MPETAl Metallized Film MPPAlF Metallized Film MPPAl Metallized Film

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Capacitor film, metallized film , metallized polypropylene film , metallized polypropylene film for capacitor , capacitor grade metallized film , metallized film for capacitor use,  MPP film ,   metallized polyester film ,  metallized capacitor film , metallised capacitor films.

       Coating a thin Aluminum layer on the surface of plastic film, will get high self-healing Aluminum metallized film for capacitor use.


The prominent feature of metallized film is its self healing ability. That is, when somewhere is breakdown, short-circuit current can make the film around the breakdown area melting and evaporation to recover its insulation property. Thus significantly reduce the impact on the breakdown strength by conductive defects and weakness in paper or film, thereby improving the working field.

Generally the thickness of the metal layer is 5nm-50nm, but on the international it can be 1nm-100nm. In terms of heat resistance, 1nm-100nm is preferred, while consideration of electric properties, 5nm-50nm is more preferred.

Under the same evaporation conditions, the larger the coating thicknessδ, the smaller square resistance (Ω/□) , the smaller the resistance R, the greater the load current, while the worse self healing properties.

■  Features:

Al metallized film has a better over-current performance.

Al metallized film has a better moisture resistance.

■ Types of Metallized Layer:

■ Cores:

  • Material:Plastic

  • Width:Film Slit Width±0.3mm

  • Inner Diameter:75mm +1.0mm/-0.5mm

  • ■ Roll Outer Diameter:


    ■ Specifications of MPETAl metallized film:


    ■ Packing:

  • Roll films are packed in      vacuum plastic bag

  • Bags are marked with lables      of types

  • The bags are packed in      carton cases

  • The cartons are wrapped in      wooden cases or reinforced carton

  • ■ Storge:

  • 1,Metallized film should be      stored in its original package until its use with temperature 5 ~35℃and humidity less than 85%RH.

  • 2,Metallized layer is easily      oxidized when exposure to moisture. Therefore, the film should be used as      soon as possible when opened.

  • 3,The recommended temperature is      15 -25℃with humidity less than 60%RH after the      package is open.

  • 4,With original sealed package,      and stored in the above mentioned conditions, the storage time can be as      following:

  • Al metalized Film: 12 months      from the delivered date

  • Al/Zn Alloy metallized Film:      As Zn is relatively unstable, preservation period depends on the      resistance of the film:

  • Less than 10 Ohms: 6 months      (from delivery date)

  • 10 Ohms to 15 Ohms: 3 months      (from delivery date)

  • 15 Ohms: 1months (from      delivery date)

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Mr. DongJu.Bai
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ShangHai YunYao Industry Co.,Ltd
No552 JiaTang Road, JiaDing Districe , Shanghai, China (Mainland)
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