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MPPAl Double-Side And Central Margin Metallized Film

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, when taking electric properties into consideration of electric properties, 5nm-50nm is more preferred.

  • Wire 
  • <= 10uf 
  • 250VAC 
  • Al Metallized Film 
Quantity:

1、Features:
     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.

Al metallized film has a better over-current performance.

Al metallized film has a better moisture resistance.


2、Types of Metallized Layer
 
 
  中留边膜2
Margin size(mm):1.0±0.5、1.5±0.5、2.0±0.5、2.5±0.5、3.0±0.5、4.0±0.5、5.0±0.5
Coating square resistanceΩ/□):1.5±0.5、2.0±0.5、2.5±0.5、3.0±1
 

3、Cores

  1. Material:Plastic
  2. Width:Film Slit Width±0.3mm
  3. Inner Diameter:75mm +1.0mm/-0.5mm

4、 Roll Outer Diameter

roll outer diameter


   5、Specifications of MPPZn/AlH metallized film
性能
Properties
单位
Unit
要求
Requirements
密度Density g/cm3 0.905±0.005
厚度 Thickness µm 3.8 ~ 15
抗拉强度
Tensile Strength
纵向MD
(MPa)
≥100
断裂伸长率
Elongation at Break
纵向MD
(%)
40 ~ 200
热收缩率
Heat Shrinkage
纵向MD
(%)
≤5 ( 120°C, 10min)
( 120°C , 10 min )
介电强度
Break-dowm voltage
V/µm ≥350 ( 23°C, DC )
介电损耗因数
Dissipation Factor
- ≤4×10-4 (20℃,1KHz )
RC ΩF ≥5×104


     6、Packing

  1. Roll films are packed in vacuum plastic bag
  2. Bags are marked with lables of types
  3. The bags are packed in carton cases
  4. The cartons are wrapped in wooden cases or reinforced carton  

7、 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 metalized 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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> Fax:86-562-2821558
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> Email:mpp@film-capacitor.com
> Address:NO.1771 QiFeng Road, Shizishan Economic Development Zone,Tongling, Anhui, China
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