Alkaline cleaning concentrate in powder form. Suitable for ultrasonic cleaning of metal, plastic and rubber surfaces. For grey, die-cast zinc and aluminium surfaces. Removes scaled, hardened oils and greases and likewise wax, remains of lacquer and paint, in addition to grinding and polishing media. Not suitable for non-alkali-resistant plastics and plastics with a tendency towards tension cracking. Magnesium alloys and lacquering are to be tested for resistance.