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Useless cultivate wool makes felt technology

From;  Author:Stand originally
Use useless cultivate wool to make felt, the technology is simple and practical, benefit is considerable. The technology that make is as follows. 1. The eliminate of useless cultivate wool that will collect is sundry, catharsis immerses with tepid buck in setting a jar (the deserves to add 30 % of a chroma than be 100 water caustic soda solution of buck, temperature is 40 ℃ ) , immerse 4 ~ 6 hours, be like agitate, time can shorten a few.