Custom Plastic Molding with Thermoplastic Rubber | TPR Overmolded Components from Top Taiwan Supplier

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TPR Overmolded

The evolution of Plastic Molding has given rise to innovative methods that blend function with aesthetics, and one standout is the use of TPR Overmolded parts. These components integrate the durability of thermoplastics with the flexibility of Thermoplastic Rubber to produce complex, high-performance assemblies that excel under pressure. In applications ranging from power tools to medical grips, overmolded designs are celebrated for delivering superior ergonomics and multi-material functionality. This technique not only enhances tactile comfort and control but also boosts product longevity through protective, resilient outer layers.With rising demand for sleek and user-centric designs, the ability to create seamless rubber-plastic hybrids has become critical for competitive brands across industries. Design engineers increasingly rely on this method to achieve next-level functionality in harsh or variable-use environments. Whether the end product faces temperature extremes, continuous handling, or constant vibration, this molding method provides a reliable barrier against wear and fatigue. Furthermore, businesses are exploring its potential for customized branding via textured or colored surfaces that remain embedded within the part structure without fading or peeling.

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TPR Overmolded

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Product Specifications: PA+GF+ TPR/TPE/Cork TPE

Product Description:
Air/Pneumatic Tools Housing / Case(TPR Overmolding) / Cork Grip
Sustainable TPE Overmolding with Cork-Based Materials
In response to the growing need for sustainable manufacturing, Sung I Industrial now offers overmolding solutions using TPE blended with natural cork materials. This eco-friendly approach not only reduces the overall weight of the product but also enhances shock absorption, grip comfort, and visual appeal—making it ideal for ergonomic applications.

Unlike traditional rubber or synthetic materials, cork-infused TPE provides a warm tactile feel and a unique surface texture that helps differentiate products in the market. This innovation is especially valuable for brands seeking sustainability without sacrificing durability or functionality.

Through our expertise in plastic injection molding, mold development, and custom manufacturing, we support full OEM/ODM integration. Combined with our vertically integrated production system, we can deliver scalable solutions that use engineering plastics and sustainable materials—helping clients meet modern product demands while aligning with eco-conscious values.

Driving this capability is SUNG I INDUSTRY CORP. , a recognized exporter of advanced plastic injection molding services with more than 45 years of experience. Known for their vertically integrated operations, they specialize in everything from concept visualization and mold simulation to final quality inspection and global shipping. Their strategic focus on TPR solutions empowers clients to develop highly customized products while maintaining cost control and environmental responsibility. As a key player in the Asian market and beyond, SUNG I leverages its ISO-certified processes and engineering expertise to support even the most complex overmolding projects.

Backed by efficient workflows and responsive customer service, they remain the preferred partner for brands seeking the Best in thermoplastic rubber innovations made in Taiwan. Efficiency remains at the core of their workflow, allowing rapid transition between development stages with minimal bottlenecks. This ensures faster time-to-market without compromising the integrity of the final component. Moreover, by offering modular support services — such as localized assembly or logistic coordination — they provide a flexible infrastructure adaptable to global expansion plans and seasonal production peaks.

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Products List

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TPR Overmolding

Product Specifications: Aluminum/Die Casting + TPR/TPE Product Description: Air/Pneumatic tools Housing / Case (TPR Overmolding) TPR Overmolding for Enhanced Grip & Shock Absorption Whether using powder-coated or liquid-painted metal housings, TPR (Thermoplastic Rubber) overmolding is an ideal solution to enhance grip comfort and reduce vibration. This improves ergonomic performance and minimizes user hand fatigue. Unlike manual assembly, TPR overmolding enables high-speed, large-volume production while reducing the risk of slipping, cracking, or detachment. It’s especially suitable for plastic injection molding applications that demand both performance and user comfort. Key benefits of TPR include: Excellent abrasion resistance and deformation stability Strong electrical insulation and heat resistance Resistance to grease and harsh chemicals At Sung I Industrial, we specialize in mold development, OEM/ODM, and custom manufacturing. With full vertical integration, we work with advanced engineering plastics and sustainable materials to deliver reliable, production-ready solutions.

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TPR Molding

Product Specifications: Aluminum Magnesium Alloy +PP+TPR/TPE Product Description: Air / Pneumatic Tools Handle / Grip Overmolding Technology｜Enhanced Grip & Brand Identity Through Multi-Material Integration At Sung I Industrial, we specialize in plastic injection molding and mold development, offering fully custom manufacturing solutions that balance both functionality and aesthetics. Our advanced overmolding technology allows materials like TPR and TPE to be molded directly over metal or plastic substrates, enhancing grip, anti-slip performance, and shock absorption. Even for metal components with a pre-applied paint or coating finish, Sung I ensures that the overmolding process will not scratch or damage the surface—maintaining a flawless appearance. We can also integrate rigid materials like PP to increase structural strength while offering a dual-layer surface design that adds visual diversity and improves product recognition. This makes it an ideal solution for ergonomically designed products such as hand tools, sporting goods, and automotive components. With full OEM/ODM support and a vertically integrated workflow, Sung I manages every step from design, material selection, and mold fabrication to injection molding, post-processing, and final packaging—delivering high-quality, scalable overmolding solutions for today’s performance-driven markets.