1.The film is wound around a strong core with the metallized layer facing inward. After the film has been wrapped, there will put a paster on the margin. The specified external disk diameter can be achieved.In addition, the coils are separated by plastic foam to protect the electrodes.
2.Products Types
(1)Single margin Opp film with one side Zn-Al metallized
(2)Single margin Opp film with slope resistance one side Zn-Al metallized
(3)Single margin Opp film with high resistance one side Zn-Al metallized
(4)Segmented metallized film
(5)Middle margin PET film with double sided Al metallized
(6)Single margin OPP film with one side Al metallized
(7)Double margin OPP film with one side Al metallized
(8)Multi-margin OPP film with one side Zn-Al metallized
(9)We can design and produce all kinds of metallized film for capacitors according to customer's requirement
3.Parameters Of MPP Film
Properties | Unit | Typical value |
Density | g/cm3 | 0.905±0.005 |
Thickness | um | 2.2-15 |
Tensile Strength | MD(MPa) | ≥100 |
Elongation at Break | MD(%) | 20~200 |
Elastic Modulus | MD(MPa) | 2800 |
Heat Shrinkage | MD(%) | ≤5 ( 120ºC, 10min) |
Wetting Tension | mN/m | 38(Corona treated side) |
Surface Roughness | µm | 0.08 |
Melting Point | ºC | 172 |
Volume Resistivity | Ω.m | >1015 |
Break-dowm Voltage | V/µm | ≥350(23ºC,DC) |
Dielectric Constant | 2.2 (20ºC,1KHz) | |
Dissipation Factor | ≤4×10-4(20ºC,1KHz ) |
4.Parameters Of MPET Film
Properties | Unit | Typical value |
Density | g/cm3 | 1.4 |
Thickness | um | <5 5 ~12 ≧12 |
Tensile Strength | MD(MPa) | ≥84 ≥108 ≥120 |
Elongation at Break | MD(%) | ≥22 ≥33 ≥44 |
Elastic Modulus | MD(MPa) | 3500 |
Break-dowm Voltage | V/µm |
≧200 ≧250
(23ºC,DC) (23ºC,DC) |
Heat Shrinkage | MD(%) | ≦2.5(150ºC, 10min) |
Surface Roughness | µm | 0.095 |
Melting Point | ºC | 256 |
Volume Resistivity | Ω.m | >1015 |
Dielectric Constant | 3.2 | |
Dissipation Factor | ≤60×10-4 | |
RC | ΩF | ≥1×104 |
Width:4.5-130mm Thickness:1.9-12um Margin Value:0.5mm 1.0mm 1.5mm 2.0mm 2.5mm ID(mm):75 OD(mm):180/240/270/320 Specification:Pet Film For Capacitors Types Of Metallized Layer:Al Metallized Film、Zn/Al Metallized Film Density:0.905+/-0.005g/cm3 Processing Type:Vacuum Coating ...
1.Normal Specification (1)Item:Metallized Polyester Film (2)Thickness(um):2/3/4/5/6/7/8/9/10/12 (3)Width(mm):14/17.5/21/26/30/35/37.5/40/45/50/55/60/65/70/75/80/85/90/95/100/115/120/125/130 (4)Margin Value(mm):1.0/1.5/2.0/2.5/3.0 (5)ID(mm):75 (6)OD(mm):180/240/270/320 ...