Pre-testing method and apparatus for a weathering test

Details Pre-testing method and apparatus for a weathering test Pre-testing method and apparatus for a weathering test

G - Physics

01

N

73/100

G01N 21/84 (2006.01) G01N 17/00 (2006.01)

Patent

CA 1255924

Abstract This invention relates to a pre-testing method for a weathering test. Prior to the weathering test, samples, for example, plastic, fibre, or paint, are exposed to ultraviolet ray radiation emitted from high pressure metal vapor discharge lamp at an energy level capable of deteriorating the samples in a short time. The samples are maintained at a temperature which does not cause deterioration of the sample. Samples to be subjected to the weathering evaluation test are then selected according to the level of deterioration in the pre-test.

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