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How to perform a spandex stretch test?
26-09-2022
(1) Take four spandex samples, remove the surface layer, and then take three paragraphs with a length of 10cm, and mark the distance with a color pen. (2) Join the head and tail of the sample, put it on a single-yarn st...
How to judge the stability of spandex?
20-09-2022
Boiling water shrinkage test (1) Take four spandex samples, remove the surface layer, then take three paragraphs 10cm long and mark the distance with a color pen. (2) Put the sample into boiling water (100°C) for 10 min...
How to store spandex?
13-09-2022
Spandex should be stored in an environment with constant temperature and humidity. The temperature is between 18-20 degrees Celsius. The lower the temperature, the longer the storage period. The relative humidity is 60%-...
How much do you know about the correlation coefficient of fabrics?
06-09-2022
Breaking elongation (BreAKING ELONGATION): When measuring the breaking strength, the breaking elongation can be measured. Generally, the greater the elongation, the less fabric content. Formability: According to the...
Do you know these correlation coefficients of spandex?
30-08-2022
(1) Rolling tension (PACKAGE DRAFT %): The tension of the elastic fiber on the top is very important. The tension should be kept even from the inside to the outside. If the tension is not uniform, it will directly affect...
Do you know the count and mixing rate of the core spun yarn?
23-08-2022
Spandex has different uses and various product forms, mainly divided into three types: bare yarn, core-spun yarn, covered or twisted yarn. Each different combination corresponds to a different purpose. Bare yarn: It is 1...