Hytrel is a thermoplastic polyester elastomer developed by DuPont. It’s a product that combines properties of both plastic and rubber, along with the processability of thermoplastics (see Tech Talk below for a definition of thermoplastic). Hytrel resin is available in styles for injection molding, melt casting, and extruding.

In extruded tubing form, Hytrel is used in applications such as general fluid transfer, appliances, propane gas delivery, air sampling, computer equipment, lawn and garden equipment, vending machinery, and aerospace products. It offers low permeability to refrigerant and gases and low adherence of particulates. Hytrel resists oils, chemicals, and abrasion.

NewAge offers tubing of Hytrel as a lining in PVC tubing. It is a co-extruded product where the inner core of Hytrel is extruded first, then farther down the production line, the outer jacket of PVC is extruded around the core. Called simply Hytrel-lined PVC, the tubing is typically used where different performance is required for the inside and outside of the tubing. For instance, a harsh environment application involving the transfer of oil may need the durability of PVC for the exterior with the oil resistance properties of Hytrel where the fluid contacts the interior.

Click here to view NewAge Industries’ Hytrel-lined PVC tubing.

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