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Basic dyeing of disperse dyes

Disperse dye dyeing polyester is generally carried out under acidic conditions. The basic dyeing method has the advantages of effectively removing oligomers, shortening dyeing time, stabilizing color and saving energy
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Mercerizing process principle

The difference between mercerization and alkali shrinkage
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How to identify spandex, PTT and T-400 these three elastic fibers?

How to identify spandex, PTT and T-400 these three elastic fibers?
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Discharging and stripping processes for common dyes

Discharging and stripping processes for common dyes
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Why does spandex fabric need to be pre-shaped? The maximum temperature cannot exceed 195°

In the dyeing and finishing of spandex, if the process is not appropriate, it will cause problems such as loss of elasticity and wrinkling. Therefore, the dyeing and finishing of spandex must focus on these two major issues and adjust the process appropriately to meet customer requirements.
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Visual Rating of Ten Common Color Fastnesses

In all the tests of color fastness, the final step is the color fastness rating. So how is color fastness rated? At present, most of the current color fastness test methods are to conduct simulation tests or comprehensive tests according to the environment and conditions of the application, and then evaluate the color fastness grade based on the color change of the sample after the test and the staining of the lining fabric.
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ʻO nā ʻano hou a me nā manaʻo o ka mākeke pulupulu honua

Mālama ka pulupulu US i kahi ʻano maʻalahi ma lalo. Ma muli o ka lawa ʻole o ke koi, hiki ke loli ka pulupulu i loko o kahi ākea?
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