Ultrasonol® 11 alkaline, liquid concentrate pH 12.9, 1 l, plasticUltrasonol 11 alkaline, liquid concentrate pH 12. 9, Density (D) 1,07 g cm, UN Nr. 1824 This highly effective special cleaner assists and intensifies the ultrasonic cleaning process. Removes distillation residues, tars, resins, Canada balsam, adhesives, silicones, greases, oils and similar contaminants Non flammable, non gassing, biodegradable Liquid concentrate pH 12. 9 Use 2 10% in water. Reaction time 1 to 10 min; after washing, rinse thoroughly