Best coir comes from immature coconuts, which are retted, washed and beaten. This conflicts with harvesting of coconuts for food or oil, so most coir comes from mature fruits. Fibers are used as mattress stuffing, bristles in brooms and brushes. Easily grown and processed. Flax industry never became mechanized since mechanically processed flax is not as good as that produced by hand, so linen is expensive.
Fibers are stiffer than flax, used in cordage, rope, canvas and sailcloth.
Made original set of Levis from hemp, jeans are currently made of cotton. Mechanization may result in it becoming an important fiber. Fibers Use of monocot leaf fibers is a fairly recent development, make better ropes than bast. Processed by squeezing leaves and scraping away fibers, grow well in arid regions. Dyes Chemistry of bonding of dyes to fibers is complex, involves direct bonding, H-bonds, hydrophobic interactions.