RAMPF RAKU® TOOL InnoClear™ OC-5274 Polyurethane

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RAMPF RAKU® TOOL InnoClear™ OC-5274 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	Water clear, rigid polyurethane Key Properties: Excellent physical properties Free of mercury, MOCA or TDI Low viscosity for excellent flow rates Applications: For room temperature hand-batch or vacuum assisted casting methods Applications with thin wall sections Cure 1: 24 hours at 77°F + 16 hours at 180°F Cure 2: 7 days at 77°F Information provided by © RAMPF Tooling Solutions GmbH & Co. KG
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Physical Properties	Original Value	Comments

Density	1.05 g/cc	Hardener; ASTM D-792
	1.08 g/cc	Cure 1; ASTM D-792
	1.08 g/cc	Cure 2; ASTM D-792
	1.16 g/cc	Resin; ASTM D-792
Viscosity	725 cP	Hardener; ASTM D-2393
	750 cP	Mix; ASTM D-2393
	900 cP	Resin; ASTM D-2393
Linear Mold Shrinkage	0.0050 - 0.010 in/in	Cure 1; ASTM D-2566
	0.0050 - 0.010 in/in	Cure 2; ASTM D-2566
Storage Temperature	15.0 - 30.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	80 - 86	Cure 1; ASTM D-2240
	80 - 86	Cure 2; ASTM D-2240
Tensile Strength	7000 psi	Cure 2; ASTM D-638
	9800 psi	Cure 1; ASTM D-638
Elongation at Break	3.0 %	Cure 2; ASTM D-638
	7.0 %	Cure 1; ASTM D-638
Flexural Strength	16500 psi	Cure 2; ASTM D-790
	16700 psi	Cure 1; ASTM D-790
Flexural Modulus	365000 psi	Cure 1; ASTM D-790
	385000 psi	Cure 2; ASTM D-790
Izod Impact, Notched	0.400 ft-lb/in	Cure 2; ASTM D-256
	1.00 ft-lb/in	Cure 1; ASTM D-256

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	49.0 °C	Cure 2; ASTM D-648
	70.0 °C	Cure 1; ASTM D-648

Processing Properties	Original Value	Comments
Cure Time	4.00 - 8.00 hour	Mix, Demold time
Gel Time	15.0 - 23.0 min	Mix

Descriptive Properties
Aspect	Water Clear	Cure 1
	Water Clear	Cure 2
Mix Ratio	100:50	Resin: Hardener, Weight
	100:55	Resin: Hardener, Volume

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PRAMPF130 / 317730

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