How to add Surface Textures to Molded Plastic Parts?

June 30 , 2025

sofeast

Adrian hosts and Paul Adams, one of Sofeast’s senior engineers joins him to talk about how to add surface textures to plastic injection mold tooling and get the finish that we want on our plastic molded parts.

 

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Episode sections

  • 00:00 – Greetings and introduction to textures for plastic injection molded parts.
  • 02:55 – General points about getting started adding textures.
  • 07:59 – Draft Angle rules of thumb for mold design with textures in mind.
  • 14:58 – 5 Common methods used to add surface textures to the mold tooling itself.
  • 27:46 – Key benefits of Chemical Photoetching.
  • 30:30 – Roughness: Ra Value and Mold Tool Textures
  • 34:27 – Using mold texture books to help specify your texture/s
  • 37:29 – Some examples of typical textures from the Yik Sang texture book.
  • 43:20 – Summary and wrap-up.

 

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