Professional Clay PF 680 Smooth Black 25 KgProfessional Clay PF 680 Smooth Black Available in 25 Kgs bags. Minimum order 25 Kgs. Smooth Black contains a fine grog which gives a close texture to the body and a fine surface to finished pieces. This smooth finish should appeal to hand builders or sculptors who produce tiles and relief panels or ceramic murals. PF 680 has been formulated to fire between 1080C 1260C. CATEGORY: Professional METHOD: Throwing, Modelling COLOUR: Black TEXTURE: Smooth