3M Inner Cavity Wax, Clear, 10 L, PN08929

Give a protective coating to the inside of vehicle body panels with 3M Inner Cavity Wax (amber). Our cavity wax creeps underneath humidity, is salt resistant and permanent flexible. It’s available as an aerosol or with an applicator gun. 3M Inner Cavity Wax – Amber has a light consistency and is usually used for box sections, inner quarter panels and sill sections where capillary action is required. 3M Inner Cavity Wax - Transparent has a heavy consistency and is usually used for engine compartment areas or where you like to protect accessible bare metal parts, i.e. use it for areas where capillary action is not required.