SONAX Intensive Cleaner, Intensive cleaner for trucks and buses. Universal alkaline detergent. In automatic car washes it can be used as foam, shampoo, brush cleaner (also textile brushes), wheel rim cleaner and as a heavy-duty and tarpaulin cleaner. Quickly, thoroughly and without residue removes all dirt, including grease and oil. Ideal for use in pre-treatment plants and self-service car washes. Can be used as a brush cleaner. ph 13. 25L.