Silpak RU-430 Urethane Elastomer RTV

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Silpak RU-430 Urethane Elastomer RTV
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	RU-430 A/B—30 A Shore is a liquid, two-component, Urethane Elastomer RTV that is easy to process. This system is designed with high elongation properties with good tear resistance and offers excellent library shelf-life. Use for making molds or rubber parts. Molds are used to cast concrete, wax, and plaster parts. **Use RU-430 C softening agent to reduce hardness. Part B should be stirred or shaken thoroughly to ensure that any separated material is remixed. Features: Easy to Process with 1 to 1 Mix Ratio Low Viscosity for Capturing Detail Neutral Color for Custom Coloring Good Durometer for Easier Demolding Applications: Use for making molds or rubber parts. Molds are used to cast: Concrete Plaster parts Wax Information provided by Silpak a division of Polytek Development Corp.
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Physical Properties	Original Value	Comments

Specific Gravity	1.01 g/cc
Viscosity	1200 cP	Initial Mixed
Storage Temperature	65.0 - 85.0 °F

Mechanical Properties	Original Value	Comments
Hardness, Shore A	30
Tensile Strength	200 psi
Elongation at Break	550 %
Tear Strength	50.0 pli	Die C

Processing Properties	Original Value	Comments
Cure Time	16.0 hour @Temperature 22.8 °C	Demold
Shelf Life	6.00 Month

Descriptive Properties
Color	Amber/Varies
Mix Ratio	1A:1B	by weight
Pour time	20 min
Specific Volume	27.5 in3/lb

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PSILPAK006 / 318643

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