Incralac - poseban patentirani lak za bakar i slitine.[1] Razvijen je oko 1965. kao dio istraživačkog programa koji je provela International Copper Research Association (INCRA). Po sastavu Paraloid B 44 otopljen u toluenu, uz dodatak plastifikatora ( epoksidizirano sojino ulje ) te benzotriazola - korozionog inhibitora za bakar i slitine. Dugo se koristi za zaštitu brončanih skulptura, sam ili u kombinaciji sa slojem voska. Trajnost prevlake u vanjskim uvjetima do 2 godine (5 po proizvođaču). Danas je u prodaji i vodom razrjediva verzija.
Dodatna literatura
- Wolf,J.,Grayburn,R.,Khanjian,H.,Hegibotham,A.,Phenix,A. Deconstructing Incralac: A Formulation study of acrylic coatings for the protection of outdoor bronze sculpture,Copenhagen 2017.(online)
- Julie Wolfe & Rosie Grayburn (2017) A review of the development and testing of Incralac lacquer, Journal of the American Institute for Conservation, 56:3-4, 225-244, DOI: 10.1080/01971360.2017.1362863
Izvori
- ↑ MFA Boston Cameo Database http://cameo.mfa.org/materials/record.asp?key=2170&subkey=4786&MaterialName=incralac&Description=&Composition=&CAS=&MohsHardness=&MeltingPoint=&MolecularWeight=&Density=&RefrIndex=&BoilingPoint=&OtherProperties=&Safety=&Authority=&Reference=&ImageName=&ImageCaption=&Search=Search