Silpak R-1328 Tin RTV Silicone System

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Silpak R-1328 Tin RTV Silicone System
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	R-1328 is a 25 Shore A, tin Base (condensation cure), two-component, room temperature cure (RTV) rubber designed primarily as general purpose, high-strength rubber for making molds and flexible rubber parts. Use molds to cast polyester, urethane, epoxy, low melt metal (350°F), thermoplastics (polyvinyl), wax, soap, plaster, and any material where a release free casting is required. Features: Excellent physical properties High tear resistance Long working life finished molds Low viscosity for easy pouring Additional Activators available for faster cure and brush on applications. Applications: Use molds to cast polyester, urethane, epoxy, low melt metal (350°F), thermoplastics (polyvinyl), wax, soap, plaster, and any material where a release free casting is required. Production molds Production parts Information provided by Silpak a division of Polytek Development Corp.
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Physical Properties	Original Value	Comments

Specific Gravity	1.18 g/cc
Viscosity	50 cP	Initial, Part B
	20000 cP	Initial Mixed
	30000 cP	Initial, Part A
Storage Temperature	64.0 - 86.0 °F

Mechanical Properties	Original Value	Comments
Tensile Strength	360 psi
Elongation at Break	500 %
Tear Strength	135 pli

Processing Properties	Original Value	Comments
Cure Time	16.0 hour	Demold
Pot Life	90.0 min
Shelf Life	6.00 Month

Descriptive Properties
Color	White Base / Green Activator
Mix Ratio	100 Base : 10 Activator	by weight

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PSILPAK017 / 318654

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