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Allnex ADDITOL XL 204 is a high-quality multi-functional coating additive in Allnex’s ADDITOL® series, specially developed for various paints and coatings systems. It is a silicone-containing anionic active product with three core functions of anti-floating, wetting and dispersion. With excellent compatibility, it can effectively improve pigment wettability, increase pigment loading without increasing system viscosity, optimize aluminum flake orientation,
Three-in-one - Integrates anti-floating, wetting and dispersion, simplifies formulation and improves comprehensive performance
Excellent silicone properties - Enhance paint film gloss and smoothness, optimize surface texture and reduce defects
Strong cationic activity - Outstanding adsorption performance, inhibit pigment floating and flooding, stabilize system uniformity
Excellent compatibility - Suitable for various coating systems, can be well compounded with various additives and resins
Convenient and efficient processing - Easy to add and disperse, suitable for grinding and dissolving processes, reduce energy consumption
Solvent-based coatings - Suitable for air-drying and baking solvent-based coatings, improve dispersibility and paint film appearance
Water-dilutable coatings - Optimize pigment dispersion in aqueous systems, improve construction performance and finished product gloss
Automotive OEM coatings - Suitable for automotive OEM coatings, optimize aluminum flake orientation and improve paint film texture
Industrial protective coatings - Suitable for industrial metal and marine protective coatings, enhance durability and appearance performance
Packaging coatings and inks - Improve pigment dispersion stability, help achieve excellent appearance and service performance
| Brand | Allnex |
| Series | ADDITOL® Series |
| Chemical Type | Silicone-containing anionic active anti-floating, wetting and dispersing agent |
| Product Form | Liquid (25℃, typical value) |
| Ionicity | Anionic |
| Active Ingredient Content | ≥98% (typical value) |
| Density (25℃) | 0.93-0.97g/cm³ (typical value) |
| Viscosity (25℃) | 180-750mPa·s (typical value) |
| pH Value (1% aq. sol.) | 7.5-8.5 (typical value) |
| Flash Point (Closed Cup) | ≥110℃ (typical value) |
| VOC Content | Low VOC, meeting environmental protection |
Q1: What types of pigment systems is ADDITOL XL 204 especially effective for?
A: ADDITOL XL 204 demonstrates strong wetting performance with both inorganic pigments (e.g., titanium dioxide, iron oxides) and challenging organic pigments, including high-surface-area carbon blacks and phthalocyanine blues and greens. Its molecular structure supports rapid interfacial coverage and dispersion stabilization in solventborne and high-solids systems.
Q2: Can ADDITOL XL 204 be used in waterborne coatings?
A: ADDITOL XL 204 is primarily designed for solventborne and high-solids resin systems. It is not recommended for direct use in waterborne formulations due to limited water compatibility and potential stability issues. For aqueous systems, Allnex offers alternative wetting agents specifically engineered for water-based dispersions.
Q3: How does ADDITOL XL 204 differ from conventional low-MW surfactants in terms of migration and film integrity?
A: As a polymeric, non-ionic wetting agent with higher molecular weight and anchoring functionality, ADDITOL XL 204 exhibits reduced tendency to migrate or bloom compared to small-molecule surfactants. This contributes to improved long-term film clarity, surface uniformity, and resistance to hazing—particularly in clearcoats and high-gloss applications.
Q4: What is the typical dosage range for optimal performance?
A: Dosage depends on pigment type, loading, and system viscosity, but ADDITOL XL 204 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to pigment solids. Optimization through lab-scale dispersion trials is recommended to balance wetting efficiency, gloss development, and rheological behavior.
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