Brasso polish
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Description
[Reckitt Benckiser, NJ, US] A registered trademark for a commercial metal polish. Brasso is advertised for cleaning and polishing brass, copper, plate chrome, stainless steel, and pewter. The slightly viscous, opaque liquid contains petroleum distillate (60-70%), crystalline silica (9-12%) and ammonia (2-3%). Ammoniated cleaners are not recommended for museum objects.
Risks
- Reacts with silver.
- May dissolve paint and varnish.
- Causes stress corrosion cracking of brass coated iron and hardened brass.
- Rothko: SDS
Physical and Chemical Properties
| Density | 0.97 g/ml |
|---|---|
| Boiling Point | 159.9 |
Resources and Citations
- J. Moss "Ammoniated Cleaning Solutions" British Horological Institute Journal, August 1997, online Link
- Reckitt: Website (As of 2022, Brasso is no longer listed as a product in the US)
- Cconservation termlist: www.hants.org.uk/museums