Naphthenic oil belongs to the operation oil (processing oil, filling oil) and so on, is a petroleum fraction with naphthenic hydrocarbon as the main component. Relative density 0.89 ~ 0.95, flash point > 160 ℃, acid value <0.1mgKOH / g, aniline point 66 ~ 82 ℃, flow point -40 ~ -12 ℃. Used as softener for rubber sealant and pressure sensitive adhesive. Store in cool and ventilated warehouse, away from fire and heat.
