Description
Unit Size | Net Weight |
Gallon Kit | 24 lb |
Five Gallon Kit | 120 lb |
PMC746 Polyurethane rubber was developed to make molds for casting gypsum plasters. Like PMC744, this product is well suited for use as a rubber case mold - especially large case molds where extra rigidity is required. Due to its durability and moisture resistant properties PMC746 is also used by zoos and museums for a variety of mold-making, display and exhibit applications. PMC746 contains no mercury.
Other applications include making plaster block molds, reproducing ornamental plaster (architectural restoration), pre-cast concrete molds, casting waxes, Smooth-On rigid polyurethanes and epoxies and also formaking a variety of special effects for movies and theatres.
Other applications include making plaster block molds, reproducing ornamental plaster (architectural restoration), pre-cast concrete molds, casting waxes, Smooth-On rigid polyurethanes and epoxies and also formaking a variety of special effects for movies and theatres.
Properties
Technical Properties
Mix Ratio by Weight | 2A:1B |
Mix Ratio by Volume | 2A:1B |
Pot Life | 15 minutes |
Cure Time | 16 hours |
Color | from Amber to Blue |
Shore Hardness | 60A |
Mixed Viscosity | 1,200 cps |
Shrinkage | < .001 in./in. |
Specific Volume | 26.9 cu. in./lb. |
Specific Gravity | 1.03g/cc |
Tensile Strength | 700 psi |
100% Modulus | 220 psi |
Elongation @ Break | 650% |
Die C Tear Strength | 100 pli |
Documentation
Special Order Items
PRODUCT ADVISORY:
The products listed below are currently SPECIAL ORDER items and require pre order.
Lead times may vary - For more information please contact our staff.
700600 - PMC 746 - Gallon Kit
700610 - PMC 746 - Five Gallon Kit
The products listed below are currently SPECIAL ORDER items and require pre order.
Lead times may vary - For more information please contact our staff.
700600 - PMC 746 - Gallon Kit
700610 - PMC 746 - Five Gallon Kit
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