Koch Chemie Vorreiniger B is built for serious pre-wash cleaning, a high-powered car wash foam concentrate that lifts the grime most snow foams can't touch.
Koch Chemie (VB) Vorreiniger B is a professional-grade, alkaline snow foam car wash solution designed to break down tough, bonded contamination before you touch the paint. With a pH of 13.1 and concentrated cleaning agents, it cuts through road film, traffic grime, insect residue, and even old layers of wax or sealant.
This isn’t your average pH-neutral snow foam. Vorreiniger B is a car foam pre-wash engineered to remove what standard foams leave behind. It’s ideal for preparing heavily soiled vehicles for contact washing, or for stripping old protection before applying new wax, sealants or coatings.
Whether you're degreasing rims, dewaxing bodywork, or doing a full decontamination before a detail, this is a go-to option for those who want more bite in their foam car wash process. Its wide dilution range means you can adapt it to the job, from high-strength dewaxing to ultra-diluted pre-foam maintenance washes.
Used through a foam lance, pump sprayer or bucket, Koch Chemie VB delivers excellent cling, fast breakdown of grime, and clean rinsing all backed by corrosion inhibitors to keep compatible surfaces safe.
Features:
- Heavy-duty grime remover: Breaks down insects, road film, brake dust and tree sap
- Strips waxes and sealants: Ideal for reapplication or coating prep
- High-alkaline formula: pH 13.1 for powerful cleaning performance
- Highly concentrated: Dilute to suit rims, bodywork or foam cannon use
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Safe on compatible finishes: Includes corrosion inhibitors for material protection
Directions & Dilutions:
Dilute based on use:
- Prewash: 1:30 to 1:50
- Rim Cleaning: 1:10 to 1:30
- Dewaxing: 1:5 to 1:10
- High Pressure Foam Wash: 1:300
- Apply via foam lance, pump sprayer or bucket
- Let dwell briefly (1–5 mins depending on strength)
- Do not allow to dry on the surface
- Rinse thoroughly with a pressure washer