Physical properties Working temperature (permanent) Working temperature (short term) Classification / standards: Application area: Protection pipe which is used for a specially applications in plumbing and heating tubes. Black, heat resistant Polyethylene (PE), free of halogens and other harmful ingredients. Not flame-retardant. PE is resistant against nearly every medium (alcohol, fat, mineral oil, motor fuel). Only concentrated and strong oxidising acids can affect PE. x = will be adapted, depending on the requirements the customer has on the protection pipe. Subject to modifications and amendments! / April 2020 MAINCOR Rohrsysteme GmbH & Co. KG Maincor 1 97478 Knetzgau, Germany