Detailed Product Description PCD Scraper,cup wheel,grinding wheelASHINE offer all kinds of PCD scrapers to fit HTC machine.Patented invention No.: 200710009242.7Applications: to remove glue, epoxy, VCT mastic, thick rubbery material and coating on floor.Followed with ASHINE TCD or 16 grit metal bond tools.PCD: special PCD used for oil drilling with high performance, long lifetime, high strength.