湘樟:PEEK - PTFE - PPE - PVDF - SBS - TPV - TPX - PA6 - PBE - SBR - PVC - PSU - SAN - PA66 - HIPS - 聚四氟乙烯
Air Bag Door Resins
DuPont™ Hytrel®
thermoplastic polyester elastomer
Hytrel® DYM350BK is a medium modulus polyester alloy suited for injection molding of Air Bag Deployment Doors. It has a nominal durometer hardness of 55D 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
Yield Stress
Yield Strain
Stress at Break
Strain at Break
Tensile Modulus
Tensile Stress
@ 5% Strain
@ 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 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)
MPa(kpsi)
℃(℉)
kN/m(lb/in)
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15(2.0)
30
32(4.6)
500
370(54)
12(1.7)
13(1.9)
16(2.3)
400(58)
50
55
-100(-148)
105(600)
130(743)
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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
Deflection Temperature
0.45MPa
1.80MPa
Melting Temperature
10℃/min
Glass Transition Temperature
2℃/min
Vicat Softening Temperature
10N, 50℃/h
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ISO 75-1/-2
ISO 11357-1/-3
ISO 11357-1/-2
ISO 306
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℃(℉)
℃(℉)
℃(℉)
℃(℉)
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50(122)
40(105)
222(432)
-55(-67)
170(338)
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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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Electrical
Surface Resistivity
Volume Resistivity
Electric Strength
Relative Permittivity
1E2 Hz
1E6 Hz
Dissipation Factor
1E2 Hz
1E6 Hz
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IEC 60093
IEC 60093
IEC 60243-1
IEC 60250
IEC 60250
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ohm
ohm m
kV/mm
E-4
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5E14
2E13
20
4.6
4.4
70
230
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Flammability
Oxygen Index
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ISO 4589-1/-2
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%
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22
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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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Other
Density
Water Absorption
Equilibrium 50%RH
Immersion 24h
Saturation, immersed
Molding Shrinkage
Normal, 2.0mm
Parallel, 2.0mm
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ISO 1183
ISO 62
ISO 294-4
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3 3
kg/m(g/cm )
%
%
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1180(1.18)
0.2
0.6
0.6
1.3
1.2
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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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