PMP
Description
--Double sides capacitor paper/Polyester film flexible Laminate is a three-layer flexible composite material.
--The thicker Polyester film you choose, the higher electrical strength is.
Features and Aplication
--Insulation class: B class (130 °C)
--Both softness and mechanical strength are considered, and formability and wettability are good.
--As wrapping insulation of electric device and automatic inserting winding slot insulation of small size electric motor.
Availability
--Form: roll, sheet, strip
--Colur: Regular color is natural brown. Special colours can be provided on request.
--Four layers can be produced on request.
Layers structure
--Three layers: polyester film is bonded with insulating paper.
--Middle Layer: Polyester film(PET) for Electrical Purposes
--Outer Layer: 100% Sulfate wood pulp presspaper
Certification
--The insulation system has been approved by UL (NO.: E310670) and the products have passed ROHS and RECH test.
Performance requirements of indicators as follows
|
No. |
Item |
Unit |
Value |
||||
|
1 |
Thickness |
mm |
0.05 |
0.06 |
0.07 |
0.08 |
0.10 |
|
2 |
Tolerance of Thickness |
mm |
±0.005 |
±0.006 |
±0.007 |
±0.008 |
±0.01 |
|
3 |
Grammage and tolerance |
g/m3 |
65±7 |
80±8 |
90±9 |
100±10 |
140±14 |
|
4 |
Tensile strength (vertical) |
N/10mm |
≥50 |
≥60 |
≥70 |
≥80 |
≥100 |
|
5 |
Breakdown Voltage |
Kv |
≥5 |
≥6 |
≥7 |
≥8 |
≥10 |
|
6 |
Bonding strength at room temperature |
No delamination |
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|
7 |
Bonding strength at (130±2℃ 10min) |
No delamination,noneffervescent ,no gummosis |
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|
8 |
SHRINKAGE(%) |
< 3 |
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