Difference between revisions of "Brasso polish"
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[Reckitt Benckiser, NJ, US] A registered trademark for a commercial metal polish. Brasso is advertised for cleaning and polishing [[brass]], [[copper]], [[chrome|plate chrome]], [[stainless steel]], and [[pewter]]. The slightly viscous, opaque liquid contains [[petroleum distillate]] (60-70%), crystalline [[silica]] (9-12%) and [[ammonium hydroxide|ammonia]] (2-3%). Ammoniated cleaners are not recommended for museum objects. | [Reckitt Benckiser, NJ, US] A registered trademark for a commercial metal polish. Brasso is advertised for cleaning and polishing [[brass]], [[copper]], [[chrome|plate chrome]], [[stainless steel]], and [[pewter]]. The slightly viscous, opaque liquid contains [[petroleum distillate]] (60-70%), crystalline [[silica]] (9-12%) and [[ammonium hydroxide|ammonia]] (2-3%). Ammoniated cleaners are not recommended for museum objects. | ||
| + | == Risks == | ||
| + | [[[SliderGallery rightalign|Brasso Polish FTIR.PNG~FTIR]]] | ||
| + | * Reacts with silver. | ||
| + | * May dissolve paint and varnish. | ||
| + | * Causes stress corrosion cracking of brass coated iron and hardened brass. | ||
| + | * Rothko: [https://www.rothco.com/upload/dealertools/MSDS/10116_Brasso_Metal_Polish.pdf SDS] | ||
| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 0.97 | + | | 0.97 g/ml |
|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| Line 13: | Line 20: | ||
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | + | * J. Moss "Ammoniated Cleaning Solutions" ''British Horological Institute Journal'', August 1997, online [http://www.antiqueclockconservation.com/scc.htm Link] | |
| − | + | * Reckitt: [https://www.reckitt.com/ Website] (As of 2022, Brasso is no longer listed as a product in the US) | |
| − | + | * Cconservation termlist: www.hants.org.uk/museums | |
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 09:23, 10 May 2022
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