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Koch-Chemie PreWash B is a highly concentrated, highly alkaline pre-cleaner and insect remover for cars and trucks. Specially designed for car washes with short reaction times (eg express washing systems) as well as alkaline washing bay cleaning. The high concentration of complexing agents, surfactants and special additives dissolves even the most stubborn of dirt such as insects, bird droppings, environmental and rim dirt.
- Reaction time max. 1 min
- Max. application concentration 1:100