Emulblack is a black masterbatch based on cold polymerized emulsion SBR, aromatic oil and carbon black. - SBR 100 pts. - HAO 50 pts. - Carbon Black N339 75 pts. Uses: Emulblack 1847K is designed especially for operations where fast, smooth extrusions are necessary, this masterbatch gives compounds with excellent extrusion characteristics and tread wear.