3M Cavity Wax Plus is a non-hardening, self-healing corrosion protection coating for internal auto body panels and structural enclosures, as well as new replacement parts.

Designed to cover and seal internal joints, hem flanges and other areas where oem e-coat may be compromised.

• It will not chip, peel or crack

• Use the 3M Cavity Wax Plus Wand Kit for 360° coverage

• Self-healing, corrosion protection for inner body panels, frame rails, and structural enclosures

• When used according to directions, 3M Cavity Wax Plus delivers the right amount of flow and wicking, providing consistent and uniform protection for your repair