For comments or questions, including reproduction requests, contact the CCI. These resources were published by the Canadian Conservation Institute (CCI). The authors thank Lana Chan and Liz Croome from the Western and Northern Service Centre of Parks Canada in Winnipeg for their ideas, comments and help. Edinburgh: Scottish Society for Conservation and Restoration, 1994. "Display Materials: The Good, The Bad and The Ugly." pp. Ottawa: Canadian Conservation Institute, 2004. Metals and Corrosion: A Handbook for the Conservation Professional. 108-121 in Caring for Your Collections (editor H. Ottawa: Canadian Conservation Institute, 1996. Mechanical Removal of Rust from Machined Ferrous Surfaces. Ottawa: Canadian Conservation Institute, 1997. Ottawa: Canadian Conservation Institute, 1995. Basic Care of Coins, Medals and Medallic Art. Ottawa: Canadian Conservation Institute, 1988. The Cleaning, Polishing and Protective Waxing of Brass and Copper. I made sure the first coat was dry before I added the second coat. Next, I applied two coats of the Modern Masters Metal Effects Primer on the buckets and the box. I found that it was easier to apply this way. Ottawa: Canadian Conservation Institute, 1997. The first thing I did was pour the Modern Masters Aging Solutions Green Patina into a spray bottle. References and acknowledgements References loss of portable, valuable or rare objects.attack organic material associated with metals.corrodes metals above about 65% relative humidity.corrodes metals (from salts and acids on bare hands). cleaning chemicals (especially aerosols).They are often used as a basis for assessing the risks to a collection: Contaminants and pollutants The following factors can affect the deterioration of objects in collections. For more information, see the Canadian Association of Professional Conservators (CAPC) website. Before we examine the pros and cons of choosing a green metal roof or wall system, let’s look at the green sheet and coil color options offered by Sheffield Metals. See Canadian Conservation Institute (CCI) Notes (9 series) available on the CCI website. Provide better ventilation to dilute source of problem (volatile organic acids) and consult a conservator about safe corrosion removal and disposalĭifficulty finding conservation resources Store inside a sealed plastic bag better yet seal inside a plastic bag containing dry silica gel and activated charcoal dry silica gel) to the bag and then resealīlue-green corrosion on copper alloys inside wood caseĪdd ventilation to case consider painting case Break seal by cutting small holes in bag to promote ventilation or.Leave alone to save information about history of use Repeat until the surface has an even coverage of copper. Let dry (about an hour) before applying a second coat. Apply a thin coat using one of the foam brushes. paste of precipitated calcium carbonate and water) Mix the copper surfacer well to ensure that the metal particles are evenly distributed. Problems and Solutions ProblemsĬlean only when necessary use softest abrasive for the job (e.g. Provide reference material for further readingĪuthors Bart Ankersmit, Conservation ScientistĬultural Heritage Agency of the Netherlands.Offer tips for the proper care of metal objects.Act as a visual guide to the problems and damage occasionally observed in metal collections.Help staff responsible for historic houses, museums, churches.The PDF format of this text is also available for purchase as a spiral-bound colour-print booklet from Lana Chan, Parks Canada. Recognizing metals and their corrosion products.1.By Bart Ankersmit, Martina Griesser-Stermscheg, Lyndsie Selwyn and Susanne Sutherland Variegated Gold-Brown (For Cast Bronze and Brass)Ĭlick on preferred chemical name to confirm price and place an order. Reddish Brown (For Cast Bronze and Brass)ģ1. Brown - Greenish Yellow (For Cast Bronze and Brass)Ģ9. Blue Green - semi-matt (For Cast Bronze and Brass)Ģ8. Golden Yellow (For Cast Bronze and Brass)Ģ7. Blue Green (For Cast Bronze and Brass)Ģ6. Black - semi-gloss (For Cast Bronze and Brass)Ģ5. Orange Brown (For Cast Bronze and Brass)Ģ4. Red - Purple Satin (For Cast Bronze and Brass)Ģ3. Red - semi-matt (For Copper & Copper Plate)Ģ1. Select coloring effect and learn how to create it with the formula.Ģ0. Hot Process = Hot solution, Hot metal, Hot rinse water. We suggest they be employed on a "trial and error" basis first so their effectiveness can be judged by the user.Ĭold Process = Cold solution, Cold metal, Cold rinse water. The formulas have not been personally tested so there is no guarantee that they will work. The Science Company has collected these recipes from a variety of sources through the years. Assay - Crucibles, Cupels and Casseroles.
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