Koch-Chemie Express Pre-Wash PE — Rapid Alkaline Pre-Cleaner, 23 kg

Koch-Chemie Express Pre-Wash (PE): Rapid Alkaline Pre-Cleaner

Koch-Chemie Express Pre-Wash PE is an ultra-fast acting, phosphate-free alkaline pre-cleaner (pH 13.0 in concentrate) engineered specifically for high-throughput commercial wash tunnels, express conveyor installations, and rapid pre-wash stations. Its advanced formula with high wetting power acts immediately upon contact, penetrating insects, biological splatter, brake dust, and oily traffic film in seconds.

1. Intended Purpose & Problem Solving

• Target Facilities: High-volume express car wash tunnels, rollover portals, and professional pre-spray arches.
• Contaminants Removed: Baked-on insect proteins, traffic soot, oily film, and road dust.
• VDA Compliance: VDA Class B compliant with short dwell times.

2. Key Features & Technical Advantages

• Express Reaction Speed: Activates within 30–60 seconds, perfect for fast-moving conveyor lines.
• Phosphate & NTA Free: Fully compatible with wastewater regulations and biological treatment tanks.
• High Wetting Penetration: Immediately wets dry insect residues, facilitating effortless pressure rinsing.

3. Application Guidelines & Dilution Ratios

• Pre-Spray Arch / Low Pressure: 1:30 to 1:60 dilution with water.
• Manual Pre-Sprayer: 1:20 to 1:50.
• Process: Spray onto vehicle panels -> Allow 30–60 seconds dwell time -> Rinse with high-pressure water arch.

4. Critical Caveats & Safety Instructions

• Material Warnings: Do not apply on hot surfaces or in direct sun. Do not let dry.

5. Technical Specifications