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Finishing & Preparing the Master Plug
for Mold Making
Patching Pin Holes in Primer/Surfacer
43. With Primer Spot Putty and Pallet Knife; use pallet knife to spread spot putty into pin holes, and sanding scratches. Fig. 35. After spot putty application, allow spot putty to dry approximatly one hour.
44. With #400 wet sand paper; hold Master Plug under running water, or use basin of water while sanding entire surface smooth. Fig 36.
45. Repeat all primer/surfacer procedures until you have a smooth primer surface. Fig. 37.
You will use #400 to #600 wet sandpaper for the final sanding prior to mold pressing.
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