博文

目前显示的是 十月, 2022的博文

Xenon lamp aging test chamber for textile testing

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Textiles are usually exposed to light during use, which can destroy dyes and cause "fading", discoloring colored textiles, generally lighter and darker. Is there any way to simulate sun exposure? The answer is yes, that is to use a xenon lamp aging test chamber. The lightfastness of dyes used in the textile industry varies widely, and some method of determining their colorfastness is necessary. In addition, the dyed material will also affect the light fastness of the dye. The test method of the xenon lamp aging test chamber for textiles is: Expose the test cloth samples and a group of lightfast blue wool standard samples dyed with blue dyes of different color fastness grades at the same time and under the same conditions. When the cloth sample has faded sufficiently, compare the cloth sample with the blue wool standard sample. If the fading degree of the cloth sample is similar to that of the blue wool standard sample 4, then its light fastness is rated as 4. The Q-sun Xenon ...

How can I accurately test the shrinkage of textile fabrics?

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How can I accurately test the shrinkage of textile fabrics? Weaving yarns are unisex materials, warp and weft yarns are not interwoven into the fabric before, can be under a certain tension in a straight state, but when weaving, warp and weft yarns interlocked floating, the yarn is changed from the original straight state into a waveform flexure state, the length is shortened, thus forming a different structure of the fabric, so that the length of the woven fabric is shorter than the original length of the yarn and the formation of weaving shrinkage. Weaving shrinkage has an impact on the strength, thickness, density, weight, appearance and shrinkage of the finished product. As the warp and weft yarns of raw material thickness, density and fabric organization and on the machine process parameters, etc. different, warp and weft yarns can have a variety of cooperation between the relationship, therefore, the weaving shrinkage rate is also different.   Fabric weaving shrinkage rate is...