This product is strong absorptive corrosion inhibitor, which can absorb on the surface of the metal, form catenoid multilayer protective tissue, to obstruct the contact of acid solution with the metal, the inhibitory efficiency rate in mud acid (12%HCl + 6%HF) is more than 95%, no pitting corrosion, pointed corrosion and strip corrosion, applicable temperature 60～90℃. Technical indicators:ItemIndicatorsAppearancelight brown liquidDensity, g/cm30.8～1.0CompatiblenessCompatible well with other surfactantDispersityDisperse uniformly in mud acid.Inhibitory efficiency rate,g/(m2•h) (60℃, 4h)≤2.5 (12%HCl + 6%HF, corrosion inhibitor dosageDYHS-31%)