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Good News for Paper Scientists
Atlanta, Georgia c May 3, 2000
The Institute of Paper Science and
Technology now offers computer controlled measurement
of paper dimensional changes caused by humidity. The
new instrument, a Varidim Analyzer, tests up to 10 samples
and continuously measures length changes during programmed
humidity cycles. Humidity can be cycled from 15 to 90%,
Cycle rates and times are selected by the user.
Miranda Bliss, IPST manager, explained "We
expect the Varidim Analyzer will be a good tool for customers
who must understand how paper reacts to changes in moisture
content. Ink jet papers, pressure sensitive laminates,
printing papers and copy papers are examples where moisture
content changes significantly during product use. Varidim
will dynamically measure length changes through one cycle
or many cycles. We are delighted to be offer this new
service to IPST customers."
The Varidim Analyzer was developed
by Dr. Jean-Marie Serra-Tosio of the French EFPG. The
instrument is manufactured by Techpap and marketed in
North America by CyberMetrics. Techpap and CyberMetrics
are providing a Varidim unit to the IPST for ongoing
research and use by the paper analysis group. According
to Dr. Thierry Cresson, president of CyberMetrics, "Until
now, all the Varidim analyzer in the US were in private
hands. We salute IPST leadership in making fast precise
hygroexpansivity measurement available to the North American
paper industry."
To learn how IPST and Varidim can
accelerate your research, contact Miranda Bliss at +1-
404-894-5757 or e-mail to miranda.bliss@ipst.gatech.edu. Varidim
tests are priced on a project basis. IPST member companies
qualify for a discount.
IPST is an independent, privately
funded graduate school and research organization supporting
the pulp and paper industry through education, research,
technology transfer and information services. IPST provides
analytical services for pulp, paper, chemicals and fiber.
Ask for our Research Services publication.
For more information contact David Bell at David.Bell@ipst.gatech.edu.
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