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Today’s common types of sand paper
• Garnet: common for wood working.
• Aluminum oxide: for wood or metal.
• Silicon carbide: wet or dry applications
Garnet Aluminum oxide Silicon Carbide
Grit size
The number on the back of the sand paper refers to the number of grains that fit in a square inch.
Coarse Smooth
80 100 120 150 180 220 320
Use medium grit for final sanding of wood.
120, 150, 180 grit
• Breaking edges
• Removal of scratches
Use Fine grit for sanding between coats of finish.220, 320 grit
• Sand lightly between coats of finish.
• Remove any rough areas of finish.
Types of sandersStationary
• Edge belt sander – For straight edges of boards and radiuses.
Use caution, this machine can remove material quickly