Explanatory notes
… Chapter 69 Ceramic products Notes. 1.- This Chapter applies only to ceramic products which have … siliceous materials including fused silica, materials with a high melting point, such as oxides, carbides, …Legal note
… Notes. 1.- This Chapter applies only to ceramic products which have … at, in general, room temperature. Raw materials comprise, inter alia, clays, siliceous materials including fused silica, materials with a high melting point, such as oxides, carbides, …