Dow PELLETHANE® 2104-45D Polyurethane Elastomer (Ether-Ether Hybrid)

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Dow PELLETHANE® 2104-45D Polyurethane Elastomer (Ether-Ether Hybrid) (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether Grade
Material Notes:	Description: PELLETHANE® 2104-45D ether-ether hybrid polyurethane elastomer has excellent low temperature properties, fast cycle time, and good resistance to fuel and oils. Applications include: Caster wheels, Seals, Gaskets, Animal tags, Hose jacketing, Ski boots, Automotive Data provided by Dow Chemical.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.20 g/cc	1.20 g/cc	ASTM D792
Melt Index of Compound	19 g/10 min @Load 1.20 kg, Temperature 224 °C	19 g/10 min @Load 2.65 lb, Temperature 435 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	50 - 60	50 - 60	ASTM D2240
Tensile Strength, Ultimate	37.9 MPa	5500 psi	ASTM D412
Elongation at Break	500 %	500 %	ASTM D412
50% Modulus	9.30 MPa @Strain 50 %	9.30 MPa @Strain 50 %	ASTM D412
100% Modulus	10.3 MPa @Strain 100 %	1490 psi @Strain 100 %	ASTM D412
300% Modulus	18.6 MPa @Strain 300 %	2700 psi @Strain 300 %	ASTM D412
Flexural Modulus	0.689 GPa	100 ksi	ASTM D790
Tear Strength	120 kN/m	685 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	40	40	H-22 wheel (coarser); ASTM D1044
Compression Set	65 % @Temperature 70.0 °C	65 % @Temperature 158 °F	22 hrs.; ASTM D395, Method B
	20 % @Temperature 25.0 °C, Time 79200 sec	20 % @Temperature 77.0 °F, Time 22.0 hour	ASTM D395, Method B
Tensile Set	70 %	70 %	Elongation Set After Break; ASTM D412

Thermal Properties	Metric	English	Comments
CTE, linear	152 µm/m-°C @Temperature 20.0 °C	84.4 µin/in-°F @Temperature 68.0 °F	ASTM D696
Vicat Softening Point	133 °C	271 °F	ASTM D1525
Glass Transition Temp, Tg	-28.0 °C	-18.4 °F	DSC

Processing Properties	Metric	English	Comments
Melt Temperature	210 - 227 °C	410 - 441 °F

**
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