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CNCSheet Metal
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Surface Finishing

Chemical conversion coat (Chem film)

Chemical conversion coat (Chem film) is commonly used in industries such as aerospace, automotive, and electronics, providing corrosion resistance, anti-fouling, and improved adhesive properties.

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Introduction to Chemical conversion coat (Chem film)

Chemical conversion coat (Chem film)
Chemical conversion coat (Chem film)
Description

Non-chromic chemical conversion coating provides corrosion resistance and good conductivity properties. Adds very little thickness, about 0.00001”-0.00004”. Chem film will conform to MIL-DTL-5541, TYPE II.  It contains no hexavalent chromium, a substance which became regulated under RoHS directive in Europe and so forth as an environmentally hazardous substance.

Technical Properties

Applicable Sharp edges and burrs Premium appearance availability Tolerances
Metals Removed Yes Met after surface finish

Applicable Materials

Metal:Aluminum

Example of a Chemical conversion coat (Chem film) Part

Chemical conversion coat (Chem film)
Chemical conversion coat (Chem film)
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