Difference between revisions of "Walnut shell"
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== Description == | == Description == | ||
| − | A powder made from ground [ | + | A powder made from ground [[walnut|walnut]] shell refuse. Walnut shell flour contains [[cellulose|cellulose]] with [[lignin|lignin]] (28%), furfural (5%), pentosans (9%), methyl hydroxylamine (6%) and sugar/starch (2.5%) (Brady 1971). It is used as a filler in plastics and adhesives. Walnut shells have also been used as a soft [[abrasive|abrasive]] for air pressure cleaning of outdoor sculpture (Veloz and Chase 1989). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
walnut husks | walnut husks | ||
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== Comparisons == | == Comparisons == | ||
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[[media:download_file_239.pdf|Properties of Common Abrasives]] | [[media:download_file_239.pdf|Properties of Common Abrasives]] | ||
| − | + | ==Resources and Citations== | |
| − | + | * N.Veloz, W.T.Chase, "Airbrasive Cleaning of Statuary & Other Structures" ''Technology & Conservation'', 1/89, p.18-28. | |
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 857 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 857 | ||
Latest revision as of 11:46, 26 June 2022
Description
A powder made from ground Walnut shell refuse. Walnut shell flour contains Cellulose with Lignin (28%), furfural (5%), pentosans (9%), methyl hydroxylamine (6%) and sugar/starch (2.5%) (Brady 1971). It is used as a filler in plastics and adhesives. Walnut shells have also been used as a soft Abrasive for air pressure cleaning of outdoor sculpture (Veloz and Chase 1989).
Synonyms and Related Terms
walnut husks
Comparisons
Properties of Common Abrasives
Resources and Citations
- N.Veloz, W.T.Chase, "Airbrasive Cleaning of Statuary & Other Structures" Technology & Conservation, 1/89, p.18-28.
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 857
- Marie Svoboda, Conservation Survey Index, unpublished, 1997