Question

which test is require to identify natural fibre explain the test also​

Answer 1

Answer:

There are different types of textile fibers used in the apparels and also the types and numbering of yarns.Therefore it is necessary to learn the different methods to identify different textile fibers.

The knowledge of identifying the textile fibers helps a producer of garments to identify the type of fiber and the care to be taken in maintaining the fabrics made of a particular type of fiber. This is an important factor for labeling of the garments, which includes specifying the fiber content in the garment.

There are different tests which could be used for the identification of the textile fibers such as burning test, microscopic test, solubility test, optical test, density test etc. We would be discussing the basic tests like burning, feeling, microscopic and chemical tests of identifying the textile fibers.

Nontechnical testing does not require any special equipment or setting for identification of fiber. The different nontechnical methods of identifying the textile fibers are:

1. Feeling Test
2. Burning Test

These tests are useful and simple to perform and also provide ready identification under certain circumstances.

• Microscopic Identification: Positive identification of many natural fibers is possible using the microscope
• Solubility: The chemical structure of polymers in a fiber determines the fiber’s basic solubility characteristics
• Heating and Burning Characteristics: The reaction of fibers to heat from an open flame is a useful guide in the identification of fibers.
• Density or Specific Gravity: Fiber density may be used as an aid in fiber identification
• Staining: Fibers have differing dyeing characteristics and affinities dependent on the chemical and morphological structure of the fiber.

Explanation:

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Answer 2

Answer:

test is a difklt for the mind ko khatib kar datha test month ma 1 bar hona chia