RAMPF RAKU® TOOL InnoClear™ OC-5273 Polyurethane

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RAMPF RAKU® TOOL InnoClear™ OC-5273 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	High heat polyurethane Key Properties: Excellent physical properties after RT cure Free of mercury, MOCA or TDI Excellent optical clarity as well as U.V. stability With a short post cure, exceptional heat resistance may be achieved Applications: For room temperature hand-batch or vacuum assisted casting methods Cure 1: 7 days at 77°F Cure 2: 24 hours at 77°F + 4 hours at 175°F Information provided by © RAMPF Tooling Solutions GmbH & Co. KG
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Physical Properties	Metric	English	Comments

Density	1.08 g/cc	0.0390 lb/in³	Hardener; ASTM D-792
	1.14 g/cc	0.0412 lb/in³	Cure 1; ASTM D-792
	1.14 g/cc	0.0412 lb/in³	Cure 2; ASTM D-792
	1.16 g/cc	0.0419 lb/in³	Resin; ASTM D-792
Viscosity	900 cP	900 cP	Resin; ASTM D-2393
	1000 cP	1000 cP	Mix; ASTM D-2393
	2100 cP	2100 cP	Hardener; ASTM D-2393
Linear Mold Shrinkage	0.0010 - 0.0050 cm/cm	0.0010 - 0.0050 in/in	Cure 1; ASTM D-2566
	0.0010 - 0.0050 cm/cm	0.0010 - 0.0050 in/in	Cure 2; ASTM D-2566
Storage Temperature	15.0 - 30.0 °C	59.0 - 86.0 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	80 - 90	80 - 90	Cure 1; ASTM D-2240
	80 - 90	80 - 90	Cure 2; ASTM D-2240
Tensile Strength	62.1 MPa	9000 psi	Cure 1; ASTM D-638
	68.3 MPa	9900 psi	Cure 2; ASTM D-638
Elongation at Break	4.0 %	4.0 %	Cure 1; ASTM D-638
	6.0 %	6.0 %	Cure 2; ASTM D-638
Flexural Strength	107 MPa	15500 psi	Cure 2; ASTM D-790
	110 MPa	16000 psi	Cure 1; ASTM D-790
Flexural Modulus	2.41 GPa	350 ksi	Cure 1; ASTM D-790
	2.41 GPa	350 ksi	Cure 2; ASTM D-790
Izod Impact, Notched	0.374 J/cm	0.700 ft-lb/in	Cure 1; ASTM D-256
	0.427 J/cm	0.800 ft-lb/in	Cure 2; ASTM D-256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	56.0 °C	133 °F	Cure 2; ASTM D-648
	58.0 °C	136 °F	Cure 1; ASTM D-648

Processing Properties	Metric	English	Comments
Cure Time	120 - 240 min	2.00 - 4.00 hour	Mix, Demold time
Gel Time	10.0 - 14.0 min	10.0 - 14.0 min	Mix

Descriptive Properties
Aspect	Water Clear		Cure 1
	Water Clear		Cure 2
Mix Ratio	100:37		Resin: Hardener, Weight
	100:40		Resin: Hardener, Volume

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 view all the property values for this datasheet as they were originally entered into MatWeb.

PRAMPF129 / 317729

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