White Waterborne Acrylic Rust Converting DTM Coating based on Alberdingk® AC2403

This is a formulation for a waterborne rust-converting primer designed for long-term protection, particularly suitable for use on rusted and sand-blasted steel substrates. Here are the key details:

• Product Name: AC2403 with Asconium-114 & Ascotrust-X4
• Reference: WBACRY799-115R4
• Date: 2020-01
• Manufacturer: Alberdingk Boley
• Primer Type: Waterborne Rust-Converting Primer
• Performance: Long-term protection with rust conversion
• Substrate: Rusted sand-blasted steel
• Dry Film Thickness: 110 µm
• Salt-Spray Duration: 500 hours
• Guiding Formulation:

STEP 1 - Mill-base Tank:

1. Water
2. EDAPLAN 490 (Münzig): Dispersing Agent
3. AMP90 (Angus): Neutralizing Agent
4. BYK 024 (BYK): Defoamer
5. Butyl Glycol (Dow Chemical): Co-solvent
6. KRONOS 2190 (Sté Indus. Titane): Titanium Dioxide (TiO2)
7. DURCAL 5 (Omya): Calcium Carbonate (CaCO3)
8. ASCONIUM-114 (Ascotec): Anticorrosion Additive

STEP 2 - Let-down Tank:

1. AC2403 (Alberdingk Boley): Binder
2. BYK 024 (BYK): Defoamer
3. Water
4. TRITON HW 1000 (Dow): Wetting Agent
5. TAFIGEL PUR 85 (Münzig): Thickener
6. TAFIGEL PUR 64 (Münzig): Thickener
7. DPM (Dow Chemical): Co-solvent
8. ASCOTRAN-H17 (Ascotec): Antiflash-rust Additive
9. ASCOTRUST-X4 (Ascotec): Rust-Converting Additive

The formulation involves adding components in a specific order with agitation, followed by mixing and setting aside, and then adding additional components with continuous stirring. This primer is formulated to effectively convert rust and provide long-lasting protection against corrosion on steel substrates.