Hi-Gear RUBBERISED UNDERCOATING BLACK BEAUTY EXTRA FLEX (aerosol). It comprises rubber filler, crude rubber and efficient corrosion inhibitors. It protects against corrosion and prevents the started rusting process. It has increased elasticity and frost resistance. It takes 20 minutes to get the fully dry one layer. The recommended number of layers is 2 - 4. The time of complete drying is 24 hours.