1. The PCD grinding cup wheel is designed for multi coating removal. It can remove plaster, glue, adhesives, adhesives, epoxy resins, waterproof membranes, and other coatings from the concrete substrate. It can also be used for removing thin films, grouting, mortar, VCT, and carpet adhesive 2. PCD cup wheels are more sturdy than regular diamond wheels and are designed for efficient coating removal, saving a lot of time for large-scale projects. 3. The PCD section is harder than the diamond section and wears more slowly to ensure a longer service life.