Independent Tests

The following leading research laboratories have conducted independent tests that confirmed the safety and effectiveness of the Bookkeeper^® process.

Institute of Paper Science and Technology (Atlanta)

Institut Royal du Patrimoine Artistique (Belgium)

TNO (The Netherlands)

Meets ISO 14523 Photographic Activity Test
– Data from independent test performed at the Image Permanence Institute at Rochester Institute of Technology

Chicago Paper Testing (Chicago)

Library of Congress

If you are interested in reading the results of these independent tests, please contact us.