Dow Pellethane® 2354-55D Polyurethane Elastomer, Polyester Polycaprolactone Based

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Dow Pellethane® 2354-55D Polyurethane Elastomer, Polyester Polycaprolactone Based (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Polyester Grade
Material Notes:	PELLETHANE® 2354-55D is elastomer is a polyester polycaprolactone based polyurethane elastomer used in automotive applications. It allows fast molding, and once molded can be painted with polyurethane and acrylic enamels or water based elastomeric paints without a primer. Data provided by Dow Chemical.
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Physical Properties	Metric	English	Comments

Density	1.21 g/cc	0.0437 lb/in³
Linear Mold Shrinkage	0.010 cm/cm	0.010 in/in
Melt Flow	22 g/10 min @Load 2.16 kg, Temperature 224 °C	22 g/10 min @Load 4.76 lb, Temperature 435 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	56	56
Tensile Strength at Break	37.9 MPa	5500 psi
Elongation at Break	460 %	460 %
50% Modulus	11.0 MPa @Strain 50 %	11.0 MPa @Strain 50 %
100% Modulus	12.1 MPa @Strain 100 %	1750 psi @Strain 100 %
300% Modulus	24.8 MPa @Strain 300 %	3600 psi @Strain 300 %
Secant Modulus	0.138 GPa	20.0 ksi	2% Secant Modulus
Tear Strength	149 kN/m	850 pli
Taber Abrasion, mg/1000 Cycles	40	40	H22 Wheel
Compression Set	30 % @Temperature 23.0 °C	30 % @Temperature 73.4 °F
	33 % @Temperature 70.0 °C	33 % @Temperature 158 °F
Tensile Set	80 %	80 %	Elongation set after break

Thermal Properties	Metric	English	Comments
CTE, linear	135 µm/m-°C @Temperature 20.0 °C	75.0 µin/in-°F @Temperature 68.0 °F
Vicat Softening Point	121 °C	250 °F
Clash Berg Stiffness Temperature	-5.00 °C	23.0 °F

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PDW278 / 34446

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