Effect of color variation of PVC-coated fabric (Type C) on stain appearance -Evaluation of stain of membrane materials for membrane structures (Part. 1)-

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Publication year 1994
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Title Effect of color variation of PVC-coated fabric (Type C) on stain appearance -Evaluation of stain of membrane materials for membrane structures (Part. 1)-
Author Hiroshi Toyoda,Junko Yoneda
Summary Stain appearance of Type C membrane materials for membrane structures was studied after subjecting them to outdoor exposure tests. Evaluation of stain appearance was carried out by sensory test and colorimetry. It can be said that stain is more conspicuous in the case of light colored membrane materials than darker ones. It can also be said that sense of stain degree corresponds to value of brightness of the materials. For the purpose of comparing the materials for stain degreeüEîit is desirable to evaluate by color difference.