Q. Is airtight packaging required for a VCI product to work? Airtight Packaging is not necessarily required for a VCI Product to work, however the VCI Vapours must be enclosed in some way. For example, Parts which are placed onto an Interleaving Sheet can be Protected with BENZ VCI Paper that is interleaved between the parts. Product Parts should be properly Wrapped or Enclosed and as per our expert’s recommendation, Airtight Packaging would be most effective method for best results and for long term storage. Feel free to contact us. Our team of experts at BENZ Packaging will be happy to help you find the best suitable VCI Product for your packaging needs.