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![How to Improve White Marks on Injection Molded Parts]()
How to Improve White Marks on Injection Molded Parts
White marks (ejector white marks, stress whitening) are common appearance defects in injection molding, especially on ribs, bosses, deep cavities and thin walls. The root cause is excessive local stre
2026/03/20 Injection Mold
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![Material Selection for PTFE Molds]()
Material Selection for PTFE Molds
Material selection for PTFE molds must be based on the special characteristics of PTFE: high temperature resistance, strong corrosion resistance, low friction, high thermal expansion and low mechanica
2026/03/20 Injection Molding
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![How to Ensure the Machining Accuracy of Injection Molds]()
How to Ensure the Machining Accuracy of Injection Molds
The machining accuracy of injection molds directly determines the dimensional stability, surface quality and mass production consistency of plastic parts. It is also a core factor that affects product
2026/03/20 Injection Molds
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![ASA Plastic Injection Molding Guidelines]()
ASA Plastic Injection Molding Guidelines
ASA (Acrylonitrile-Styrene-Acrylate) is a high-weatherability polymer, widely used in outdoor products (automotive exteriors, photovoltaic parts, construction materials) for its UV resistance, impact
2026/03/19 Plastic Injection Molding
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![How to Select Mold Steels for LDPE]()
How to Select Mold Steels for LDPE
LDPE (Low-Density Polyethylene) is one of the most widely used general-purpose polymers, favored for its excellent flowability, toughness, chemical resistance, and low cost. It is commonly used in pac
2026/03/18 Injection Molding
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![How to Design a More Rational Mold Ejection System]()
How to Design a More Rational Mold Ejection System
The ejection system is one of the most important structures in injection molds. It directly determines whether parts can be demolded smoothly without deformation, scratches, whitish marks, or cracks.
2026/03/18 Plastic Molds
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![How to Select Gate Location in Injection Molds]()
How to Select Gate Location in Injection Molds
Gate location is one of the most critical decisions in mold design. It directly influences filling balance, appearance, dimensional accuracy, internal stress, and defect formation. A proper gate ensur
2026/03/17 Injection Molds
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![How to Reduce Reject Rate in Injection Molding]()
How to Reduce Reject Rate in Injection Molding
The reject rate directly affects production cost, delivery efficiency, and profitability in injection molding. Reducing rejects requires a systematic approach covering materials, molds, machines, proc
2026/03/17 Injection Molding
