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dk nkf - Nordisk Konservatorforbund Danmark

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e unchanged or, with clear or semi-transparent<br />

coating, looking much like the authentic surface.<br />

These coatings can, however create a plastic shine<br />

that changes an object’s appearance very much. The<br />

plastic look seems less obvious when the coating<br />

has a wax-like appearance (not too shiny).<br />

Protective coatings must either be very reliable<br />

or must be regularly checked and maintained.<br />

The conservator must make reasonably realistic<br />

predictions on a treatment’s protection time and,<br />

in choosing, be aware of the costs of any needed<br />

follow-up maintenance. Having the possibility of<br />

weighing options of treatment against each other<br />

by using a decision-making model can make the<br />

considerations of conservation more precise and<br />

thought-through before acting.<br />

Acknowledgements<br />

It is with gratitude that I received suggestions from<br />

conservation scientist, PhD Michelle Taube on<br />

several aspects in the preparation of this paper. The<br />

illustrations used are mine but have been optimised<br />

by photographer Svend Erik Andersen.<br />

Author<br />

Karen Stemann-Petersen<br />

National Museum of Denmark<br />

Department of Conservation<br />

I.C. Modewegsvej, Brede<br />

DK-2800 Lyngby<br />

Denmark<br />

Email: karen.stemann@natmus.<strong>dk</strong><br />

References<br />

1) To learn more about products small<br />

comparative tests of clear coatings on iron<br />

samples prepared in different ways has been<br />

carried out by colleagues at the Conservation<br />

Department: Vivi Lyndborg Andersen in 1982,<br />

Susanne Petersen and Karen Stemann Petersen<br />

1993 and Torben Holst and Bodil Taarnskov<br />

1997. All are unpublished.<br />

2) Shashoua, Y., Taube, M. and Holst, T. 2009:<br />

National Museum of Denmark, Department of<br />

Conservation: Ongoing comparison of coatings<br />

for iron and steel. Personal communication.<br />

3) Götz, K. and Seipelt, B. 1996: Der Schutz von<br />

technischem Kulturgut gegen atmosphärische<br />

Korrosion. Wihr, R. (Ed.), AdR-Schriftenreihe<br />

zur Restaurierung und Grabungtechnik, heft 2,<br />

p. 95-100.<br />

4) Hummelen, I-J. (Ed.) 1999: The decisionmaking<br />

model for conservation and restoration<br />

of modern and contemporary art. Modern Art:<br />

Who Cares? Foundation of the Conservation of<br />

Modern Art and the Netherlands Institute for<br />

Cultural Heritage, pp. 164-172.<br />

5) Otieno-Alego, V., Heath, G., Hallam, D. and<br />

Creagh, D. 1998: Electrochemical evaluation<br />

of the anti-corroison performance of waxy<br />

coatings for outdoor bronze conservation.<br />

Mourey, W. and Robbiola, L. (Ed.), Metals 98,<br />

p. 309-319.<br />

Products<br />

Cortec VCI 386 from: Cortec Corporation, 4119<br />

White Bear Parkway, St. Paul, MN 55110<br />

USA email: info@corteccvci.com http://www.<br />

CortecVpCI.com<br />

Dinitrol 4010 from: DINOL AB, Garnisionsvagen,<br />

Hassleholm, Sweden. Tel: +46 45 18 80 00<br />

Grafital 350, a graphite containing alkyd-drying oil<br />

paint from: Salcolor, Sofielundsvej 52, DK-<br />

2600 Glostrup, Denmark.<br />

Rustilo 2000 from: Castrol a/s, Hasselager<br />

Centervej 15, DK-8260 Viby, Denmark.<br />

Rust-Oleum 1080, 7500 and a spray-paints from:<br />

Rust-Oleum Brands Company, 11 Hawthorn<br />

Parkway, Vernon Hills, Illinois 60061, USA.<br />

153

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