Step 1 Preparation
selection of soft bark, and to separate. Soaked in water for about 3 hours. But should not exceed 24 hours in the water to help soften bark. Then the vessel boiling caustic soda or lye from ashes. The structure of the bark canker. And separately faster If boiled soft mulberry less caustic. Boil the shell to be used more. Each time the boiling caustic 10-15% of the weight if the membrane is very much to be destroyed during the boil, boil for about 2 - 3 hours after brewing is complete, the mulberry wash out bacteria.
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