DINITROL Penetrant LT cavity wax is a rust prevention fluid with excellent film building, penetrating and water displacing properties for open surfaces as well as cavities. It provides a transparent beige and water repellent protective waxy film with excellent corrosion prevention properties. This product is very similar in viscosity to the original 3125 Corromax. DINITROL Penetrant LT is ideal for application to closed cavities as well as door skins, bonnet and boot lids It can also be used as a sealing coat prior to applying either underbody wax or stone chip guard. LT = Low Temperature adhesion -40 Degrees Centigrade Recommended film thickness wet: 150 microns Recommended dry layer thickness: 60 microns Drying time: 2 h at 23 C and 50% RH Salt spray test: 1000 hours Penetration 50 microns gap: > 30 mm