TPE Hytrel® 8238 DuPont, European Union

409

Properties:
High temperature resistan
Usages:
Engine parts
Cable sheath
Wire and cable
Joint
Hose
Certificates:
UL
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Technical Data Sheet

physical property	Test Condition	Test Method	Test Result	Unit
Shrinkage rate	TD	ISO294-4	1.6	%
Shrinkage rate	Shrinkage rate	MD	ISO294-4	1.6	%
Water absorption rate	23°C,24hr	ISO62	0.30	%
	Water absorption rate	饱和,23°C,2.00mm	ISO62	0.60	%
	Water absorption rate	Water absorption rate	平衡,23°C,2.00mm,50%RH	ISO62	0.20	%
MediumDensity			1.13	g/cm³
SpecificHeatCapacity of Melt			2150	J/kg/°C
ThermalConductivityofMelt			0.15	W/m/K
Melt mass flow rate	240°C/2.16kg	ISO1133	13	g/10min
Melt volume flow rate	240°C/2.16kg	ISO1133	11.5	cm3/10min
Density/specific gravity		ISO1183	1.28	g/cm³

Mechanical performance	Test Condition	Test Method	Test Result	Unit
Nominal tensile fracture strain		ISO527-2	340	%
Tensile stress	屈服	ISO527-2	38.0	Mpa
	Tensile stress	断裂	ISO527-2	46.0	Mpa
		Tensile stress	10%应变	ISO527-2	34.0	Mpa
			Tensile stress	50%应变	ISO527-2	28.0	Mpa
			Tensile stress	Tensile stress	100%应变	ISO527-2	26.0	Mpa
Tensile strain	屈服	ISO527-2	19	%
Tensile strain	Tensile strain	断裂	ISO527-2	>300	%
Tensile modulus		ISO527-2	1200	Mpa
Bending modulus		ISO178	1150	Mpa

Thermal performance	Test Condition	Test Method	Test Result	Unit
Hot deformation temperature	0.45MPa,未退火	ISO75-2/B	105	°C
Hot deformation temperature	Hot deformation temperature	1.8MPa,未退火	ISO75-2/A	45.0	°C
Brittle temperature		ISO974	-84.0	°C
Vicat softening temperature	--	ISO306/A50	213	°C
Vicat softening temperature	Vicat softening temperature	--	ISO306/B50	150	°C
Linear coefficient of thermal expansion	TD：-40to23°C	ISO11359-2	1E-04	cm/cm/°C
	Linear coefficient of thermal expansion	TD：EffectiveThermalDiffusivity	ISO11359-2	5.44E-08	m²/s
		Linear coefficient of thermal expansion	MD：--	ISO11359-2	1.5E-04	cm/cm/°C
			Linear coefficient of thermal expansion	MD：-40to23°C	ISO11359-2	9E-05	cm/cm/°C
			Linear coefficient of thermal expansion	Linear coefficient of thermal expansion	TD：--	ISO11359-2	1.4E-04	cm/cm/°C
Glass transition temperature 2		ISO11357-2	50.0	°C
Melting temperature 2		ISO11357-3	221	°C

Electrical performance	Test Condition	Test Method	Test Result	Unit
Dielectric strength		IEC60243-1	21	KV/mm
Relative permittivity	100Hz	IEC60250	4.00
Relative permittivity	Relative permittivity	1MHz	IEC60250	3.70
Leakage Trace Index		IEC60112	600	V
Surface resistivity		IEC60093	>1.0E+15	ohms
Volume resistivity		IEC60093	>1.0E+15	ohms·cm
Dissipation factor	100Hz	IEC60250	0.010
Dissipation factor	Dissipation factor	1MHz	IEC60250	0.018

elastomer	Test Condition	Test Method	Test Result	Unit
tear strength	横向流量	ISO34-1	210	kN/m
tear strength	tear strength	流量	ISO34-1	230	kN/m

Impact performance	Test Condition	Test Method	Test Result	Unit
Charpy Notched Impact Strength	-40°C	ISO179/1eA	5.0	kJ/m²
	Charpy Notched Impact Strength	-30°C	ISO179/1eA	5.0	kJ/m²
	Charpy Notched Impact Strength	Charpy Notched Impact Strength	23°C	ISO179/1eA	15	kJ/m²
Impact strength of cantilever beam gap	-40°C	ISO180/1A	5.5	kJ/m²
Impact strength of cantilever beam gap	Impact strength of cantilever beam gap	23°C	ISO180/1A	11	kJ/m²
Tensile impact strength	23°C	ISO8256/1	57.0	kJ/m²

hardness	Test Condition	Test Method	Test Result	Unit
Shore hardness	邵氏D	ISO868	76
Shore hardness	Shore hardness	邵氏D,15秒	ISO868	70

flammability	Test Condition	Test Method	Test Result	Unit
UL flame retardant rating	0.9mm	UL94	HB
	UL flame retardant rating	1.5mm	UL94	HB
		UL flame retardant rating	0.9mm	IEC60695-11-10,-20	HB
		UL flame retardant rating	UL flame retardant rating	1.5mm	IEC60695-11-10,-20	HB
Extreme Oxygen Index		ISO4589-2	22	%
FMVSS flammability		FMVSS302	SE

Supplementary Information	Test Condition	Test Method	Test Result	Unit
EmissionofOrganicCompounds		VDA277	550	µgC/g

IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

TPE Hytrel® 8238 DuPont, European Union

Technical Data Sheet

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