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[求购信息] 交联发泡PE
P:2008-12-24 14:32:04
2
交联是不是为了耐温性?我有一款发泡料发泡度高,耐温、电气性能好!
ELECTRICAL PROPERTIES**
Typical
Value*
Unit
Test Method
Dielectric Constant
1 MHz 2.18 – IEC 250
Dissipation Factor
1 MHz 3 ⋅ 10-4 – IEC 250
DC Volume Resistivity, 500 V >1 ⋅ 1017 Ω cm IEC 93
Dielectric Strength >30 kV/mm IEC 243
** Measured on not expanded material
PHYSICAL PROPERTIES
Typical
Value*
Unit
Test Method
Density 904** kg/m3 ISO 1183-D
Melt Flow Rate MFR (230°C/2.16
kg)
5.5** g/10 min ISO 1133 Cond. 4
Tensile Strength at yield 35/13** MPa ISO 527/1A
Elongation at yield 8/700** % ISO 527/1A
Vicat Softening Temperature 151 °C ISO 306
Heat Deflection Temperature 92** °C ISO 75-2, Method B (0.45
MPa)
Brittleness temperature -20** °C ISO 974
Ageing 10 days 120°C ≥ 125 %
* Data should not be used for specification work
** Measured on unexpanded material