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Overmolding Polar Plastics
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Overmolding Polar Plastics

Achieving robust TPE adhesion to polar engineering plastics — including PC, ABS, PC/ABS, SAN, and PMMA — requires a fundamentally different polymer architecture from polyolefin-targeting grades, as the polarity of these substrates demands compatibiliser strategies based on polar polymer blocks.

Our overmoulding TPE grades for polar hard plastics utilise SEBS-based matrices modified with polar block segments that interact with functional groups on the substrate surface, achieving peel strengths of 3–6 N/mm without surface primers.

Transparency retention on PMMA and PC-compatible grades is maintained at high levels, enabling TPE overmoulding on transparent windows, optical housings, and display bezels where aesthetic continuity must be preserved.

High hardness variants (60A to 90A) are available for functional seals on precision electronic enclosures, where dimensional accuracy and compression set resistance are as important as adhesive bond strength.

Processing is validated on both mechanical interlocking and two-shot injection moulding tooling, with melt temperature and residence time guidelines to prevent substrate degradation during the overmoulding shot.

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About Zhuofeng
Industrial Fire-Retardant Solutions

Jiangsu Zhuofeng New Materials Technology Co., Ltd. was established in 2020. It is a supplier specializing in the research, production, and marketing of high-performance and environmentally friendly flame retardants. The company's main products include environmentally friendly flame retardants, flame retardant masterbatches, char-forming agents, composite flame retardants, magnesium oxide, etc. Relying on mature products and process technologies as well as standardized management, the company has established several mature high-purity, ultra-fine, and cost-effective flame retardant production lines, established a flame retardant polymer material application testing laboratory, and has carried out industry-university-research cooperation to develop and optimize flame retardant products. The founding team of Zhuofeng Technology has gathered a group of talents who have long been engaged in the research, production, marketing, and management of various functional materials. They can provide users with prompt technical support for application use. At Zhuofeng Technology, we are dedicated to meeting our customers' needs by delivering stable, high-performance, and environmentally friendly flame-retardant product lines. Company strength data: Industry Experience: 6 years; Plant Scale: 18,000 square meters; Production Capacity:20000 tons.

  • 2020Year

    Establishment

  • 18000

    Plant Area

  • 20000ton

    Production Capacity

Jiangsu Zhuofeng New Materials Technology Co., Ltd. Read More
Jiangsu Zhuofeng New Materials Technology Co., Ltd.
JIANGSU ZHUOFENG NEW MATERIALSTECHNOLOGY CO., LTD.
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