Sheet Molding Compound

Technic Data No. Project Units Item data Model SMC-I High electric and High mechanic type(902) SMC-II High electric mechanic type(903) SMC-III Normal mechanic type(904) Outlook _ _ The surface should be smooth,no trace,bubble,and color ……

Technic Data
No. Project Units Item data
Model SMC-I High electric and High mechanic type(902) SMC-II High electric mechanic type(903) SMC-III Normal mechanic type(904)
Outlook _ _ The surface should be smooth,no trace,bubble,and color should be same
1 Density g/cm3 1.7_ _1.9
2 Heat resistance of long time temperature 155 155 130
3 Water absorption mg ≦20 ≦20
4 Mould plastic shrinkage rate % ≦0.15 ≦0.15 ≦30
5 Thermal Shrinkage temreture(A) ≧240 ≧240 ≧220
6 Impact strength (simple beam, no gap) kJ/m2 ≧90 ≧60 ≧45
7 Bending strength Mpa ≧170 ≧150 ≧135
8 Insulation resistance(Normal) ≧1.0*1013 ≧1.0*1013 ≧1.0*1012
Insulation resistance(soaking 24h) ≧1.1*1012 ≧1.1*1012
9 Dielectric strength(90℃ oil soaking) MV/m ≧12.0 ≧12.0 ≧10.0
10 Dielectric loss factor(1MHZ) _ _ ≦0.015 ≦0.015
11 Relative dielectric constant (1MHZ) _ _ ≦4.5 ≦4.5
12 Arc Resistant S ≧180 ≧180 ≧150
13 Resistance to traceability index (PT I) V ≧600 ≧600 ≧600
14 Flammability _ _ Fvo Fvo

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