Absent-Minded Professor, The (1961) -- (Movie Clip) I Dub Thee Flubber! 1  A discouraged Professor Brainard (Fred MacMurray) suddenly discovers he's invented flying rubber, thus flubber, in Walt Disney's The Absent-Minded Professor, 1961. > Play Now Absent-Minded Professor, The (1961) -- (Movie...
Step 3: Sand with 500-Grit. Attach a strip of 500-grit wet sandpaper to a hand-sanding block. Hard rubber sanding blocks work best. Dip the block into the soap and water solution. Sand the wood lightly with a circular motion. Continue dipping the block into the water to keep the surface of the wood wet.
8. After the first coat is dry, lightly sand with 400 grit sandpaper. Using a tack cloth, remove the dust before you apply the second coat of polyurethane. Apply the second coat of polyurethane just as you did the first.If desired, a third coat be be applied following the same method for extra sheen and durability.. After the first coat is dry, lightly sand with 400 grit sandpaper. Using a tack cloth, remove the dust before you apply the second coat of polyurethane. Apply the second coat of polyurethane just as you did the first.