Alkaline cleaner. which removes brake dust and other dirt from both steel and aluminum rims. Also suitable for washing engine and trailer awnings. Concentrate pH ~ 14. Depending on the degree of soiling and the type of surface, dilute 1: 3 - 1:10. dilution in foams 1: 3 - 1:10. in low pressure equipment 1: 5 - 1:10.