Technology Of Making Felt From Waste Animal Hair

- Nov 15, 2019-


The technology of making felt from waste animal hair is simple and practical with considerable benefits. The production technology is as follows. 1. Remove the impurities from the collected waste animal hair, place it in the cylinder and wash it with warm alkaline water (the ratio of alkaline water is 100 phr water and 1 phr caustic soda solution with concentration of 30%, and the temperature is 40 ℃), soak it for 4-6 hours, if stirring, the time can be shortened