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Overmolding Nylon
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Overmolding Nylon

Polyamide (nylon, PA) substrates present a unique adhesion challenge for overmoulding TPE due to their chemical resistance, high surface crystallinity, and moisture absorption characteristics — factors that cause many standard TPE grades to deliver inadequate bond strength in real-world conditions.

Our overmoulding TPE grades for nylon substrates are formulated with polyamide-block-compatible polymer architectures and adhesion promoter packages that form strong covalent or hydrogen-bond interactions at the PA surface, achieving peel strengths of 4–7 N/mm on both PA6 and PA66 under dry and humidity-conditioned test conditions.

The critical performance criterion is often adhesion retention after conditioning, as moisture absorption in PA can cause delamination at the TPE–PA interface during service. Our PA-specific grades have been validated for adhesion stability after 72-hour water immersion and 96-hour humidity conditioning.

Shore A hardness range of 35A to 80A supports both soft-grip consumer product applications and functional sealing components in PA-based electromechanical assemblies.

Processing guidelines account for the elevated mould temperature requirements of PA substrates (240–280 °C), ensuring optimal wetting and adhesion formation.

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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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