Koch-Chemie PreWash B Pwb — Heavy Fleet Alkaline Pre-Cleaner, 30 kg images
Koch-Chemie PreWash B Pwb — Heavy Fleet Alkaline Pre-Cleaner, 30 kg
Price:
€171.15
Tax included
Heavy-duty alkaline pre-cleaner (pH 13.5) engineered for trucks, buses, tankers and construction machinery. Rapidly removes oil, grease, soot and bug residues.
Koch-Chemie PreWash B (Pwb): Heavy Fleet Alkaline Pre-Cleaner
Koch-Chemie PreWash B is an exceptionally concentrated, highly alkaline pre-wash formulation (pH 13.5 in concentrate) designed for extreme heavy-duty cleaning of commercial vehicle fleets, trucks, tankers, construction machinery, and industrial transport. Powered by high-grade complexing agents and powerful wetting surfactants, Pwb penetrates thick traffic film, exhaust soot, stubborn insect proteins, oils, and grease deposits.
1. Intended Purpose & Problem Solving
- Target Vehicles: Commercial trucks, articulated lorries, bus fleets, tankers, agricultural machinery, and chassis.
- Contaminants Removed: Heavy traffic grime, grease, diesel exhaust soot, oil residues, and encrusted organic bug matter.
- VDA Compliance: VDA Class B compliant with high corrosion inhibition.
2. Key Features & Technical Advantages
- Industrial Strength (pH 13.5): Maximized grease cutting without volatile organic solvents.
- Advanced Anti-Corrosion Protection: Specially formulated to safeguard sensitive aluminum trims and galvanized parts when applied within recommended dilution parameters.
- Rapid Penetration: Emulsifies oily road film within 1 minute of dwell time.
3. Application Guidelines & Dilution Ratios
- Low-Pressure Pre-Sprayer: 1:30 to 1:50 for standard fleet maintenance; 1:5 to 1:10 for wheels, chassis, and heavy insect encrustations.
- Foam Cannon (Foam Lance): 1:10 to 1:20 with water.
- Application: Apply from bottom to top on cool surfaces -> Allow 1 minute dwell time -> Rinse thoroughly with high pressure.
4. Critical Caveats & Safety Instructions
- Material Restrictions: Do not use undiluted on raw aluminum. Do not apply on hot surfaces or in direct sun.
- Never Allow to Dry: Rinse completely before drying.
5. Technical Specifications
| Brand / Manufacturer | Koch-Chemie GmbH (Germany) |
| Product Code Series | 313 (Pwb) |
| pH Value (Concentrate) | 13.5 (highly alkaline) |
| VDA Classification | Class B |
| Country of Origin | Germany |
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Brand
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Reference313023
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MPN313023
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Volume23 kg
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Weight23 kg
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PurposeCleaning
Touchless pre-wash -
SurfaceCar and truck bodies, chassis, engines, wheels, insect residue
Clearcoats, ceramic coatings, paint protection films (PPF), chrome, glass
Commercial vehicles, trucks, engine bays, heavy road grime, wheels
Vehicle exterior, paintwork, wheels, chassis -
Dilution1:200 to 1:500 (approx. 25–50 ml in 10 L bucket of water)
1:30 to 1:100 with water
Concentrate (1:30 - 1:100 sprayer, 1:3 - 1:5 lance)
Extreme Concentrate (1:30 to 1:100 pre-wash; 1:5 to 1:10 engine/wheels)
Pre-cleaner 1:30 - 1:50 | Engine 1:5 - 1:10 | Heavy industrial 1:3 -
Dosage1:30–1:100 prewash; 1:4–1:20 rims; 1:2–1:15 washing bay
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Manufacturer article313023-23
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Official product namePreWash B
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Package23 KG
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FormConcentrate
Concentrated alkaline liquid
Liquid concentrate
Liquid heavy-duty alkaline concentrate -
Special featuresDaimler approved, dense foam blanket, extreme glide ratio, heavy alkaline traffic film and insect removal, safe for ceramic coatings
Daimler approved, VDA Class A, phosphate-free, high alkaline pH 13.1
pH 13.1, phosphate-free, rapid insect & grease dissolution, VDA class B
VDA Class B approved, phosphate-free, dissolves organic grease and insects rapidly -
Finish effectDeep touchless clean
Mirror gloss cleanliness with brilliant hydrophobic surface tension
Pore-deep clean bare surface
Thoroughly decontaminated clean surface ready for contact wash -
BrandKoch-Chemie
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