Selection And Use Of Sandpaper For Furniture Polishing

The aesthetics of the furniture surface depends to a large extent on the quality of the sanding, which is directly related to the sander's technology and the quality of the sandpaper itself. The following will teach you to choose the appropriate sandpaper mesh according to different technological processes, for reference.

1. Selection of sandpaper

   (1) Solid wood blank: use 180#--240# dry sandpaper for grinding

   (2) Grinding of plywood or one piece: choose 220#——240# dry sandpaper

   (3) Grinding of leveling primer: use 320#-400# dry sandpaper

   (4) The last primer or sanding: choose 600#-800# dry sandpaper

   (5) Polishing and polishing of topcoat: choose 1500#——2000# water-resistant sandpaper

2. Use of sandpaper

   When using sandpaper for manual polishing, generally cut the whole piece of sandpaper into four pieces, fold each piece in half and clamp the two ends with your thumb and little finger. In addition, press the three fingers flat on the sandpaper to sand the surface of the object back and forth. According to the sanding object, it can be changed at any time, and the cavity in the finger and the stretching of the finger can be used to grind flexibly in the concave-convex area and the corner. When sanding a large area, it is necessary to grasp the principle of "subject to the height". The sandpaper should be rotated with the palm, or it can be lined with a slightly harder rubber such as a sponge or cork. grind. The nail length of the sander should be moderate, and the finger should be avoided during the operation.