I think you will find other abbreviations in use for Corrosion innhibitors, liquids, impregnated papers etc. etc..
VCI = Vapo(u)r Corrosion Inhibitor
VpCI – Vapo(ur) Corrosion Inhibitor
and as Tim has noted – VPI.
Do not expect a moisture remover to provide inhibition properties. Many of these do leave a fine film on the metal surface which can contribute to the dimensions of anything which is so treated leading to poor fits on close tolerance items.
Follow this link to one of the leading manufacturers for fuller information **LINK**
Jerry
(we all know of the chemistry student sent to the lab stores for a benzene ring) Acronyms and short forms of names can lead to disaster in this line of business.