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Determination of ash content

Test methods

A sample is calcined to eliminate organic matter and the residue is maintained at a high temperature until a constant mass is achieved.

Products to test

Plastics piping systems for building and discharge of waste water made of:

  • Unplasticized poly (vinyl chloride) (PVC-U) (structured wall)
  • Polypropylene (PP)

Recycled plastics

  • Polyethylene UNE 53978/EN 15344
  • Polypropylene UNE 53972/EN 15345
  • PVC EN 15346/ UNE EN 15346
  • Polystyrene UNE 15342/ UNE EN 15342