MIL-PRF-3420 Class 2, Style A VCI Paper | Nox-Rust® Vapor Wrapper VW60H
Designed to meet the stringent requirements of the U.S. Department of Defense’s MIL-PRF-3420 Class 2 specification, VW60H VCI paper provides dependable, medium-duty corrosion protection for steel and other ferrous components. As a Style A flat kraft carrier, the sheet is uniformly saturated with Daubert Cromwell’s proprietary, nitrite-free volatile corrosion inhibitor chemistry—ensuring consistent, effective rust prevention across the entire surface.
When applied, the VCI molecules activate to form a clean, invisible molecular barrier on metal surfaces. This protective layer inhibits corrosion caused by moisture, contaminants, oxygen, and handling, making it ideal for packaging components that require dry, residue-free protection during storage or shipment.
Key Features & Benefits
- Manufactured by Daubert Cromwell, a recognized leader in VCI protection
- Meets MIL-PRF-3420, Class 2, Style A (medium-duty VCI kraft)
- QPL-approved by the U.S. Department of Defense
- 60 lb. / 98 gsm natural kraft for moderate strength and flexibility
- Nitrite-free formulation—safe, clean, and environmentally responsible
- Fully saturated with Daubert Cromwell ferrous VCI chemistry
- Provides reliable medium-duty corrosion protection
- Clean, dry protection—no oils, no films, no messy coatings
Typical Applications
- Wrapping ferrous metal parts, tools, and small assemblies
- Shelf storage and short-to-mid-term preservation
- Export packaging for steel components
- Use as interleaving in boxed or crated shipments
- Military and government packaging programs requiring QPL-listed materials
Available From Royco Packaging
Royco Packaging supplies MIL-PRF-3420 Class 2 VCI paper in:
- Standard 36" x 600ft rolls for immediate shipment (8135-00-664-4012)
- Flat-cut sheets
- Custom sizes for kits, parts packaging, or MIL-SPEC workflows
This material integrates seamlessly with Royco’s full corrosion-prevention lineup:
- MIL-PRF-131 foil barrier materials
- MIL-PRF-121 kraft/PE laminates
- MIL-D-3464 desiccants
Speak With a Packaging Specialist
For help choosing the right VCI paper or building a complete preservation system, call 1-877-MIL-SPEC to speak with a Royco Packaging expert.
Royco Packaging — Mission Critical Protection. Made in the USA.

