RAMPF RAKU® TOOL IE-3665 Polyurethane

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RAMPF RAKU® TOOL IE-3665 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	Impact resistant polyurethane Key Properties: Excellent physical properties Free of mercury, MOCA or MDI Applications: For hand-batch or vacuum assisted casting methods 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	Metric	English	Comments

Density	1.06 g/cc	0.0383 lb/in³	Hardener; ASTM D-792
	1.08 g/cc	0.0390 lb/in³	Cure 1; ASTM D-792
	1.08 g/cc	0.0390 lb/in³	Cure 2; ASTM D-792
	1.09 g/cc	0.0394 lb/in³	Resin; ASTM D-792
Viscosity	100 cP	100 cP	Hardener; ASTM D-2393
	2000 cP	2000 cP	Mix; ASTM D-2393
	3000 cP	3000 cP	Resin; ASTM D-2393
Storage Temperature	15.0 - 30.0 °C	59.0 - 86.0 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	45 - 55	45 - 55	Cure 1; ASTM D-2240
	45 - 55	45 - 55	Cure 2; ASTM D-2240
Tensile Strength	15.9 MPa	2300 psi	Cure 2; ASTM D-638
	16.5 MPa	2400 psi	Cure 1; ASTM D-638
Elongation at Break	210 %	210 %	Cure 1; ASTM D-638
	275 %	275 %	Cure 2; ASTM D-638
Flexural Strength	241 MPa	35000 psi	Cure 1; ASTM D-790
	310 MPa	45000 psi	Cure 2; ASTM D-790
Flexural Modulus	2.139 GPa	310.2 ksi	Cure 2; ASTM D-790
	2.368 GPa	343.5 ksi	Cure 1; ASTM D-790
Izod Impact, Notched	5.34 J/cm	10.0 ft-lb/in	Cure 1; ASTM D-256
	5.34 J/cm	10.0 ft-lb/in	Cure 2; ASTM D-256

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	Translucent Amber		Cure 1
	Translucent Amber		Cure 2
Mix Ratio	100:20		Resin: Hardener, Weight
	100:20		Resin: Hardener, Volume

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PRAMPF016 / 317616

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