湘樟:PEEK - PTFE - PPE - PVDF - SBS - TPV - TPX - PA6 - PBE - SBR - PVC - PSU - SAN - PA66 - HIPS - 聚四氟乙烯
DuPont™ Hytrel®
thermoplastic polyester elastomer
Hytrel® DYM250S BK472 is a medium modulus resin suited for injection molding of Air Bag Deployment Doors. It has a nominal durometer hardness of 49D and contains fine particle size carbon black.
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Property
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Test Method
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Units
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Value
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Identification
Resin Identification
Part Marking Code
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ISO 1043
ISO 11469
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TPC-ET+PBT
>TPC-ET+PBT<
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Mechanical
Stress at Break
Strain at Break
Tensile Modulus
Tensile Stress
@ 10% Strain
@ 50% Strain
Flexural Modulus
Hardness, Shore D
15s
Maximum
Brittleness Temperature
Tear Strength
Normal
Parallel
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ISO 527
ISO 527
ISO 527
ISO 527
ISO 178
ISO 868
ISO 974
ISO 34-1 method B/a
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MPa(kpsi)
%
MPa(kpsi)
MPa(kpsi)
MPa(kpsi)
℃(℉)
kN/m(lb/in)
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30(4.4)
500
230(33.4)
10(1.5)
13(1.9)
250(36)
46
49
-100(-148)
90(514)
110(629)
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Thermal
Deflection Temperature
0.45MPa
1.80MPa
Melting Temperature
10℃/min
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ISO 75-1/-2
ISO 11357-1/-3
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℃(℉)
℃(℉)
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50(122)
40(104)
222(432)
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Property
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Test Method
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Units
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Value
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Thermal
Vicat Softening Temperature
10N, 50℃/h
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ISO 306
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℃(℉)
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150(302)
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Rheological
Melt Mass-Flow Rate
240℃, 2.16kg
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ISO 1133
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g/10 min
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15
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Other
Density
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ISO 1183
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3 3
kg/m(g/cm )
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1160(1.16)
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Processing - Injection Molding
Melt Temperature Range
Melt Temperature Optimum
Mold Temperature Range
Mold Temperature Optimum
Drying Time, Dehumidified Dryer
Drying Temperature
Processing Moisture Content
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℃(℉)
℃(℉)
℃(℉)
℃(℉)
h
℃(℉)
%
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240-250(465-480)
245(473)
45-55(115-130)
45(115)
3-4
110(230)
<0.05
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