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Location Variations as an Obstacle to Light Fade Testing

机译:位置变化是淡入淡出测试的障碍

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摘要

The validity of lightfastness predictions based on standardized reference models that rely on a single testing environment was studied. The lightfastness of identical sample sets were evaluated for the same duration of sunlight exposure in five different locations around North America. The study showed that identical samples in different locations fade to differing degrees even when exposed to a consistent duration of irradiance. Furthermore, the relative fade rate was inconsistent from one sample type to another. Therefore, an accurate coiorfastness prediction for a specific colorant must be determined by testing that colorant under the actual use conditions and environment.
机译:研究了基于依赖于单个测试环境的标准化参考模型的耐光性预测的有效性。在北美地区的五个不同位置,针对相同的日照时间评估了相同样品组的耐光性。研究表明,即使暴露在持续的辐照持续时间内,位于不同位置的相同样品也会以不同程度褪色。此外,从一种样品到另一种样品的相对褪色率不一致。因此,必须通过在实际使用条件和环境下测试该色料来确定特定色料的准确色牢度预测。

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