Coating Systems Inc.                                                
90 Phoenix Avenue, Lowell, MA 01852
ph. 978-937-3712 fax 978-937-9506

Monday-Friday 6:30-4:30

Precious Metals

Coating Systems provides gold or silver finish for your industrial applications.

Our gold is a versatile cobalt alloyed hard finish, and our matte silver has tarnish resistance superior to that secured from conventional silver baths.

Industrial applications include: laser and microwave components, reflectors, relays, contacts, electrical components, scientific equipment, surgical instruments; and aerospace, and US military applications.


Gold-   MIL-G-45204   Good corrosion resistance.  High tarnish resistance.  Has low contact resistance and is a good conductor.  Excellent solderability.  ROHS Compliant.


Silver QQ-S-365  White matte to semi-bright appearance.  Good corrosion resistance.  Tarnishes easily.  Solderability is excellent but decreases with age.  Best electrical conductor.  Excellent lubricity and smear characteristics.  ROHS compliant.