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Injection Molding Defect: Fiber Floating – Root Causes and Fixes
2025-06-20
In the injection molding process of glass fiber-reinforced materials, fiber floating is one of the most common surface defects. It appears as an uneven surface caused by exposed glass fibers on the part. This issue not only affects the visual appearance of the product but can also negatively impact secondary processes such as painting, coating, or electroplating. Today, we will take a deep dive in...
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Automotive Interior Odors: An Unavoidable Challenge for Material Engineers
2025-07-10
Odor is both a sensory experience and a perceived measure of quality. In the confined space of a car cabin, the "new car smell" from plastics is not a symbol of luxury—instead, it often becomes a major source of consumer complaints. This article, grounded in engineering practice, systematically explores the sources, mechanisms, analytical methods, and controllable strategies related to odor. It ai...
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The Science and Strength of PPS: A Deep Dive into Polyphenylene Sulfide
2025-07-21
Introduction Polyphenylene Sulfide (PPS) is a semi-crystalline thermoplastic engineering polymer composed of alternating benzene rings and sulfur atoms in its molecular backbone, with the structural formula -[Ph-S]n- (Ph representing a phenyl ring). This unique combination of rigidity and stability has earned PPS the nickname “Plastic Gold.” PPS Long Glass Fiber Reinforced Four Core Properties of ...
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PEEK Material: Properties, Processing Methods, and Key Applications
2025-07-23
Polyether Ether Ketone (PEEK) is a high-performance engineering thermoplastic known for its exceptional resistance to high temperatures, chemicals, and mechanical stress. It offers outstanding thermal stability with a continuous use temperature of up to 250°C, along with excellent chemical resistance against a wide range of aggressive substances. PEEK exhibits high mechanical strength and rigidity...
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Factors Influencing Shrinkage in Polymer Materials
2025-08-13
In the field of polymer applications, shrinkage rate is a critical parameter that profoundly affects the dimensional accuracy, performance, and final application outcomes of polymer products. Whether in everyday plastic items or precision components used in advanced industrial sectors, understanding and controlling the shrinkage of polymer materials is essential to ensuring product quality and fun...
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Customer Project: PA12 filled Long Carbon Fiber in Bike Bottle Cage
2025-08-27
Application Background The bicycle bottle cage may look like a small accessory, but it plays an essential role. It needs to securely hold a bottle in place on rough roads, withstand outdoor exposure to rain, temperature shifts, and UV, while still allowing smooth insertion and removal. At the same time, riders expect it to be lightweight, durable, and visually aligned with the premium image of mod...
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How Much Glass Fiber is Needed to Make Polypropylene Truly Fire-Resistant?
2025-08-29
In modern industrial fields, glass fiber reinforced polypropylene (PP/GF), with its low density, excellent heat and creep resistance, and high cost-performance ratio, has become a “rising star” in industries such as electronics, aerospace, and automotive manufacturing. This material is often used to produce lightweight and thin-walled components as a substitute for steel and conventional engineeri...
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Composite Material Repair: Process, Methods, and Key Points
2025-09-01
Overview Composite material repair refers to the technology of restoring the mechanical properties, structural integrity, and functional performance of composite components (such as carbon fiber reinforced composites and glass fiber reinforced composites) that have been damaged during use or processing (e.g., cracks, delamination, holes, wear). With advantages such as high specific strength and ex...
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