聚丙烯

Properties ASTM Test Condition Unit Typical Values
Grade PPGF20 PPGF30 PPGF40
Density D-792 - g/cm3 1.05 1.15 1.20
Moistureabsorption D-570 23°C,24hrs % 0.02 0.02 0.02
Melt fiow rate D-1238 230°C/2.16kg g/10min 9 6 9
Tensile Strength D-638 10mm/min MPa 75 85 48
Strain at break D-638 10mm/min % 10 9 8
Flexural strength D-790 2mm/min MPa 100 120 80
Flexural modulus D-790 2mm/min MPa 3600 5000 4500
IZOD Impact Strength(notched) D-256 3.2mm,23°C KJ/ m2 7.5 8.0 4.5
3.2mm,-40°C KJ/ m2 - - -
Rockwell Hardness D-785 R-Scale - 115 115 115
HDT D-648 1.82MPa °C 150 158 135
Coefficient of linear thermal expansion D-696 - *10-5/°C 10 10 10
Volume Resistivity D-257 - Ω•m 1017 1017 1017
Resist electric arc track sex D-495 - sec - - -
Dielectric strength Insulation D-149 - Mv/m 41 41 42
Mold Shrinkage D-955 1mm % 0.4~0.6 0.3~0.5 0.5~0.7
23°C,60RH
Dissipation factor D-150 1MHz - - - -
Flammability UL-94 1/16" - HB HB HB
Comparable Brand LG
GP-2200 LG
GP-2300 LG
HM-4354
 



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