RAMPF RAKU® TOOL IE-3700 Polyurethane

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RAMPF RAKU® TOOL IE-3700 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	Electrical Encapsulant; Tough, abrasion resistant elastomer Key Properties: Excellent electrical properties, hydrolytic stability, and flexibility at low temperatures Excellent physical properties Free of mercury, MOCA or TDI Applications: For room temperature hand-batch processing Cure 1: 24 hours at 77°F + 16 hours at 160°F Information provided by © RAMPF Tooling Solutions GmbH & Co. KG
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Physical Properties	Metric	English	Comments

Density	0.930 g/cc	0.0336 lb/in³	Hardener; ASTM D-792
	0.970 g/cc	0.0350 lb/in³	Cure 1; ASTM D-792
	1.18 g/cc	0.0426 lb/in³	Resin; ASTM D-792
Viscosity	50 cP	50 cP	Resin; ASTM D-2393
	2000 cP	2000 cP	Mix; ASTM D-2393
	5200 cP	5200 cP	Hardener; ASTM D-2393
Storage Temperature	15.0 - 30.0 °C	59.0 - 86.0 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	65 - 75	65 - 75	Cure 1; ASTM D-2240
Tensile Strength	5.52 MPa	800 psi	Cure 1; ASTM D-638
Elongation at Break	300 %	300 %	Cure 1; ASTM D-638
Tear Strength	21.9 kN/m	125 pli	Cure 1; ASTM D-624

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+16 ohm-cm	2.00e+16 ohm-cm	Cure 1; ASTM D-270
Surface Resistance	2.80e+16 ohm	2.80e+16 ohm	Cure 1; ASTM D-270
Dielectric Constant	2.4	2.4	Cure 1; ASTM D-150
Dielectric Strength	22.4 kV/mm	570 kV/in	Cure 1; ASTM D-149
Dissipation Factor	0.014 @Frequency 1000 Hz	0.014 @Frequency 1000 Hz	Cure 1; ASTM D-150

Processing Properties	Metric	English	Comments
Cure Time	180 - 300 min	3.00 - 5.00 hour	Mix, Demold time
Gel Time	16.0 - 20.0 min	16.0 - 20.0 min	Mix

Descriptive Properties
Aspect	Cream
Mix Ratio	39:100		Resin: Hardener, Volume
	59:100		Resin: Hardener, Weight

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PRAMPF090 / 317690

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