Matte Tin Plating
Gleco offers rack and barrel matte tin plating for those customers seeking a cost-effective, corrosion-resistant finish that will retain its color in high-temperature environments.
Containing few additives, matte tin is non-toxic and non-carcinogenic, containing 100% pure tin. Gleco offers ASTM-B-545, MIL-T-10727, and AMS-2408 Dull Matte Tin plating.
The Matte Tin Process
Matte tin is electrodeposited onto metal substrates using the following process:
- Cleaning: Electrolytic degreasing and rinsing are used to ensure the substrate surface is free of contaminants such as oil and grease.
- Solution preparation: Electrolytic baths can contain acid tin, alkaline tin, or methyl sulphonic acid.
- Electrodeposition: Cathodes and anodes are used to layer the matte tin onto the components.
- Post-processing: Parts are passivated, and heat treated as necessary.
Benefits of Matte Tin Plating
Matte tin plating offers several advantages, including:
- Anti-galling properties
- Corrosion resistance
- Low-contact resistance
- No whiskering
Matte Tin Plating Uses
Matte tin plating is used to provide a dull, white conductive finish to the following materials:
- Stainless Steel
Matte tin deposits have low carbon content. This makes them ideal for use on circuit boards and electronic components that employ lead-free soldering.
In addition to the electronics industry, matte tin is also used by the aerospace, automotive, food processing, telecom, and medical industries for:
- Food service equipment
- Bearing surfaces
- Electric bus bars
- Circuit breakers