Walnut Hull Uses - Knowledgebase Question

Sweetwater, TN
Question by JJoh210
November 8, 1999
Do you know of any uses for the outer green shell of black walnuts? My husband says that he read something where this outer hull was used.

Answer from NGA
November 8, 1999


The outer green shell is used in making walnut stain and has been used in dyes, the hard shell is used as an abrasive in certain manufacturing processes.

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