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Why do injection molded parts develop sink marks and dimples? 2024-09-02

(1) Improper control of molding conditions If the injection pressure is too low, the injection and holding time is too short, the injection speed is too slow, the material temperature and mold temperature are too high, the cooling of the plastic part is insufficient, the temperature is too high during demolding, the temperature around the insert is too low, or there is insufficient material supply...

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(Ⅲ) How to deal with flow marks on injection-molded parts? 2024-09-27

Mold temperature too low Cause: The low mold temperature causes the molten plastic to cool too quickly in the runner, preventing full fusion. Solution: Increase the mold temperature to ensure the molten plastic flows smoothly and fuses completely. Injection speed too slow Cause: Slow injection speed causes the plastic to flow slowly, extending cooling time and forming weld lines. Solution: Increas...

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Overview of 8 Non-Destructive Testing (NDT) Methods for Composite Materials 2024-11-01

Composite materials are new materials created through advanced material preparation techniques that combine components with different properties in an optimized manner. In the 1940s, due to the needs of the aviation industry, fiberglass-reinforced plastics (commonly known as fiberglass) were developed, marking the beginning of the term "composite materials." After the 1950s, high-strength and high...

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Beyond Humanoid Robots: Where Else Can PEEK Materials Revolutionize Industries? 2024-12-16

As a leader in specialty polymers, Polyether Ether Ketone (PEEK) plays a crucial role in numerous fields. Its unique molecular structure provides excellent properties such as high-temperature resistance and chemical corrosion resistance, making it an indispensable material in modern industries, healthcare, aerospace, and more. PEEK has a profound impact on driving technological upgrades and innova...

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Key Applications of PA66: Exploring Its Two Major Fields 2024-12-23

As one of the most widely used nylon products, PA66 is renowned for its high strength, excellent wear resistance, and superior lubricity, making it widely applicable in fields such as engineering plastics, industrial yarns, and civilian threads. According to market data, approximately 59% of global PA66 consumption is used in engineering plastics, while 41% is utilized in synthetic fibers. Long Gl...

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Analyzing Carbon-Plated Running Shoes: Material Applications in Marathon Performance 2025-01-02

In recent years, carbon-plated running shoes have rapidly risen to prominence in the marathon community, becoming a favorite among many runners. The widespread appeal of these shoes lies in their use of supercritical foam materials for the midsole, which offer exceptional lightweight properties and superior cushioning with rebound performance. Additionally, the carbon plate reinforces the midsole ...

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Does Filling Glass Fiber to Polypropylene Make It Brittle? 2025-01-03

Filling glass fiber (GF) to polypropylene (PP) is a common reinforcement method aimed at improving the material's mechanical properties, such as rigidity, strength, and heat resistance. However, the addition of glass fiber can indeed affect the material's toughness and fracture behavior, potentially making it more brittle. Polypropylene filling Long Glass Fiber Pellets Performance Changes of Glass...

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Game On: Composite Materials Revolutionize Pickleball with Performance and Sustainability 2025-01-10

Since gaining attention after the COVID-19 , Pickleball has quickly become a popular sport, blending elements of tennis, badminton, and table tennis—a true "hybrid" game. According to Market. us, the pickleball market is projected to reach a scale of $4 billion over the next decade, with paddles accounting for 12% of the market share. The use of advanced composite materials in pickleball pad...

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How to Resolve Significant Color Mismatch in Injection Molding: Expert Tips for Consistent Results 2025-02-24

1. Raw Material Quality or Batch Variations: Cause: Differences in raw materials (especially masterbatch) from different batches may lead to color mismatch, or unstable raw material quality can result in inconsistent product colors. Solution: Ensure Consistent Raw Materials: Choose reliable suppliers and perform color difference tests whenever a new batch of materials is used to ensure color consi...

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The Fast Guide to PA66: Strengths, Weaknesses, and Why It's a Game Changer for Your Projects 2025-02-27

Advantages Exceptional Mechanical Properties: PA66 offers extremely high tensile strength and rigidity, making products made from it incredibly strong and durable. Components like automotive engine parts and industrial gears can withstand tremendous pressure and friction while maintaining stable operation without deforming or damaging, ensuring an exceptionally long service life. Outstanding Heat ...

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Customer Project: PP filled 40% Long Glass Fiber in Office Chairs 2025-03-24

Introduction In the modern office furniture industry, material performance is critical to ensuring comfort, durability, and eco-friendliness. To address the shortcomings of traditional office chairs in strength, weight, customization, and environmental impact, we have developed a composite material based on plastic rice granules—PP filled with 40% long glass fiber. This innovative material not onl...

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Choosing the Right Fiber Content for Long Fiber Reinforced Composites 2025-04-01

Long fiber reinforced composite materials, including both long glass fiber and long carbon fiber, are widely used in industries such as automotive, aerospace, power tools, home appliances, and electronics due to their exceptional mechanical properties, high-temperature resistance, and dimensional stability. However, choosing the appropriate fiber content is crucial to ensure optimal material perfo...

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