Why TPE Causes Material Buildup at the Injection Molding Feed Inlet

Having worked in the plastics industry for over a decade, I’ve encountered my fair share of quirks with injection molding, especially when processing TPE (thermoplastic elastomer). One issue that crops up time and again is material buildup at the feed inlet, often described as “flowering” or “blooming.” It’s a frustrating problem—clogged inlets slow production, waste […]

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Why TPR Pellets Fail to Cut Properly in 30°C Water

As someone who’s spent years in the polymer processing industry, I’ve seen my fair share of challenges with TPR (thermoplastic rubber) pellet cutting, especially in underwater pelletizing systems. When TPR pellets don’t cut cleanly at 30°C water temperature, it’s frustrating—jagged edges, stringing, or clumping can ruin an entire batch. Over time, I’ve learned that this

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Does High TPE Raw Material Temperature Lead to Blistering?

In the dynamic world of thermoplastic elastomer (TPE) processing, questions about material behavior and process optimization are commonplace. As someone who has spent years immersed in the intricacies of TPE manufacturing, from raw material selection to finished product inspection, I’ve encountered a wide range of inquiries. One that frequently arises is: Does setting the TPE raw

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Does the Presence of Filaments in TPE Cast Film Indicate Excessive Humidity?

As someone deeply entrenched in the TPE (Thermoplastic Elastomer) processing industry for years, I’ve encountered my fair share of challenges and questions from both newcomers and seasoned professionals. One recurring query that often pops up is: Does the appearance of filaments or “stringing” in TPE cast film suggest that the humidity levels are too high during

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How to Tell If the Wheels of Your Suitcase Are Made of TPE Material?

As someone who has been deeply involved in the luggage industry for many years, I’ve seen countless suitcases come and go, each with its own set of features and materials. One question that often arises, especially among travelers who are particular about the quality and durability of their luggage, is: How can I tell if the

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Will TPE Toys Become Increasingly Hard Over Time?

In the world of adult toys, TPE (Thermoplastic Elastomer) has emerged as a popular material due to its unique combination of flexibility, softness, and affordability. However, one question that often arises among consumers and enthusiasts alike is: Will TPE toys become increasingly hard over time? As someone who has been deeply involved in this industry for years,

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What Happens When Mixing TPE Regrind of Different Hardnesses

As a veteran in the TPE (Thermoplastic Elastomer) extrusion and molding industry, I’ve spent years navigating the intricacies of material handling, from formulation to recycling. One question that pops up frequently, especially among those managing production costs, is whether it’s feasible to mix regrind material (also known as water mouth or sprue material) of different

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How to Achieve a Matte Finish for Extruded TPE Products

As someone who’s been in the TPE (Thermoplastic Elastomer) extrusion industry for over a decade, I’ve seen countless projects where the final product’s appearance made all the difference. A matte finish on extruded TPE products can elevate their aesthetic, improve functionality, and meet specific market demands. But achieving that perfect non-glossy, sophisticated look isn’t always

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Does Injection-Molded TPE Sprue Need to Be Smoother?

Having spent over a decade in the injection molding industry, specializing in TPE (Thermoplastic Elastomer) manufacturing, I’ve worked with countless molds, materials, and production setups. One question that often surfaces, especially from those new to TPE processing or quality control, is whether the sprue—the leftover material where molten TPE enters the mold—needs to be smoother.

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