Plastic Injection Overmolding

Many clients need soft grips, seals, or cushion pads on their products. If you assemble two parts separately, it is troublesome and the parts may fall off. Hayi Technology's plastic injection overmolding service bonds a hard plastic base with a soft rubber (TPE or TPU) in one single injection step. The final part feels much better and works better. For example, a German client making electric screwdrivers had a hard ABS handle. Workers said their hands hurt after long use. We changed it to an ABS base with TPE overmolding. The handle became anti-slip and comfortable. Customer feedback improved a lot after the new product launched. This case shows overmolding is a small change with a big upgrade. Our MOQ is 1 piece. We can do the overmolding process even for samples.

Good Material Matching and Mold Technology

The biggest risk in overmolding is poor bonding or soft material overflowing to wrong places. Hayi Technology has rich experience in material matching. We hold ISO9001:2015 certification. For molds, we use our utility model patent "a foot pad molding die that is easy to demould" (ZL202123396798.0). This patent helps the mold position correctly during the second shot and reduces overflow. Before each production run, we do a peel force test to ensure the bond strength between soft and hard layers is good. Before packing, we do 100% full inspection. We do not accept parts with bubbles or missing material. We also accept third-party inspection. You can recommend us to clients who care a lot about product feel. Our factory in Hangzhou has 60 workers and over 25,000 square meters of space. We are ready to handle your plastic injection overmolding orders from small samples to large runs.

Agents worry most about a custom order taking one month for sampling. At Hayi Technology, our standard for custom samples is 1 day minimum. Send us your drawing. We evaluate the process the same day. After we confirm the order, lead time is about 15 days. Repeat orders are faster. Payment: 30% deposit for standard products, 50% deposit for custom products, balance before shipment. We support EXW, FOB, and DDP. During production, we send photo or video updates. If goods get damaged in transit, we talk immediately and improve after we find the cause. We have a dedicated after-sales person. These promises help you take orders from clients with special functional needs. We can also mix different colors or models in one order. That makes your work much easier.

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