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    Hydrolitically stable polyurethane

    Nov. 30, 2005
    Polyurethane Duralst 4203 sealing material is suitable for environmentally friendly fluids and has been tested to ASTM D3131-81 (2001) for hydrolytic stability at 185° F and 98% relative humidity. In testing, tensile strength decreased only 0.7% ...
    Hydraulicspneumatics Com Sites Hydraulicspneumatics com Files Uploads Custom Inline Archive Www hydraulicspneumatics com Content Site200 New Product 12709spotlight0 00000005913
    Polyurethane Duralst 4203 sealing material is suitable for environmentally friendly fluids and has been tested to ASTM D3131-81 (2001) for hydrolytic stability at 185° F and 98% relative humidity. In testing, tensile strength decreased only 0.7% after 72 hr and 4.6% after 576 hr. Seals available in many configurations for rod, piston, and special sealing applications.
    American High Performance Seals Inc.,     (412) 788-8815, www.ahpseals.com

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