Three components are needed to make homemade sandpaper. They are backing material, a bonding agent or glue and abrasive grit. The most common glue used on inexpensive sandpaper is hide glue. Hide glue is available for purchase in both liquid and crystal form. The crystal form requires mixing and heating before use. There are several brands of hide glue on the market. Check local hobby and craft stores to purchase hide glue. The most common abrasive used to make homemade sandpaper is silicon carbide. Other abrasives possibilities include aluminum oxide, garnet and ceramic.
- Skill level:
Things you need
- 80-pound paper
- Hide glue
- 1-inch sponge brush
- Silicon carbide grit
Cover a flat work surface with newspaper. Place the 80-pound paper on the centre of the newspaper.
Squeeze and apply a liberal layer of hide glue over the surface of the paper. Brush the hide glue over the surface with a foam brush. Allow the hide glue to dry to the consistency of gel. This will take between three and 15 minutes, depending on the warmth of the room.
Sprinkle a liberal amount of silicon carbide grit over the surface of the gel. Allow the gel to harden for one hour.
Pick up the homemade sandpaper at one corner. Gently tap the paper on the surface of the newspaper. Place the homemade sandpaper in a dry, flat location. Pour any unused silicon carbide grit remaining on the newspaper back in its original container.
Tips and warnings
- Use old scissors to cut the homemade sandpaper into the desired sizes.
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