Rigid High Impact Cast Urethane (Shore 70 D)

Checkerspot Cast PU 1004 was developed to balance impact resistance and tensile strength, including in cold temperatures. Potential applications include board sidewalls in for snow- and watersports, and other applications that require a rigid material. This two-component polyurethane casting system formulated with estimated 58% biobased content (ASTM D6866). It gels in 17-21 minutes and can be removed from the mold in 12 hours. For accelerated curing, post-bake at 80C (176F) for 30 minutes. The pigmented material (with dispersion loading at 2% by total weight) cures to a Shore hardness of 70 D.