Technical Data Sheet Harkness Industries MP 850 Polyurethane Composition MP 850 is a high performance polyester based urethane. This polyurethane is fom1ulated to give an excellent balance of properties for a wide variety of applications including springs bushings scraper blades die cutting pads bumpers chute liners wheels tires and many more. Physical Properties Shore A Hardness ........................................... 85 - 5 LOO Modulus psi Mpa .................................... 600 4.2 300 Modulus psi Mpa ......... ..... ................ .. 1500 l0.4 Tensile psi Mpa .......................................... 6000 41.4 Elongation
