PMC 746

SKU: 700600

Size: Gallon Kit
Price:
$252.30

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 Ð 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.
Properties
Technical Properties
Mix Ratio by Weight 2A:1B
Mix Ratio by Volume 2A:1B
Pot Life 15 minutes
Cure Time 16 hours
Color Amber
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
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