CLEAN 84 HD Type Detergent is a slightly alkaline amber-coloured liquid cleaner used especially for ultrasonic cleaning baths. Suitable for polished articles of brass and zinc alloys, copper and its alloys, precious metals and light alloys. it can be used in multiple sectors. Particularly useful in cases where, due to complicated parts or small cavities, any detergent residues may compromise the original product . The product is over 90% biodegradable.