to a wide range of chemicals, making it ideal for packaging aggressive substances or for use in challenging industrial environments.
• Barrier Properties: The molecular alignment achieved during stretching improves the material’s barrier properties, offering superior protection against moisture, gases, and other potential contaminants.
• Aesthetics: While HDPE is naturally opaque, the ISBM process enables smoother, glossier surface finishes than traditional EBM process for HDPE containers.
• Cost-effectiveness: ISBM’s efficient material use and high production speeds translate to cost savings, making it an attractive option for large-scale manufacturing.

Versatility Across Industries

The combination of properties offered by ISBM HDPE has led to its adoption across various sectors:

• Food and Beverage: The material’s excellent barrier properties and chemical resistance make it ideal for preserving product freshness and safety.
• Personal Care and Cosmetics: ISBM HDPE’s clarity and customizable aesthetics shine in this image-conscious industry.
• Industrial Applications: ISBM HDPE’s durability and chemical resistance make it a good choice for packaging demanding industrial materials.

TOPAS Advanced Polymers leads the world in cyclic olefin copolymer (COC) production. Our flagship TOPAS^® COC resins are revolutionizing industries from packaging to healthcare, enabling product designers and manufacturers to go beyond the ordinary.

As a chemical relative of polyethylene and other polyolefins, TOPAS^® COC offers far more:

• Superior Purity: Broad global regulatory compliance for direct drug contact and food packaging
• Glass-Clear Properties: Ideal for sparkling films and high-performance diagnostics with UV transparency
• Heat Resistance: Excelling in packaging films, sterilizable devices, and thermoforming applications
• Olefin Compatibility: Blends seamlessly with polyethylene, improving recyclability
• Enhanced Barrier Properties: Resists moisture, alcohols, and acids for superior product protection

Operating the world’s largest COC plant, with an even larger plant opening in 2026, we serve a global customer base across diverse markets:

• Packaging: Lightweight, durable, and customizable solutions
• Healthcare: Sterile, reliable packaging for medical devices and pharmaceuticals
• Diagnostics: Precise materials for accurate and efficient testing
• Electronics: Advanced solutions for insulation, protection, and miniaturization

Our collaborative approach involves working with companies of all sizes to optimize their products and processes. We’re committed to continuous innovation, including the production of norbornene for complex organic molecules.

At TOPAS Advanced Polymers and Polyplastics, we’re not just shaping plastic—we’re shaping the future of industries worldwide. Ready to transform your products with TOPAS^® COC? Find a representative in your area.