3M™ Cavity Wax Plus is a non-hardening corrosion protective coating for bare or primed aluminum and steel automotive inner body panels and welded structural components. The material is designed to cover and seal interior joints, hem flanges and compromised e-coats where corrosion can form. Properly applied with the 3M™ Cavity Wax Plus Wand Kit, it remains pliable and will not chip, peel or crack.

• Corrosion protection for inner body panels, frame rails and structural enclosures
• Formulated for bare or primed automotive metals such as steel and aluminum
• Spray-on material provides consistent and uniform protection
• Remains soft and pliable – will not crack, chip, or peel
• Use with 3M™ Cavity Wax Plus Wand Kit to ensure correct flow and wicking