Difference between revisions of "Garnet paper"
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An abrasive paper prepared from crushed and ground [[garnet|garnets]]. Garnet particles have sharper cutting edges than [[aluminum oxide]], but are expensive and the particles dull rapidly when used on metal. They also can scratch [[glass]]. Garnet paper works well for polishing [[wood]] and smoothing [[gesso]]. The grades of garnet paper range from no.5 (coarse-about 15 mesh to 7/0 (fine-about 220 mesh). [[Kraft paper]] is generally used as the backing with a varnish resin as the adhesive. To decrease costs, some commercially available garnet cloths are actually prepared with [[quartz]]. | An abrasive paper prepared from crushed and ground [[garnet|garnets]]. Garnet particles have sharper cutting edges than [[aluminum oxide]], but are expensive and the particles dull rapidly when used on metal. They also can scratch [[glass]]. Garnet paper works well for polishing [[wood]] and smoothing [[gesso]]. The grades of garnet paper range from no.5 (coarse-about 15 mesh to 7/0 (fine-about 220 mesh). [[Kraft paper]] is generally used as the backing with a varnish resin as the adhesive. To decrease costs, some commercially available garnet cloths are actually prepared with [[quartz]]. | ||
| + | ==Physical and Chemical Properties== | ||
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== Comparisons == | == Comparisons == | ||
| − | [[media: | + | [[media:download_file_171.pdf|Properties of Common Abrasives]] |
| − | + | ==Resources and Citations== | |
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 355 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 355 | ||
Latest revision as of 14:57, 26 August 2022
Description
An abrasive paper prepared from crushed and ground garnets. Garnet particles have sharper cutting edges than Aluminum oxide, but are expensive and the particles dull rapidly when used on metal. They also can scratch Glass. Garnet paper works well for polishing Wood and smoothing Gesso. The grades of garnet paper range from no.5 (coarse-about 15 mesh to 7/0 (fine-about 220 mesh). Kraft paper is generally used as the backing with a varnish resin as the adhesive. To decrease costs, some commercially available garnet cloths are actually prepared with Quartz.
Physical and Chemical Properties
| Mohs Hardness | 6.5 - 7.0 |
|---|
Comparisons
Properties of Common Abrasives
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 355
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Tom Rowland, Noel Riley, A-Z Guide to Cleaning, Conserving and Repairing Antiques, Constable and Co., Ltd., London, 1981
- The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980