Carbon Printers EPU 44 Biobased Elastomer for 3D Printing

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Carbon Printers EPU 44 Biobased Elastomer for 3D Printing
Categories:	Polymer; 3D Printing/Additive Manufacturing Polymer; Thermoset; Epoxy
Material Notes:	2 part liquid. Available in gray or white. EPU 44 is production-scale, resilient elastomer that is highly resilient, tear resistant, and has a 40% bio-based formulation. EPU 44 enables lighter lattices than EPU 41 when designed with equivalent stiffness, requiring less material. EPU 44 has a higher green strength as well, allowing for more printable geometries. EPU 44 prints faster than EPU 41, and its higher green strength helps protect yield of delicate designs. Information provided by Carbon®
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Physical Properties	Original Value	Comments

Density	0.940 g/cc	Liquid, Part B
	1.030 g/cc	Liquid, Mixed; ASTM D792
	1.03 g/cc	Solid
	1.05 g/cc	Liquid, Part A
Viscosity	80 cP @Temperature 25.0 °C	Liquid, Part B
	6700 cP @Temperature 25.0 °C	Liquid, Mixed
	8600 cP @Temperature 25.0 °C	Liquid, Part A

Mechanical Properties	Original Value	Comments
Hardness, Shore A	78	Instant
	77 @Time 5.00 sec
Tensile Strength at Break	275 MPa	Die C; 500 mm/min; ASTM D412
Tensile Strength, Ultimate	24.0 MPa	Die C; 500 mm/min; ASTM D412
Elongation at Yield	5.0 %	Die C; 500 mm/min; ASTM D412
50% Modulus	4.00 MPa @Strain 50 %	Die C; 500 mm/min; ASTM D412
100% Modulus	8.00 MPa @Strain 100 %	Die C; 500 mm/min; ASTM D412
200% Modulus	20.0 MPa @Strain 200 %	Die C; 500 mm/min; ASTM D412
Flex Crack Resistance	>= 100000 @Temperature 23.0 °C	Cycles Ross Flexing Fatigue Unnotched; no Propagation; ASTM D1052
	>= 100000 @Temperature -10.0 °C	Ross Flexing Fatigue; Notched; no Propagation; ASTM D1052
Tear Strength	35.0 kN/m	Die C; ASTM D624
Abrasion	70	mm3 Relative Abrasion Loss; ISO -4649 A
Compression Set	25 % @Temperature 23.0 °C, Time 259000 sec	ASTM D395-B

Electrical Properties	Original Value	Comments
Volume Resistivity	1.1e+11 ohm-cm	ASTM D257
Dielectric Constant	4.26 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	17.0 kV/mm	ASTM D149
Dissipation Factor	0.0368 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	-5.00 °C	DMA tan δ; ASTM D4065

Descriptive Properties
Color	Black
Part A:B Mass Ratio	11.4 : 1	White
	12.0 : 1	Gray
Part A:B Volume Ratio	10.3 : 1	White
	10.8:1	Gray

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PCARBP009c / 295532

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