6520/6521-Polyester film / Presspaper
Type
Film Nominal Thickness (μm)
Breakdown Voltage (Kv)
No Bending
After Bending
6520-23
23
≥6.0
≥5.0
6520-36
36
≥7.0
6520-50
50
≥8.0
No.
Properties
Unit
Values
1
Nominal Thickness
mm
0.15
0.17
0.20
0.25
0.30
0.45
2
Thickness Tolerance
±0.020
±0.030
±0.040
3
Bond Strength
At Room Temp.
—
No delamination
4
At (130±2)℃, 10 min
No delamination, No blister,
No adhesive flow
