预洗液 碱性

. A dosing pump is used to apply the product in high-pressure Jet washes. The recommended dosing rate for hard water (400 ppm) is around 25 ml/min, trying to keep the pump at a percentage of between 25 and 30%. The volume of chemical product can be reduced slightly to around 22 ml/min when using purified water. A dosing pump is used to apply the product in car wash bays and tunnels. The recommended dosing rate for hard water (400 ppm) is around 25 ml/min, trying to keep the pump at a percentage of between 25 and 30%. The volume of chemical product can be reduced slightly to around 22 ml/min when using purified water. We recommend using concentrations of around 3% for commercial vehicles, up to a maximum of 6% for very stubborn dirt. Allow the product to work for a maximum of 3 minutes before rinsing at high pressure or using brushes with water. Important: never allow the chemical product to dry onto the chassis. Do not spray onto very hot or matte surfaces without moistening them first, and make sure the vehicle is not exposed to sunlight during application.