Product Introduction: VCI powder is a kind of water soluble corrosion inhibiting product. Product Advantages: 1.Be applicable to the metal corrosion inhibition for enveloped and closed space 2.Free from heavy metal, nitrite, phosphate, etc. 3.The metal needs no surface pretreatment 4.Be applicable to various black and nonferrous metals Typical Physicochemical Characteristics: Appearance: white crystal powder PH value: ：6.5~6.9 (1% water solution) Water solubility: 15% Term of corrosion inhibition: more than 2 years