RAMPF RAKU® TOOL InnoTuf® HP-2250 Polyurethane

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RAMPF RAKU® TOOL InnoTuf® HP-2250 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	Tough, abrasion resistant elastomer Key Properties: Excellent physical properties after RT cure Free of mercury, MOCA or MDI Applications: For hand-mix processing methods Cure 1: 7 days at 77°F Cure 2: 24 hours at 77°F + 5 hours at 150°F Information provided by © RAMPF Tooling Solutions GmbH & Co. KG
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Physical Properties	Original Value	Comments

Density	1.08 g/cc	Resin; ASTM D-792
	1.09 g/cc	Cure 1; ASTM D-792
	1.09 g/cc	Cure 2; ASTM D-792
	1.18 g/cc	Hardener; ASTM D-792
Viscosity	600 cP	Hardener; ASTM D-2393
	3300 cP	Mix; ASTM D-2393
	7100 cP	Resin; ASTM D-2393
Linear Mold Shrinkage	0.0040 - 0.0080 in/in	Cure 1; ASTM D-2566
	0.0040 - 0.0080 in/in	Cure 2; ASTM D-2566
Storage Temperature	15.0 - 30.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	45 - 55	Cure 1; ASTM D-2240
	45 - 55	Cure 2; ASTM D-2240
Tensile Strength	3200 psi	Cure 2; ASTM D-638
	4325 psi	Cure 1; ASTM D-638
Elongation at Break	280 %	Cure 1; ASTM D-638
	350 %	Cure 2; ASTM D-638
Tear Strength	420 pli	Cure 1; ASTM D-624
	470 pli	Cure 2; ASTM D-624
Taber Abrasion, mg/1000 Cycles	31 @Load 1.00 kg	Cure 1, H-18 wheel; ASTM D-4060
	31 @Load 1.00 kg	Cure 2, H-18 wheel; ASTM D-4060

Processing Properties	Original Value	Comments
Cure Time	4.00 - 6.00 hour	Mix, Demold time
Gel Time	15.0 - 25.0 min	Mix

Descriptive Properties
Aspect	Amber	Cure 1
	Amber	Cure 2
Mix Ratio	100:22	Resin: Hardener, Weight
	100:22	Resin: Hardener, Volume

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PRAMPF011 / 317611

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