A
new test is available in order to assess the behaviour of
stained and painted softwood with knots. This is because knots might give rise to a
natural yellowing due to exposure to light, appearing as an indelible “stain” on furniture surfaces.
The procedure is based on an
artificial weathering test which simulates the natural weathering of wood in an indoor environment and allows to evaluate the degree of colour change specific of the knots. The test can also be useful to asses the characteristics of the specific timber used and the ability of the coating to reduce this phenomenon.
CATAS, initially asked by an important international client, has immediately set up this kind of test to provide it to its customers. After two months from the beginning of the tests about
fifty samples had already been tested, underlining the importance of this method not only for the producers of furniture and other wood-based products, but also for the coating manufacturers.
Contacts: Sara Moruzzi
Phone: +39 0432 747262
email:
moruzzi@catas.com
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