Custom auto part

Product name Custom auto part
Product Material POM
Product Type Automotive part
Process Injection molding
Runner Cold sprue
Cavity 1X1

This is a cold sprue injection mold for auto parts and the material plastic is POM.POM material has a low melting point,have a pungent smell after melting, is prone to air marks, and is difficult to change through tuning ..During the mold test, two issus come up.

Custom auto part
Custom auto part

Issue: Too much delamination on the part surface.


Remedy: A.Increase shooting speed


B.Improve mold venting  


Custom auto part

Issue:Demolding difficulties and there is delamination on part surface


  1. This peeling is because there are other rubbers in the barrel, and other rubbers should be cleaned first.
  2. The front membrane receives hot water. Improved mold release through thermal expansion and contraction


The shrinkage problem of POM products is serious, It is best to cool the freshly produced product in cold water first.

Our factory is equipped with various size of injection machine ranging in tonnage from 55 tons to 610 tons and shot capacities ranging from 1.3 oz to 80 oz. We can meet any of your custom injection molding needs using different types of plastics including ABS, PC, PP, Nylong and so on. We produce custom injection molded finished products and parts for direct shipment to oversea end customers  We produce standard and custom plastic products for various industries including Automotive, House hold application, Medical and more.

Since 2005, HS Mold has specialized in custom, high-volume plastic injection molding. Our team are committed to the success of your project and works hard to meet or exceed the project’s requirements.


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