RAMPF RAKU® TOOL RC-79D-1 Polyurethane

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RAMPF RAKU® TOOL RC-79D-1 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	Rigid, flame retardant polyurethane system Key Properties: Excellent physical properties after RT cure Free of mercury, MOCA or TDI Non Halogenated Meets UL 94 V-0 requirements Applications: Approved for many medical applications including MRI coil housings Formulated for room temperature meter-mix dispensing systems and short mold cycle times Cure 1: 24 hours at 77°F + 16 hours at 200°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	1.11 g/cc	Hardener; ASTM D-792
	1.26 g/cc	Cure 1; ASTM D-792
	1.26 g/cc	Cure 2; ASTM D-792
	1.31 g/cc	Resin; ASTM D-792
Viscosity	375 cP	Resin; ASTM D-2393
	700 cP	Mix; ASTM D-2393
	1000 cP	Hardener; ASTM D-2393
Linear Mold Shrinkage	0.0020 - 0.0050 in/in	Cure 1; ASTM D-2566
	0.0020 - 0.0050 in/in	Cure 2; ASTM D-2566
Storage Temperature	15.0 - 30.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	75 - 85	Cure 1; ASTM D-2240
	80 - 90	Cure 2; ASTM D-2240
Tensile Strength	5200 psi	Cure 2; ASTM D-638
	6000 psi	Cure 1; ASTM D-638
Elongation at Break	5.0 %	Cure 2; ASTM D-638
	6.0 %	Cure 1; ASTM D-638
Flexural Strength	10000 psi	Cure 1; ASTM D-790
	10500 psi	Cure 2; ASTM D-790
Flexural Modulus	300000 psi	Cure 1; ASTM D-790
	325000 psi	Cure 2; ASTM D-790
Izod Impact, Notched	0.600 ft-lb/in	Cure 1; ASTM D-256
	0.600 ft-lb/in	Cure 2; ASTM D-256

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	Cure 2; ASTM D-648
	79.0 °C	Cure 1; ASTM D-648

Processing Properties	Original Value	Comments
Cure Time	9.00 - 15.0 min	Demold
Gel Time	0.830 - 1.25 min	Mix

Descriptive Properties
Aspect	Tan	Cure 1
	Tan	Cure 2
Mix Ratio	100:100	Resin: Hardener, Weight
	85:100	Resin: Hardener, Volume

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