The textile and meat-processing industries produce billions of tons of waste annually in the form of feathers, wool and hair, all of which are rich in keratin—the strong, fibrous protein found in hair ...
Shrink-Proof Wool A wool fibre consists of: 1) the cortex (scaly outer layer), 2) elasticum (inner layer), 3) core. If soaked in water, the elasticum and core contract, pulling the cortex with them ...
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