Question

At which of the following stages will bleaching and dyeing (addition of colours) be usually done?
A) Just before the fabrics are made. B) After the fabrics are made. C) Before the yarns are made. D) After the yarns are made.

Answer 1

After the fabrics are made.

Answer 2

B) After the fabrics are made.

Explanation:

• The fabrics are prepared from single length fibers.
• The bleaching process is done by the destruction of the natural coloring of the fabric to achieve a white color so that the fibers can readily take the desire color during the dyeing process.
• A dyeing process is done on the fabrics this involves the interaction between the dye and the fiber also allows the absorption of the dye to the internal parts of the fibers. The chemical of the dye may vary on the basis of absorptive nature of the fabric.

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