waterproof

  • Urethane Rubber

    Urethane Rubber

    This is urethane rubber (Smooth-On Simpact 60A) applied to plaster tape and Li-Qua-Che (Activa). Appearance: Added a rubbery, glossy appearance. It also made the Li-Qua-Che appear much more yellowed and cracked below the surface of the rubber while it cured. Physical changes: The surface is much more grippy and even a bit sticky. Utility: Adds grip, waterproofing, and…