Hard ceramic , some people call it sintered granite, sintered stone, hard porcelain, the famous name brand is Dekton, Laminam. This kind of hard ceramic is quite harder than natural stone. Therefore, the diamond cutting blade for hard ceramic and sintered stone need high technology, just a few companies can make good diamond cutting blades for sintered stone. ChinShine makes 12, 14, 16" , 18" diamond cutting blade which is certified and approved by European Companies for cutting Dekton, hard ceramic. It provides clean chip free cuts on all Dekton and Sintered Stone.