What to Do If TPE and TPR Are Mixed Together?

As someone who’s been in the rubber and plastics industry for years, I know firsthand how frustrating it can be when materials get mixed up. TPE (Thermoplastic Elastomer) and TPR (Thermoplastic Rubber) are particularly tricky because they look similar and share some performance traits, often causing headaches for factories, procurement teams, and technicians. If you’ve […]

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How to Reduce Costs in TPR Recycling and Secondary Pelletizing?

I’ve been elbow-deep in the plastics industry for over 20 years, and one challenge that keeps manufacturers up at night is the cost of recycling and re-pelletizing TPR (Thermoplastic Rubber). TPR’s versatility makes it a star in products like shoe soles and toys, but turning scrap or used TPR into high-quality pellets without breaking the

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Why Does TPR Soft Rubber Bleed Color After Spray Painting?

I’ve been in the plastics and rubber industry for nearly two decades, and one issue that keeps popping up—especially with TPR (Thermoplastic Rubber)—is color bleeding after spray painting. You’ve spent hours perfecting a TPR product, applied a vibrant coat of paint, and then, to your horror, the color starts migrating, leaving streaks or discoloration that

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Why Is TPR Produced by Twin-Screw Extrusion Not Transparent?

If you’ve ever stood by a twin-screw extruder, watching TPR (thermoplastic rubber) pellets come out hazy or opaque when you were hoping for crystal-clear clarity, you’re not alone. As someone who’s spent years tweaking formulations and fine-tuning extrusion lines in the rubber and plastics world, I’ve chased down this opacity issue more times than I

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What to Do When TPR Injection-Molded Products Stick Together?

Picture this: you’re standing in the workshop, watching a batch of freshly molded TPR (thermoplastic rubber) products come off the injection machine, only to find them stubbornly clinging to each other like best friends at a reunion. As someone who’s spent years knee-deep in the rubber and plastics industry, I know how frustrating this sticking

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How to Solve White Flow Marks on Black TPR Products in Injection Molding?

As someone who’s spent over a decade troubleshooting quirks in the rubber and plastics industry, I’ve seen my fair share of head-scratchers on the production line. One issue that keeps popping up, especially with black TPR (thermoplastic rubber) products, is those pesky white flow marks that mar an otherwise sleek surface. These streaks aren’t just

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How to Prevent Water Ripples on TPR Encapsulated Suction Cups?

Having spent years navigating the ins and outs of the rubber products industry, I’ve tackled my fair share of production challenges, and the issue of “water ripples” on TPR (thermoplastic rubber) encapsulated suction cups is one that never fails to spark frustration. These wavy surface imperfections don’t just mar the product’s appearance—they can compromise suction

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