Profile: Pt. Tesso Tetra Chemika is a progressive chemical company specialized in producing & distributing specialty chemicals to the oil and gas industries as well as to the petrochemical industries. Our tessodril BS 1101 emulsifier is a blend of long chain fatty acids, which is used to produce oil-based mud emulsifier with high temperature stability. Our tessodrop PE 8501 demulsifier is a blend of nonionic and anionic surfactants, which is designed to rapid breaking of water in oil emulsion.