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Capacitor Production Materials
Aluminum Foil for CapacitorsThin Gauge Aluminum Metallized Films for Capacitors
Capacitor Papers for Electrolytic and Electrostatic CapacitorsThe papers produced by the MH Technologies are world renowned for their quality and consistency. There are wide ranges of papers available for many different types of capacitor requirements. Densities of the electrostatic capacitor papers range from the standard 1.0 density to high density 1.35 g/cc. The metallizing grade papers are available pre-dried (with a low moisture content) to enable metallization without any further processing of the papers. Low and medium density electrolytic papers are produced in various grades and base pulps. Other single papers can be produced to your specifications. Tin, Lead and Alloy Foils for Capacitors
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These foils are rolled by
Alcan Singen of Singen, Germany to very thin gauges
ranging from .00016" (4.0 microns) to .00040" (10 microns)
especially for electrostatic capacitors. The capacitor
foils are rolled in alloy AA1200 (99.2% minimum aluminum).
Though most of our capacitor foils are supplied fully
annealed and dry, the annealing process leaves some minute
amounts of residual rolling oil on the foil surface.
Accordingly, we only use special rolling oils which are
laboratory tested to be compatible with a wide range of
capacitor impregnating fluids. These thin foils can be
slit from 2 mm (3/32") to 635 mm (25 inch) widths by their
sister company Alcan Kreuzlingen. For foil widths over 254
mm (10 inches) APK can Laser Treat or Laser Slit one edge
of the foil. This laser treatment rounds the edge and
removes all the burrs associated with knife slit foils and
adds an oxide layer on the foil edge - all of which
provides a significant advantage in today's high stress
extended foil capacitor designs.
Using state of the art techniques and
in-house custom designed and built metallizers and
slitters, we supply the highest quality metallized films
to the capacitor industry. All of our films are
metallized and slit by Birkelbach Kondensatortechnik of
Erndtebrueck, Germany, in an ISO 9002 certified
facility. A full range of capacitor films can be made to
your exacting requirements: 
Most of our products are available in
standard widths ranging from 4 mm to 300 mm (6 inch)
with margins of 0.4 mm to 6.0 mm. For special
requirements, we can supply widths and margins as narrow
as 2 mm and 0.2 mm respectively and as great as 600 mm
and 10 mm respectively. Our production range includes:
blended, step and tapered heavy edge, series and
multi-margin patterns, segmented electrodes, double
metallization with metal and margins on both sides of
the film, heavy and light resistivity electrodes. Many
combinations thereof are also available. 
Our
tin and tin alloy foils for capacitor and electronic
applications are manufactured by the world leader in one
of their many production facilities. Each plant is
designed to meet the stringent requirements of the
electronics field and is ISO 9000 certified. Gauges run
from .00020" (5.0 mm) through .002" (50 mm) though alloy
may limit the minimum thickness. To meet the growing need
for lead and antimony free products, our mill has
developed both a lead free alloy and an antimony free
alloy suitable for the electronics market. Our standard
alloys include: