Home » Products » Industry » Hot Runner Cold Runner Polished Finish Plastic Injection Mold for PC/PA/PA66 ABS Household Product and Plastic Product

Hot Runner Cold Runner Polished Finish Plastic Injection Mold for PC/PA/PA66 ABS Household Product and Plastic Product

This specification covers injection mold systems suitable for manufacturing household and plastic products using PC (Polycarbonate), PA (Polyamide), PA66, and ABS materials. The description includes both hot runner and cold runner systems with polished finish requirements.
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  • YIXUN mold

  • 8480419090

Overview

This specification covers injection mold systems suitable for manufacturing household and plastic products using PC (Polycarbonate), PA (Polyamide), PA66, and ABS materials. The description includes both hot runner and cold runner systems with polished finish requirements.

Material Suitability

Material Characteristics Recommended Runner System
PC (Polycarbonate) High strength, transparency, heat resistance Hot runner preferred
PA/PA66 (Nylon) Tough, wear-resistant, moisture-sensitive Hot runner recommended
ABS Good impact resistance, versatile Both systems suitable

Runner System Comparison

Hot Runner System

  • Advantages:

    • No runner waste (material saving)

    • Faster cycle times

    • Better for heat-sensitive materials

    • Reduced pressure drop

  • Applications: High-volume production, transparent parts, engineering plastics

Cold Runner System

  • Advantages:

    • Lower mold cost

    • Simpler maintenance

    • Suitable for multi-color molding

    • Better for frequent material changes

  • Applications: Lower volume, prototype development, color changes

Polished Finish Requirements

  • Surface Finish: SPI-A1 or higher polish standard

  • Applications: Household product visible surfaces, aesthetic parts

  • Benefits:

    • Enhanced product appearance

    • Easier part ejection

    • Reduced surface defects

Household Product Applications

  1. Kitware items - containers, utensils

  2. Appliance components - housings, buttons

  3. Furniture parts - fittings, decorative elements

  4. Storage products - bins, organizers

  5. Bathroom accessories

Design Considerations

  • Gate design: Balanced for multi-cavity molds

  • Cooling system: Efficient for thermal management

  • Ejection system: Adequate for polished surfaces

  • Venting: Proper to avoid burn marks

Recommendation

For PC, PA, PA66 materials, hot runner systems are generally recommended due to better thermal control and material savings. For ABS applications, the choice depends on production volume and cost considerations.

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