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(3) Dense planting sand belt and sparse planting sand belt
Dense planting sand belt, also known as closed coated sand belt, is characterized by the abrasive being closely attached, covering the entire surface of the substrate, and having no obvious gaps between the abrasives.
Most machining centers use dense planting sand belts, which are mainly used for difficult grinding processes, including heavy load grinding and strong grinding. The model and specifications of dense planting sand belts are represented by CL.
Sparse planting sand belt, also known as open coated sand belt, is a type of sand belt where the abrasive particles are arranged at a specified distance, resulting in significant gaps between individual abrasive particles. According to usage requirements, the abrasive particles should generally cover 50-70% of the substrate surface.
The sparse planting sand belt has good flexibility and has a certain space between the grinding particles to reduce blockage when grinding certain materials. The sparse planting sand belt is represented by OP.
