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Home : Mold Making Additives

* Price: $22.53

*All prices are in Canadian funds.


PMC724 "Part D" Thixo Pint 1 Lb (700526)
PMC724 Part "D" is used as a thickening agent for PMC724 Polyurethane Rubber. PMC-724 PUTS YOU IN CONTROL! Using optional 'Part D', you can thicken PMC-724 to a paste-like consistency for vertical surface brush-on applications or for getting into those hard-to-reach undercuts. If you like to work with a more flexible rubber, optional 'Part C' is available to soften PMC-724 all the way down to a Shore A6.

Typical applications include reproducing sculpture (lost wax process), creating special effects, making fiberglass panel & part molds, on-site architectural restoration and new construction molds. A variety of colors and special effects can be achieved by adding pigments, and for added project dimension, you can foam PMC-724. This rubber will last and perform in production, often for hundreds of castings (depending on what you are casting into the mold). It also exhibits good physical properties and chemical resistance.

Important: PMC-724 does not have a long "library life". Molds will soften and revert to a liquid within 2 to 5 years, depending on exposure to moisture. Smooth-On makes many different mold rubbers that offer a very long library life (25 years and more depending on application).