REFINED NAPHTHENIC ACIDS Acidity index: 180 – 240 mgKOH/g Unsaponifiable substances: 3 – 15% Yellow to brown oily clear liquids. The field of use: concrete additives; metallic naphthenates manufacture; drilling and hydraulic liquids; intermediaries for bitumen additives and corrosion inhibitors. Delivery in bulk; metallic drums 200kg net or polyethylene containers 1000kg net. CODE Minim acidity index[mgKOH/g] Maxim unsaponifiable Substances [%] NP 180 NP 190 NP 200 NP 220 180 190 200 220 < 15 < 12 < 8 < 3 Tehnical sheet and MSDS available by request.