P.I.R.A. test
Revision as of 06:11, 24 July 2013 by (username removed)
Description
An abbreviation for the Printing Industries Research Association test used to evaluate the condition of vegetable tanned leathers. The P.I.R.A. test examines the extent of deterioration caused over a seven day period by the exposure of a leather specimen to sulfuric acid and hydrogen peroxide. Leather that becomes black and gelatinized is deemed unsatisfactory for use.
Synonyms and Related Terms
Printing Industries Research Association test; PIRA test
Additional Information
° M.Roberts, D.Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington, DC, 1982.
Authority
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982