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Avient is a recognized leader in the overmoldingof thermoplastic elastomers (TPEs), offering excellent adhesion to substrates like polypropylene, polyethylene, PC, ABS, acetal, and nylon. Our innovative TPE technologies ensure optimal adhesion in both insert and two-shot molding processes. Collaborating with Avient provides access to a world-class team with expertise in component design, tooling, molding processes, and formulation development.

The GLS™ TPE Overmolding Guide is a compilation of more than 25 years of experience in the development, design and processing of overmolding TPEs, based on contributions from a variety of Avient and industry sources.

With more information than the online sections below, this guide covers

包覆成型 TPE 选择

  • GLS 产品线
  • 材料流动行为

部件设计

  • 一般概念
  • 流长和壁厚
  • 收缩和翘曲
  • 关断设计
  • 机械联锁设计

模具设计

  • 模具结构
  • 模具布局
  • 流道配置和设计
  • 热流道系统
  • 浇口设计
  • 浇口类型比较

加工

  • 机器选择
  • 烘干
  • 染色
  • 吹扫
  • 再研磨注射压力和速度
  • 注射压力和速度
  • 熔体温度
  • 基材温度
  • 模具温度
  • 冷却时间
  • 影响附着力的因素

故障排除指南

  • 问题和纠正措施

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