- A all purpose degreasing product perfect for engines, tires, wheels and presoak. Provides the extra “punch” you need for those special cleaning jobs. Will not harm most plastics, vinyl, or metal. Blast also works excellent as a prep soap and bug remover. For industrial applications Blast is widely used by power washers as a degreaser. Great affordable performance! Dilution ratio of 36:1 up to 75:1.