Cotton is the most important natural textile fiber, as well as cellulosic textile fiber, in the world, used to produce apparel, home furnishings, and industrial products. Worldwide about 40% of the fiber consumed was cotton. But how much do you…
What is wet spinning? Wet spinning is a kind of solution spinning and belongs to the spinning method of chemical fiber. Depending on the different property of the polymer fiber. There are two main spinning methods of chemical fibers: melt…
The Relations between wool fiber’s structure and properties and evaluation of quality of wool fibers. Wool is a fiber, or modified hair, that grows from the skin of sheep. Because it is formed as a living substance, its growth is…
Introduction Fiber resistance meter, also known as fiber specific resistance instrument or fiber specific resistance tester, is mainly used to measure the conductivity of fibers. This instrument measures the resistance value with a certain density under a certain geometric shape,…
Tenderer Bangladesh Handloom Board was established in January 1978 by the Government of Bangladesh. It is managed by the Ministry of Textiles and Jute. It is a government owned and operated statutory public sector organization located in Dhaka, Bangladesh. On…
Wrap reel is one of the instruments used to evaluate the linear density technical indicators of yarns, fibers, and filaments. Some foreign users are also use it to prepare yarn strength samples. It is widely used in the textile industries,…
In addition to the winding test, size test and breakage length and elongation at break test mentioned in the part 1, the general inspection process of raw silk also includes evenness test, cohesion test, cleanness and neatness test, which will…
Silk dates back thousands of years, and still to this day is highly regarded as one of the most valuable, luxurious fabric. Nowadays, raw silk annual production is up to 600,000 tons worldwide. But, the inspection of raw silk is…
Test methods explanation We have tested 5 fiber samples using two solutions to test fiber fineness and tenacity: Solution 1 and solution 2. Solution 1 We use YG002C measured the fiber diameter, and YG005S tested the break force and extension.…
Extrusion molding, also known as press molding, is a molding method that heats and melts the polymer solid material into a melt, and uses the extrusion effect of the screw to push the viscous fluid material through the die to…
Tenderer Hawassa Polytechnic college is a public TVET institute established in 1990 that provides technical and vocational education and training to the local community through formal and non-formal courses with the aim of providing a well-behaved and competent workforce to…
The impurity ratio is the percentage of impurities in the raw cotton sample to the sample mass. Impurity content is an important indicator for measuring cotton quality. Whether it is during mechanical or manual picking, these non-harmful impurity will inevitably…