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  1. seppederoeck

    PA versus PP in warm conditions (hot weather)

    Thanks both. I will suggest our supplier to test impact modified POM and PA with your comments above. Regarding modified POM, we do have to watch out for chemical additives as we have to comply with toy standards.
  2. seppederoeck

    PA versus PP in warm conditions (hot weather)

    Hi all, I am in discussion with our factory to change POM material of a part which needs to be quite strong. The POM material is very tough but breaks on impact (when dropped from a certain height). Factory now suggests to change to PP while I would prefer PA for its extra strength. The PP...
  3. seppederoeck

    Deciding plastic type / mould type

    Hi Pat, Thanks, but why would you not recommend ABS ? Personally, I didn't prefer ABS as to a consumer it sounds/looks more brittle (it actually is, although rigidity is stronger than PP). For this item I prefer the "softer" kind of plastic. But I am considering ABS as it can be more shiny...
  4. seppederoeck

    Deciding plastic type / mould type

    Hi all, I am fairly new to plastics engineering and we are developing a small bike frame in plastics. As from the prototyping we did, it is quite hard to test the strength of the bike in each different material we are doubting which plastic to make. I know these are probably questions we...

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