Cleaning techniques: presentation of a case study of capillary washing at the Universidade Federal de Pelotas, Brazil


  • Silvana de Fátima Bojanoski
  • Azrid Araí Andrade Arroyo

Palabras clave:

conservation, aqueous cleaning, capillary system, works on paper, Sontara® PrintMaster.


The article presents a case study of an aqueous capillary washing procedure applied to an engraving, based on the materials and techniques presented in the International Course on Paper Conservation in Latin America: Meeting East. These contents, included in the Paper conservation subject of the Advanced course on cultural property conservation and restoration at the Universidade Federal de Pelotas, located in Brazil, were carried out by students, under guidance, in an experimentation and learning process. After a brief discussion on the principles of capillary washing and on the non-woven fabric Sontara® PrintMaster, the steps to create the capillary washing system and the results achieved are shown in the conclusions, highlighting some issues related to the modifications made to the system to achieve better results, the validity of the use of Sontara® PrintMaster non-woven fabric and deionized water in works on paper conservation procedures in Brazil.


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Book and Paper Group Wiki y American Institute for Conservation (AIC) (2021) BPG Washing [online], available in: <> [accessed on January 10, 2021].

Huhsmann, Enke, y Hähner, Ulrike (2007) “Application of the non-woven viscose fabric Paraprint OL 60 for float screen washing of documents damaged by iron gall ink corrosion”, Restaurator (28): 140–151.

Metalgamica Produtos Gráficos (2021) DupontTMSontara® Print Master [online], available in: [accessed on May 25, 2021].

Schalky, Hilde, Iedma, Piet, Reissland, Birgit, and van Velzen, Bas (2011) “Aqueous treatment of water-sensitive paper objects. Capillary unit, blotter wash or Paraprint wash?”, Journal of Paper Conservation, 12 (1): 11-20.




Cómo citar

Bojanoski, S. de F., & Andrade Arroyo, A. A. (2023). Cleaning techniques: presentation of a case study of capillary washing at the Universidade Federal de Pelotas, Brazil. CR. Conservación Y Restauración, (24), 365–372. Recuperado a partir de



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