... in water at room temperature for 3.9 %, in methanol for 27 %, in 70 % ethanol aqueous solution for 16.7 %. Decomposing when it ... rust-proof effects to black metal. It can be used for auto parts, decelerating speed chassis, internal combustion engine piston, sleeve ... , cloth, cardboard as a packaging material, or mixed with the molecular sieve desiccant to play a role in hydrophilic, moisture proof, at ...