Plastic Film Metallized Polyester Film Used for
CapacitorsOur company has 8 large-scale high vacuum coating equipment, 24 intellectualized slitting machines.
Professional manufactures variours formations of metallizded
polypropylene & polyester film for capacitors use.Types of
Metallized Layer:Base filmpolypropylene filmPolyester
filmNormal thickness2.0μm ~12.0μm1.9μm ~12.0μmMargin
typeSingle marginCoating metal Zinc-Aluminum alloyCoating
side SingleEdge structure Heavy edge Square
resistance: Normal
film Width and MarginNote: If customer needs other resistance, film
width or margin, please contact us.Inside/outside core
diameter: Inside core diameter/ToleranceOutside core
diameter/Tolerance75mm+1/-0.5mm175220280320±25mm±20mm±20mm±20mmNote:
A pair tolerance of outside core diameter ≤2mm.More type Metallised
capacitor plastic film pictures:Metallised capacitor film
Application:To produce all kinds of the film capacitorsMetallised
capacitor film producinng and packing:Specifications of metallized
film:Metallised polypropylene film (MPP Film):PropertiesUnitTypical
valueDensityg/cm30.905±0.005 Thicknessµm2.0 ~ 12Tensile
StrengthMD (MPa)≥100Elongation at BreakMD (%)20~200Elastic
ModulusMD (MPa)2800Heat ShrinkageMD (%)≤5 ( 120°C,
10min)Wetting TensionmN/m38 (Corona treated side)Surface
Roughnessµm0.08Melting PointºC172Volume
ResistivityΩ.m>1015Break-dowm VoltageV/µm≥350 ( 23°C, DC
)Dielectric Constant 2.2 (20ºC,1KHz)Dissipation
Factor ≤4×10-4 (20ºC,1KHz )RCΩF≥5×104Metallised
Polyester Film (MPET Film):PropertiesUnitTypical
valueDensityg/cm31.4 Thicknessµm1015 ( 23°C,
Humidity 50%)Dielectric Constant 3.2
(20ºC,1KHz)Dissipation
Factor-≤60×10-4 (20ºC,1KHz )RCΩF≥1×104Packing:Film rolls are packed in plastic bags, vacuumed and put into desiccant for heat sealing.The
Bags are marked with type labels, mark thickness width, free margin
width and resistance.The bags are packed in carton cases.The
cartons are wrapped by wooden cases or
reinforced carton.Storage:Metallized film should be stored in its
original package with temperature 5 - 35ºC and humidity less than
85%RH before using.Metallized layer is easily oxidized when
exposure to moisture. Therefore, the film should be used as soon as
possible when opened. The recommended temperature is 15 -25ºC with
humidity less than 60%RH after openingWith original sealed package,
and stored as mentioned above, the storage time can be as
following: Al metallized film: 12 months from the delivery date.
Al/Zn Alloy metallized film: As zinc is quite unstable , the
storage period (from delivery date) depends on the resistance of
the film:≤10 Ω/square: 6 months 10 ~30Ω/square: 3 months
>30Ω/square: 1monthFAQ: Ask: Which type of the metallized
capacitor film your factory producing ?Reply: Metallized
polypropylene film & Metallised polyester film for
capacitor use.Ask: What are the thickness you are producing ?Reply:
Metallized polypropylene film from 2um
to12um. Metallized polyester
film from 1.9um-12umAsk: If your factory could produce the
wave cut metallized film ?Reply: Yes, we could be according to your
requirement to wave cut.Ask: For the metallized capacitor
film are very easy oxidation, how do you protect the film and
transport them safty to our factory ? Reply: For our
packing is as follows:1.Roll films are packed in vacuum plastic bag
and heat-sealed with desiccants.2.Bags are marked with
labels of types.3.The bags are packed in carton cases.4. The
cartons are wrapped in wooden cases or reinforced
carton. 5. If the goods are bad of packing
problems,we will Indemnify the goods.Ask: what is the quantity for
one 20ft container loading?Reply: usually 7-8tons. (details
according to your specification) /* January 22, 2024
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