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Polypropylene (PP) is a widely used, semi-crystalline material. It can be extensively compounded to provide a wide range of properties at a wide range of costs. In general, Polypropylene is a low temperature material with excellent chemical resistance.

4PROP® is the registered trade name for Polypropylene compounds produced by 4PLAS.

Many of our 4PROP® products are also available as high quality recycled materials offering considerable savings over prime and have similar properties and consistency. Long fibre reinforced materials in standard grades and custom compounds, ensure that 4PLAS can truly offer a complete range.


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4PROP® compounds offer the following key properties:

  • Good impact resistance
  • Excellent chemical resistance
  • Good electrical properties
  • Low moisture absorption
  • Good surface finish
  • Cost effective performance
  • Good insulating properties
  • Excellent flow and processing properties


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The 4PROP® Polypropylene standard range includes the following products:

For individual grades or to search using a wide range of criteria please use our interactive material selector.

Our standard range is comprehensive, however should you not find what you are looking for within the data available on this website, we offer Custom Compounds to suit the requirements of specific applications.

If you would like advice on selecting suitable materials, or you cannot find what you are looking for, please contact us and one of our team will be pleased to assist you.

4Plas Account

An account provides you with full online access to data and documentation for all 4PLAS materials, the 4PLAS brochure, plus the facility to print and download any document.