TPE improves Wavin 2K Pipe Seal Moulding Process Summary Reinforcing Mexichem’s business strategy of vertical integration, Mexichem Specialty Compounds and Wavin Limited identified a synergy which brings benefits to both companies and to Mexichem. Wavin, had been using a ThermoplasticVulcanisate (TPV) material, on a 2K moulding process, for the production of 110mm & 160mm pipe seals. This process had been in operation for 5 years. The client wished to switch to a Thermoplastic Elastomer material (TPE); however the existing TPE products did not have the compression set and shrinkage performance as the existing TPV product. The problem The incumbent’s TPV material had been in production for many years, with the 2K pipe seal production cells, which had been designed around the TPV materials p

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