3M Cavity Wax Plus 08852, 18 oz (511 g), 4 Cans/Case 3M Cavity Wax Plus is a non-hardening corrosion protective coating for bare or primed aluminium and steel automotive inner body panels and welded structural componentsThe material is designed to cover and seal interior joints, hem flanges and compromised e-coats where corrosion can formProperly applied with the 3M Cavity Wax Plus Wand Kit, it remains pliable and will not chip, peel or crack. Product Information Brand 3M Part # 7100081897 Origin Country USA Product InformationConvenient aerosol spray can eliminates need for excessive spray equipmentProtects internal body panels, frame rails, and structural enclosuresReflows into cracks and crevices for long-term coverageRemains soft and pliable to prevent cracking, chiping, and peelingUse with the 3M Cavity Wax Plus Applicator Wand Kit (sold separatley)