How many types of polyester yarn are there?

What is the yarn structure of polyester?

In polyester yarns, crystalline and amorphous areas exist. They are a thermoplastic material. The chains have a zig-zag structure and are linked to each other by Van-der-Waals connections. During the cooling process, crystallization and orientation of the polymeric chains occur.

What is the softest type of yarn?

Cashmere: The softest and fluffiest yarn of them all, but is also rather expensive and not that strong.

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