RAMPF RAKU® TOOL IE-3500 Polyurethane

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RAMPF RAKU® TOOL IE-3500 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	Electrical Encapsulant; Soft, 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	1.00 g/cc	0.0361 lb/in³	Hardener; ASTM D-792
	1.11 g/cc	0.0401 lb/in³	Resin; ASTM D-792
Viscosity	50 cP	50 cP	Resin; ASTM D-2393
	1200 cP	1200 cP	Mix; ASTM D-2393
	4800 cP	4800 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	35 - 45	35 - 45	Cure 1; ASTM D-2240
Tensile Strength	2.76 MPa	400 psi	Cure 1; ASTM D-638
Elongation at Break	200 %	200 %	Cure 1; ASTM D-638
Tear Strength	13.1 kN/m	75.0 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	2.5	2.5	Cure 1; ASTM D-150
Dielectric Strength	21.7 kV/mm	550 kV/in	Cure 1; ASTM D-149
Dissipation Factor	0.015 @Frequency 1000 Hz	0.015 @Frequency 1000 Hz	Cure 1; ASTM D-150

Processing Properties	Metric	English	Comments
Cure Time	300 - 420 min	5.00 - 7.00 hour	Mix, Demold time
Gel Time	15.0 - 25.0 min	15.0 - 25.0 min	Mix

Descriptive Properties
Aspect	Clear Amber		Cure 1
Mix Ratio	100:100		Resin: Hardener, Weight
	90:100		Resin: Hardener, Volume

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PRAMPF039 / 317639

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