Cutting-off wheel for dry cutting metals, stones and other hard materials comprises thin disc with granular grinding agent and sealed with barrier of sealing substance keeping water away from pores

摘要

The cutting off wheel is formed by a thin disc with granular grinding agent, filler and reinforcement structure. It is sealed with a barrier of sealing substance (7) to keep out water from the pores (6) and cavities (10). The sealing substance can be paraffin or paint.