Degradation phenomena
Surface Whitening
Blanching
A chromatic alteration manifested as a result of a lightened or whitish area in a paint or varnish layer that was previously transparent and clear, which appears following the application of a solvent. The area affected can often be matter than the surroundings.Related terms
BleachingCOMMENT:COMMENT: Blanching is due to microscopic defects (voids, granules, micro-cracks etc.) that develop within a film layer as it ages. The defects can scatter light making the affected area appear lighter than the surrounding areas
Literature
Burnstock A., Odlyha M., Caldwell, M., A Technical Examination of Surface Deterioration of Stanley Spencer’s Paintings at Sandham Memorial Chapel.,1993, in: ICOM Committee for Conservation tenth triennial meeting, Washington, DC, 22-27 August 1993: preprints,pp 231-238Singer B., Davenport J., Wise D.,, Examination of a Blooming Problem in a collection of unvarnished oil paintings,1995, in: ,
Koller J., Burmester, A., , Blanching of Unvarnished Modern Paintings: A Case Study on a Painting by Serge Poliakoff,1990, in: ,pp 138
Surface Whitening
(White) HazeBlanching
Bloom
Crazing
Crizzling
Crust
Efflorescence
Ghosting
Protrusions/Aggregates
White Phenomena
Whitening