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Hytrel® 8238

TPC-ET

DuPont

Product Description
Hytrel® 8238 is the highest modulus grade, with nominal hardness of 82D. It contains non-discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion. Typical applications: C
General
Original Document
Technical Datasheet-ISO(Chinese)
Features
Thermoplastic Elastomer
Specifications
Physical Value/Unit(Sign in to View) Test Standard Test Condition

Density/Specific Gravity

*** kg/m³ ISO 1183

Melt Volume Flow Rate(MVR)

240℃/2.16 kg

*** cm³/10 min ISO 1133

Melt Mass Flow Rate(MFR)

240℃/2.16kg

*** g/10 min ISO 1133

Molding Shrinkage

Flow

*** % ISO 294-4, 2577

Across Flow

*** % ISO 294-4, 2577

Water Absorption

*** % ISO 62
2mm

Water Absorption

*** % ISO 62
Immersion 24h

Moisture /Humidity Absorption

*** % ISO 62
2mm

Melt Density

*** kg/m³ -
Mechanical Value/Unit(Sign in to View) Test Standard Test Condition

Tensile Modulus

*** Mpa ISO 527-1/-2

Tensile Strength

Yield

*** Mpa ISO 527-1/-2

Break

*** Mpa ISO 527-1/-2

at 10% strain

*** Mpa ISO 527-1/-2

at 50% strain

*** Mpa ISO 527-1/-2

at 100% strain

*** Mpa ISO 527-1/-2

Tensile Elongation

Yield

*** % ISO 527-1/-2

Break

*** % ISO 527-1/-2

Nominal Tensile Strain at Break

*** % ISO 527-1/-2

Flexural Modulus

*** Mpa ISO 178

Tear Strength

*** kN/m ISO 34
normal

Tear Strength

*** kN/m ISO 34
parallel
Impact Value/Unit(Sign in to View) Test Standard Test Condition

Charpy Notched Impact Strengh

-40℃ (-40℉)

*** kJ/m² ISO 179/1eA

-30℃ (-22℉)

*** kJ/m² ISO 179/1eA

23℃ (73℉)

*** kJ/m² ISO 179/1eA

Izod Notched Impact Strengh

-40℃ (-40℉)

*** kJ/m² ISO 180/1A

23℃ (73℉)

*** kJ/m² ISO 180/1A

Tensile Impact

*** kJ/m² ISO 8256/1
notched,23℃

Brittleness Temperature

*** °C ISO 974
Hardness Value/Unit(Sign in to View) Test Standard Test Condition

Shore D hardness

*** D ISO 7619-1
15s

Shore D hardness

*** D ISO 7619-1
max
Thermal Value/Unit(Sign in to View) Test Standard Test Condition

Heat Deflection Temperature(HDT)

0.45 Mpa (66 psi)(4.6kg/cm²)

*** °C ISO 75-1/-2

1.8 Mpa (264 psi)(18.6kg/cm²)

*** °C ISO 75-1/-2

Vicat Softening Temperature(VST)

*** °C ISO 306
50℃/h 50N

Vicat Softening Temperature(VST)

*** °C ISO 306
90°F, 2 lbf

Relative Temperature Index(RTI), Imp

0.75/0.8mm

*** °C UL 746B

1.5/1.6 mm

*** °C UL 746B

3.0/3.2 mm

*** °C UL 746B

Relative Temperature Index(RTI), Elec

0.75/0.8mm

*** °C UL 746B

1.5/1.6 mm

*** °C UL 746B

3.0/3.2 mm

*** °C UL 746B

Relative Temperature Index(RTI), Str

0.75/0.8mm

*** °C UL 746B

1.5/1.6 mm

*** °C UL 746B

3.0/3.2 mm

*** °C UL 746B

Specific Heat

*** J/kg-K -

Coefficient of Linear Thermal Expansion

Flow

*** E-6/K ISO 11359-1/-2

Flow

*** E-6/K ISO 11359-1/-2
-40-23°C

Across Flow

*** E-6/K ISO 11359-1/-2

Across Flow

*** E-6/K ISO 11359-1/-2
-40-23°C

Melt Temperature(Tm)

*** °C ISO 11357-1/-3
10℃/min

Glass Transition Temperature

*** °C ISO 11357-1/-2
10℃/min

Thermal Conductivity

*** W/(m K) -

Thermal Diffusivity

*** m²/s -
Flammability Value/Unit(Sign in to View) Test Standard Test Condition

Flame Rating

HB

*** mm UL94

HB

*** mm UL94

Oxygen Index

*** % ISO 4589-1/-2

FMVSS

*** - FMVSS 302
Electrical Value/Unit(Sign in to View) Test Standard Test Condition

Volume Resistivity

*** Ohm-m IEC 60093

Surface Resistivity

*** Ohm IEC 60093

Dielectric Constant(Permittivity)

100Hz

*** - IEC 60250

1MHz

*** - IEC 60250

Dissipation Factor

100Hz

*** E-4 IEC 60250

1MHz

*** E-4 IEC 60250

Comparative Tracking Index (CTI)

-

*** - IEC 60112

Dielectric Strength

*** kV/mm IEC 60243-1
Additional Information Value/Unit(Sign in to View) Test Standard Test Condition

Volatile Organic Compounds

*** µgC/g VDA 277

The information presented on this datasheet was acquired by AjiEng.com from the producer of the material. AjiEng.com makes substantial efforts to assure the accuracy of this data. However, AjiEng.com assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.