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Characteristics of polyurethane rubber for making mold
l No deformation
l High tear and tensile strength
l Without vacuum pumping
l Products are no shrinkage and non-toxic.
Applications of polyurethane rubber for making mold
Casting most materials , such as wax, gypsum plaster , concrete, specialty concrete, Acrylic resin, polyester resin , epoxy resin , polyurethane rubber, resin or foam . Acceptable for some resins . Not acceptable for molten metals .