According to the organizational structure, raw materials, processing technology, texture, appearance and main purpose of silk fabrics, it is divided into fourteen categories.The ancient silk fabrics are basically named according to the fabric weave, f…
Simple combustion method:Cotton, it burns when exposed to fire, has a fast speed, is a yellow flame, has a slight grayish white smoke and the smell of burning paper, and the charred embers are soft and dark gray. Hemp fiber: Similar to cotton, but the…