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![What kind of steel is used for the injection molding molds of PE?]()
What kind of steel is used for the injection molding molds of PE?
Polyethylene (PE) is one of the most widely used general-purpose thermoplastics, including LDPE, HDPE, and LLDPE. It features low viscosity, non-corrosiveness, and excellent melt flow, with a stable i
2026/01/26 injection molding
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![Melt index of common plastics]()
Melt index of common plastics
Melt Flow Index (MFI), or Melt Flow Rate (MFR), is a fundamental metric for evaluating the flowability of thermoplastics. It measures the mass of polymer (in grams) that flows through a capillary die
2026/01/26 Plastic Molds
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![Fixing Loose Inserts in Plastic Injection Molds]()
Fixing Loose Inserts in Plastic Injection Molds
Inserts (including cavity inserts, core inserts, ejector pins, and slide inserts) are critical components of plastic injection molds, and their stability directly affects part quality and mold lifespa
2026/01/24 Plastic Injection Molds
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![How to Optimize Injection Speed in Injection Molding]()
How to Optimize Injection Speed in Injection Molding
Injection speed is a critical parameter that directly determines the flow behavior of the molten plastic within the mold cavity. It significantly impacts part appearance, mechanical properties, and pr
2026/01/24 Injection Molding
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![Key Guidelines for Material Selection in PE Injection Molds]()
Key Guidelines for Material Selection in PE Injection Molds
Polyethylene (PE) is one of the most widely used general‑purpose plastics, valued for its low density, high toughness, chemical resistance, and excellent processability. It finds extensive application
2026/01/24 Injection Molds
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![Dust Prevention Key Points for Injection Molding of Transparent Plastics]()
Dust Prevention Key Points for Injection Molding of Transparent Plastics
Transparent plastics (e.g., PMMA, PC, PET, PSU) are widely used in high-end fields such as electronic optics, automotive interiors, and medical devices due to their excellent optical properties and mo
2026/01/24 Injection Molding
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![Common Plastic Melting Point Comparison Table]()
Common Plastic Melting Point Comparison Table
This comparison table summarizes the melting points and key characteristic data of common plastics, including general plastics, engineering plastics, and special high-performance plastics. It serves a
2026/01/24 Plastic Molds
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![Exhaust Methods for Thin-Wall Injection Molding]()
Exhaust Methods for Thin-Wall Injection Molding
Thin-wall injection molding is a technically challenging process where the cavity wall thickness is typically ≤1mm. The high-speed filling and long flow paths cause air to become trapped and compresse
2026/01/20 Injection Molding
