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Valuable magazine for people who love woodworking. Readers will find plans to build great projects, tool reviews, woodworking tips & techniques.
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Abrasives ~ Sanding Accessories ~ Sanders |
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in association with amazon.com |
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ABRASIVES CHART: Choosing the Right Abrasive |
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Coated Abrasives:
Coated abrasives include products made up of abrasive minerals bonded to a backing material with a glue or resin bonding agent. They come in sheets, disks, belts, drums, cords, cloth strips, and sponge-backed blocks for sanding contoured surfaces. Each form has its uses, but you also have to pick the right abrasive minerals and grit sizes to get the best results.
Your Abrasive Options:
You can choose from two natural minerals (flint and garnet) and three manufactured ones (aluminum oxide, silicon carbide, and zirconia alumina.) See your options in the chart below.
Grit Sizes:
Grit number (or mesh number) refers to the particle size of the abrasive mineral, from 36 grit to 600 grit. However, the sanding products you’ll most often use fall within the 60- to 220-grit range. When sanding bare wood prior to finishing, you don’t need to work your way through the full range of grit sizes, especially if you use a power sander for some of the work. To smooth a flat surface, such as a table top, WOOD® magazine recommends starting with a sander equipped with an 80- or 100-grit aluminum-oxide belt, then switch to a finishing sander using 150- or 180-grit garnet paper, then finishing up with 220-grit aluminum oxide paper. ~ Copyright © WOOD® Magazine |
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TOOL/PRODUCT |
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ABRASIVE |
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GRIT |
| Surfacing rough wood, fast stock removal |
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Surface sander, belt sander |
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Aluminum Oxide, Zirconia Alumina |
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36-80 |
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| Rough-sanding mill marks, saw marks, defects, end grain |
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Orbital sander, belt sander, disk sander |
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Aluminum Oxide, Zirconia Alumina, Garnet |
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60-100 |
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| Smooth sanding |
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Orbital sander, disk sander, sheet sandpaper |
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Aluminum Oxide, Garnet, Silicon Carbide |
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120-320 |
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Sanding blocks, non-woven pads |
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Aluminum Oxide, Silcon Carbide |
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Medium-
Fine |
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| Sanding contours |
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Sanding drums, disks, flappers, cords, strips |
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Aluminum Oxide, Garnet, Silicon Carbide |
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80-320 |
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Sanding blocks, non-woven pads |
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Aluminum Oxide, Silicon Carbide |
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Coarse-Fine |
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| Wet sanding, applying stains or oils, sanding between finish coats |
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Sanding sheets, non-woven pads |
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Silicon Carbide, Aluminum Oxide |
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240-600
Fine-Extra Fine |
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Steel wool (except wet) |
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#00-#0000 |
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Copyright © WOOD® magazine |
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