NALFLEET™ Cooltreat AL™

NALFLEET™ Cooltreat AL™ is a premium, organic liquid corrosion inhibitor designed for closed engine cooling water systems. Unlike traditional inhibitors, it forms a thin, durable protective layer on metal surfaces, preventing corrosion while maintaining excellent heat transfer efficiency.

This innovative solution is based on aliphatic acid technology, making it non-depleting and requiring less frequent testing. Its environmentally friendly, biodegradable formulation ensures compliance with modern marine regulations.

Ideal for protecting materials such as aluminium, steel, and brass, NALFLEET™ Cooltreat AL™ is perfect for use in:

• Diesel Engines

• Compressors

• Central Heating Systems

• Auxiliary Machinery Cooling Systems

Specification

General

Physical properties

Key Features

• Effective Corrosion Protection – Guards against cavitation, erosion, and scaling.

• Superior Heat Transfer – Prevents insulating layer build-up on heat transfer surfaces.

• Environmentally Friendly – Fully organic, biodegradable, and low toxicity.

• Stable and Long-Lasting – Non-depleting formula reduces the need for frequent testing.

• Aluminium Safe – Compatible with aluminium components.

• Compatible with Glycols – Ensures effective frost protection when mixed with glycol solutions.

Benefits

1] Reduced Maintenance – Extended system life with minimal upkeep.

2] Improved Efficiency – Superior heat transfer improves performance.

3] Versatile Use – Suitable for various marine and industrial applications.

4] Environmentally Responsible – Eco-friendly formulation that meets modern marine standards.

5] Tested and Approved – Approved by major engine manufacturers.

How to Use

1. System Preparation:

• For new systems, clean the system with UNITOR™ Commissioning Cleaner before applying Cooltreat AL.

• For contaminated systems, degrease using UNITOR™ Seaclean Plus followed by descaling with UNITOR™ Descalex.

2. Dosing Method:

• Add 60 litres of Cooltreat AL™ per 1,000 litres of untreated distilled water (6% concentration).

• For systems with aluminium components, ensure Cooltreat AL is used rather than traditional inhibitors.

3. Maintenance and Testing:

• Regularly test the system using the Spectrapak Test Kit to ensure optimal inhibitor levels.

• Maintain pH levels between 7.0 and 9.0 and ensure chloride levels are below 50 ppm.

4. Make-Up Water:

• Always dose 6% Cooltreat AL™ in any make-up water added to the system.

• Use distilled water to minimize chloride levels and maximize corrosion protection.