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• PRESS
RELEASE • FOR IMMEDIATE RELEASE: COLORED PENCIL LIGHTFASTNESS STANDARD HAS BEEN ACHIEVED (ASTM D6901)
In the late 1970’s, after years of testing, lightfastness standards were written for oils, watercolors, acrylics, and alkyds. Since then, paints suitable for fine artwork (ie: will not fade over time) are marked with Lightfastness symbols I and II, providing artists the option of choosing materials that have been stringently tested for lightfastness. In the early 1990’s, a standard for gouache was written. Testing has just begun for a pastel and inkjet ink lightfastness standard. In the early 1990’s, with the founding of the Colored
Pencil Society of America, CPSA, and the increasing use of colored pencil
for creating fine art, it became necessary to have a standard of lightfastness
for this medium. The impetus for a standard from artists and
CPSA was overwhelming. The ASTM process started ten years ago with a phone call to Vera Curnow, CPSA Founder, from Joy Turner Luke who is on the ASTM (American Society for Testing and Materials) subcommittee. Mentored by Ms. Luke, Rhonda Farfan, CPSA’s Vice President of Consumer Standards, began testing the lightfastness of colored pencil ten years ago using the Blue Wool References as controls. Because of Ms. Farfan’s continuous involvement with lightfastness of the medium, she would be the CPSA representative to the subcommittee meetings, and has worked diligently with every aspect of this standard. For research beginnings, CPSA thanks the following: National Center for Preservation Technology and Training and the Samuel H. Kress Foundation who funded James Martin's (Orion Analytical) research of the organic content of colored pencils - Ross Merrill of the National Gallery of Art who urged and helped Mark Gottsegen of the University of North Carolina toward the idea of the grant for lightfastness research - The Canadian Conservation Institute and National Artists' Equity who participated in early work. Research began in the early 1990’s and has just culminated in 2003 in the writing of ASTM D6901 Standard Specification for Artists’ Colored Pencils. Involved in the development of this standard were colored pencil manufacturers, specifically Bruynzeel/Royal Talens, Derwent, and Sanford Corporation. Of these, two manufacturers developed lines of colored pencils that would meet a standard even before the standard was fully drafted. Their products, Derwent Signature and Royal Talens Van Gogh, were researched using the same testing that would ultimately go into the standard. Many interested factions were involved: Consumers,
artists of the Colored Pencil Society of America, collectors, Museum
Conservators from the National Gallery of Art, the Getty, and the
Canadian
Art Institute, art supply retailers and wholesalers, colored pencil
manufacturers and manufacturers of other art mediums also participated. The lightfastness standard is on to its next step. Because ASTM D6901 is so recent, no colored pencil manufacturer has yet had time to officially comply with it, although the two companies mentioned prior have manufactured and tested pencils which will be able to comply when officially tested. When companies do comply, colored pencils will be marked with Lightfastness I and II symbols, allowing artists to choose lightfast colors. Complying with the standard is not mandatory. Knowledgeable artists can make a difference and convince colored pencil manufacturers that their compliance with the ASTM D6901 standard will assure continued use of their product. The standard is written and the advantage is in the artists’ court. The quality of materials depends on how much effort the artist is willing to expend in contacting manufacturers requesting lightfast quality material. |
For more information on these Product
Research Related Subjects, please contact
Betsy Holster
productresearch@cpsa.org