Speedo Prime is a multi-use primer designed to prevent rust and seal out moisture on metal and plastic parts. It comes in aerosol cans in black, dark grey, medium grey, and light grey. Speedo Prime boasts excellent flexibility and adhesion, dries fast, has a high build quality, and is easy to sand before topcoating within 20 minutes. Application involves applying 2-3 coats with 1 minute between coats. It can be air dried within 10-15 minutes or express dried with a 5 minute bake at 120-140 degrees Fahrenheit.