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POM
POM DUPONT USA 988P
Injection grade
UL
US$ 2,830 / MT
FOB Guangzhou port, China
mechanical propertiesTest ConditionTest MethodDUPONT USA/988P
Impact strength of cantilever beam gap23℃ASTM D-1822250 kJ/m²
tensile strength23℃ASTM D-63869 Mpa
Bending deformation23℃ASTM D-79097 Mpa
Hardness (Rockwell M)ASTM D-78594
Hardness (Rockwell R)ASTM D-785120
Elongation at Break-55℃ASTM D-63810 %
Hot deformation temperature140kg/cm2,50℃ASTM D-6210.5 %
tensile strength122℃ASTM D-63826 Mpa
100℃ASTM D-63836 Mpa
Bending modulus70℃ASTM D-7901720 Mpa
Izod Notched Impact StrengthNotched-40℃ASTM D-25655 J/m
Flexural fatigue endurance limit50%RH，23℃，106周期ASTM D-67132 Mpa
Bending modulus-55℃ASTM D-7904730 Mpa
23℃ASTM D-6383640 Mpa
Elongation at Break23℃ASTM D-63825 %
Izod Notched Impact Strength23℃ASTM D-25671 J/m
Elongation at Break100℃ASTM D-638>260 %
122℃ASTM D-638>260 %
tensile strength-55℃ASTM D-638101 Mpa
70℃ASTM D-63848 Mpa
Bending modulus23℃ASTM D-7903220 Mpa
Compressive stress23℃，10%变形ASTM D-695121 Mpa
23℃，1%变形ASTM D-69535 Mpa
Izod Notched Impact StrengthUnnotched23℃ASTM D-2561620 J/m
Bending modulus122℃ASTM D-790755 Mpa
100℃ASTM D-7901030 Mpa
Shear strength23℃ASTM D-73266 Mpa
Elongation at Break70℃ASTM D-638180 %
Basic PerformanceTest ConditionTest MethodDUPONT USA/988P
Water absorption rate24hr浸渍ASTM D-5700.25 %
50%相对湿度ASTM D-5700.22 %
浸渍Equilibrium点ASTM D-5700.90 %
Electrical performanceTest ConditionTest MethodDUPONT USA/988P
Dielectric strength2.3mmASTM D-14919.7 KV/mm
Dielectric constant50%RH，23℃，106HzASTM D-1500.005
50%RH，23℃，102-106HzASTM D-1503.7 ohm-cm
Volume resistivity23℃，0.2%含水量ASTM D-257≥14.9 ohm-cm
Arc resistance3.1mmASTM D-495220 sec
thermal performanceTest ConditionTest MethodDUPONT USA/988P
Linear coefficient of thermal expansion104-160℃ASTM D-69614.9 10-5m/m
-40-29ASTM D-69610.4 10-5m/m
Spontaneous combustionUL 94HB
Hot deformation temperature1.8MPaASTM D-648136
Linear coefficient of thermal expansion29-60℃ASTM D-69612.2 10-5m/m
60-104℃ASTM D-69613.7 10-5m/m
Melting temperatureASTM D-2133175
thermal conductivity0.37 w/mk
Physical propertiesTest ConditionTest MethodDUPONT USA/988P
Shrinkage rate1.8-2.0 %

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