The companies joined to the section for thermoplastic sheets, named “pro-K Industrieverband Halbzeuge und Konsumprodukte aus Kunststoff e.V.”, describe by means of the present technical data sheet a process to classify the quality of surfaces extruded of defined branded goods without containing regrind.
2. General information about the classification of surface defects
3. Test conditions
4. Classification of defects depending on the position of the final application
5. Criteria for judging surface defects
6. Draft of test conditions