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SBC based TPEs with high mold shrinkage may exhibit sinks and shrink voids in tools with large variations in wall section thickness. In parts that fill from a thin wall to a thick section, the polymer may break away from the wall as it enters the thick section. To make sure the degating process does not pull a hole in the part, the cross sectional size of the gate should be between 1/10 and 1/4 the thickness of the part wall section where the gate is located.

SBC based TPEs with high mold shrinkage may exhibit sinks and shrink voids in tools with large variations in wall section thickness. In parts that fill from a thin wall to a thick section, the polymer may break away from the wall as it enters the thick section. To make sure the degating process does not pull a hole in the part, the cross sectional size of the gate should be between 1/10 and 1/4 the thickness of the part wall section where the gate is located.

We leveraged the World Resources Institute Aqueduct Water Risk Tool to develop our water stress evaluation framework, which identified that 61% of our facilities are located outside of extremely high or high water stress areas (detailed analysis in Metrics section). Information on water stress, water withdrawal, recycling/reuse, and discharge is provided in the Metrics section of this report or in Avient’s CDP Water Security Report. We understand that nature-related risks are highly location-specific, so each of our sites globally is assigned a biodiversity risk level based on the WWF Biodiversity Risk Filter (more details of the analysis in Metrics section).

Filling from thin to thick sections. Uneven filling of section. Reduce wall section.

Filling from thin to thick sections. Uneven filling of section. Reduce wall section.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information.