Thunder Heavy Duty Liquid Presoak

Heavy-Duty Vehicle Wash Presoak | Thunder™ 9147 Series

KO's heaviest-duty liquid vehicle wash presoak, formulated for jobs that call for extra cleaning power. Thunder is an alkaline compound built for washing passenger cars and trucks in automatic and self-serve wash systems, with excellent penetrating power on heavy road film and grime. High-foaming, fast-rinsing, and stable in hard water, it can also serve as a general-purpose cleaner where a stronger presoak is needed.

Key Features

• KO's heaviest-duty liquid presoak — built for the toughest road film and soils
• Alkaline chemistry with excellent penetrating power
• Formulated for automatic and self-serve car and truck wash systems
• Doubles as a general-purpose cleaner where extra strength is needed
• High-foaming for visible coverage and dwell time
• Fast-rinsing
• Stable in hard water
• Biodegradable

Applications

• Automatic and self-serve carwashes
• Tunnel carwashes
• Touchless wash systems
• Truck, fleet, and equipment washing
• Heavy-duty general-purpose cleaning

Why Choose Thunder

• Maximum Strength: KO's heaviest-duty presoak, formulated for the soils that lighter products leave behind.
• Deep Penetration: Cuts and lifts stubborn road film and grime ahead of the wash.
• Versatile: Performs as a dedicated presoak or a general-purpose heavy cleaner.
• Hard-Water Stable: Holds cleaning performance in hard-water conditions and rinses fast.
• Biodegradable: Built on readily biodegradable surfactants.

Specifications

• Physical Form: Liquid
• Color: Green
• Fragrance: Citrus
• pH (1% dilution): 11.5 – 12.5
• DOT Classification: Corrosive (DOT Class 8)
• Suggested Dilution: 75:1 up to 90:1

Quality & Compliance

• Manufactured by KO Manufacturing, Inc., backed by ongoing R&D, field testing, and laboratory validation.
• Biodegradable surfactant base.
• Classified as Corrosive (DOT Class 8) — Signal Word: DANGER. Corrosive alkaline concentrate; causes severe skin burns and eye damage. Wear chemical-resistant gloves, an impervious apron, boots, chemical safety goggles, and a full face shield, and review the SDS in full before handling.
• Store locked up in the original closed, corrosion-resistant container, away from soft metals and acidic materials.

Safety Data Sheet

Titration Chart