Product Description

No Property Unit Normal Value 1 Flexural strength perpendicular to layer At room temperature MPa ≥**0 **0±2℃ 2 Apparent flexural elastic modulus MPa ≥(****0) 3 Compressive strength, perpendicular to layer MPa ≥**0 4 Impact strength parallel to layer (Charpy method) kJ/m2 ≥*3 5 Impact strength parallel to layer.(Cantilever beam method) kJ/m ≥*4 6 Shear strength, parallel to the layer MPa ≥（*0） 7 Tensile strength Lengthwise MPa ≥(**0) Crosswise 8 Electric strength, perpendicular to the layer（at *0℃±2℃ oil.） MV/m Refer to table 3 9 Breakdown voltage, perpendicular to layer direction. kV ≥*5 *0 Dielectric constant Under *8Hz～*2Hz — ≤5.5 under1Hz — ≤5.5 *1 Dissipation factor Under *8Hz～*2 Hz — ≤0.*4 Under 1MHz. — ≤0.*4 *2 Insulation resistance after immersing in water. W ≥5.0×**8 *3 Comparative tracking index. — ≥（**0） *4 Heat resistance for long time. — ≥（**0） *5 Matin`s temperature ℃ under consideration *6 Density g/cm3 1.7～1.9 *7 Water absorption % Refer to table 4 Note: The value in the parentheses for Type ***0 is typical value. Not used as the