Silpak RU-575 Water Clear Polyurethane Plastic

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

Silpak RU-575 Water Clear Polyurethane Plastic
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Silpak RU-575 is an easy 1A:1B, by volume, system that cures quickly to a water clear, strong, plastic. It develops hardness and can be demolded rather quickly. It has a high heat deflection temperature which is useful in certain prototyping applications. This product has low viscosity and a long pot-life which facilitates easy mixing, excellent detail penetration, and easy degassing through vacuum or pressure casting techniques for bubble-free castings. Features: Crystal clear Resistance to yellowing with UV exposure Can be machined, drilled, and sanded Long working time Low shrinkage upon cure Reproduces fine detail Tough and hard but not brittle Applications: Prototypes Lenses Model Windows Clear injection plastic parts Decorative objects Encapsulation Information provided by Silpak a division of Polytek Development Corp.
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Specific Gravity	1.06 g/cc
Viscosity	600 cP	Initial Mixed
Linear Mold Shrinkage	0.0018 in/in
Storage Temperature	73.0 °F

Mechanical Properties	Original Value	Comments
Hardness, Shore D	75 - 80
Tensile Strength	6800 psi
Elongation at Break	6.0 %
Modulus of Elasticity	133.96 ksi
Flexural Strength	8478 psi @Strain 5.0 %
Flexural Modulus	150992 psi

Processing Properties	Original Value	Comments
Cure Time	1.00 hour @Thickness 6.35 mm	Demold
Pot Life	15.0 min	1-lb mix
Shelf Life	6.00 Month

Descriptive Properties
Color	Water Clear
Heat Deflection Temp	138°F
Max Exotherm	228°F
Mix Ratio	100A:90B	by weight
	1A : 1B	by volume
Specific Volume	26.1 in3/lb

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

PSILPAK009 / 318646

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message