DuPont Performance Polymers Hytrel® DYM250S BK472 TPC-ET+PBT (Unverified Data**)

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polyester Thermoplastic Elastomer
Manufacturer	DuPont Performance Polymers
Trade Name	Hytrel®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	DuPont Performance Polymers Hytrel® DYM250S BK472 TPC-ET+PBT (Unverified Data**).pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Medium Modulus Polyester Elastomer with Excellent Impact Resistance Developed for Air Bag Door ApplicationsHytrel DYM250S BK472 is a medium modulus resin suited for injection molding of Air Bag Deployment Doors. It has a nominal durometer hardness of 4Information provided by DuPont Performance Polymers

Physical Properties	Metric	English	Comments
Density	0.995 g/cc	0.0359 lb/in³
	1.16 g/cc	0.0419 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.012 cm/cm	0.012 in/in	ISO 294-4 2577
Linear Mold Shrinkage, Transverse	0.012 cm/cm	0.012 in/in	ISO 294-4 2577
Melt Flow	13 g/10 min @Load 2.16 kg, Temperature 240 °C	13 g/10 min @Load 4.76 lb, Temperature 464 °F	cm³/10min; ISO 1133
	13 g/10 min @Load 2.16 kg, Temperature 240 °C	13 g/10 min @Load 4.76 lb, Temperature 464 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	44	44	15s; ISO 868
	<= 49	<= 49	ISO 868
Tensile Strength at Break	30.0 MPa	4350 psi	ISO 527-1/-2
Tensile Stress	7.80 MPa @Strain 5.00 %	1130 psi @Strain 5.00 %	ISO 527-1/-2
	9.70 MPa @Strain 10.0 %	1410 psi @Strain 10.0 %	ISO 527-1/-2
	12.5 MPa @Strain 50.0 %	1810 psi @Strain 50.0 %	ISO 527-1/-2
	14.0 MPa @Strain 100 %	2030 psi @Strain 100 %	ISO 527-1/-2
	18.0 MPa @Strain 300 %	2610 psi @Strain 300 %	ISO 527-1/-2
	0.280 MPa @Strain 0.200 %, Temperature 90.0 °C	40.6 psi @Strain 0.200 %, Temperature 194 °F	ISO 11403-1 -2
	0.670 MPa @Strain 0.200 %, Temperature 23.0 °C	97.2 psi @Strain 0.200 %, Temperature 73.4 °F	ISO 11403-1 -2
	1.51 MPa @Strain 0.240 %, Temperature -40.0 °C	219 psi @Strain 0.240 %, Temperature -40.0 °F	ISO 11403-1 -2
	3.90 MPa @Strain 5.68 %, Temperature 90.0 °C	566 psi @Strain 5.68 %, Temperature 194 °F	ISO 11403-1 -2
	6.93 MPa @Strain 21.48 %, Temperature 90.0 °C	1010 psi @Strain 21.48 %, Temperature 194 °F	ISO 11403-1 -2
	7.69 MPa @Strain 39.3 %, Temperature 90.0 °C	1120 psi @Strain 39.3 %, Temperature 194 °F	ISO 11403-1 -2
	10.13 MPa @Strain 10.62 %, Temperature 23.0 °C	1469 psi @Strain 10.62 %, Temperature 73.4 °F	ISO 11403-1 -2
	12.31 MPa @Strain 33.7 %, Temperature 23.0 °C	1785 psi @Strain 33.7 %, Temperature 73.4 °F	ISO 11403-1 -2
	23.18 MPa @Strain 7.28 %, Temperature -40.0 °C	3362 psi @Strain 7.28 %, Temperature -40.0 °F	ISO 11403-1 -2
	26.81 MPa @Strain 18.04 %, Temperature -40.0 °C	3888 psi @Strain 18.04 %, Temperature -40.0 °F	ISO 11403-1 -2
	27.29 MPa @Strain 28.8 %, Temperature -40.0 °C	3958 psi @Strain 28.8 %, Temperature -40.0 °F	ISO 11403-1 -2
Elongation at Break	>= 300 %	>= 300 %	ISO 527-1/-2
	600 %	600 %	Nominal; ISO 527-1/-2
Tensile Modulus	0.295 GPa	42.8 ksi	ISO 527-1/-2
Flexural Modulus	0.350 GPa	50.8 ksi	ISO 178
Secant Modulus	0.0299 GPa @Strain 41.95 %, Temperature 23.0 °C	4.34 ksi @Strain 41.95 %, Temperature 73.4 °F	ISO 11403-1 -2
	0.076397 GPa @Strain 35.97 %, Temperature -40.0 °C	11.081 ksi @Strain 35.97 %, Temperature -40.0 °F	ISO 11403-1 -2
	0.0954 GPa @Strain 10.62 %, Temperature 23.0 °C	13.8 ksi @Strain 10.62 %, Temperature 73.4 °F	ISO 11403-1 -2
	0.125 GPa @Strain 21.63 %, Temperature -40.0 °C	18.1 ksi @Strain 21.63 %, Temperature -40.0 °F	ISO 11403-1 -2
	0.318 GPa @Strain 7.28 %, Temperature -40.0 °C	46.2 ksi @Strain 7.28 %, Temperature -40.0 °F	ISO 11403-1 -2
	0.335 GPa @Strain 0.200 %, Temperature 23.0 °C	48.6 ksi @Strain 0.200 %, Temperature 73.4 °F	ISO 11403-1 -2
	0.629 GPa @Strain 0.240 %, Temperature -40.0 °C	91.3 ksi @Strain 0.240 %, Temperature -40.0 °F	ISO 11403-1 -2
Tear Strength	90.0 kN/m	514 pli	normal; ISO 34-1
	110 kN/m	628 pli	parallel; ISO 34-1

Thermal Properties	Metric	English	Comments
Melting Point	222 °C	432 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	48.0 °C	118 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	41.0 °C	106 °F	ISO 75-1/-2
Brittleness Temperature	-100 °C	-148 °F	ISO 974
Flame Spread	24 mm/min @Thickness 1.00 mm	0.94 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Descriptive Properties	Value	Comments
Delivery Form	Pellets
Emission of organic compounds	9.3 µgC/g	VDA 277
Odour	class 4	VDA 270
Part Marking Code	>TPC-ET+PBT<	ISO 11469
Processing	Injection Moulding
Regional Availability	Asia Pacific
	Europe
	Global
	Near East/Africa
	North America
	South and Central America
Resin Identification	TPC-ET+PBT	ISO 1043
Special Characteristics	Heat stabilised or stable to heat
	Light stabilised or stable to light
	U.V. stabilised or stable to weather

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