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Excellent weather resistance and UV stability for long-term outdoor performance.
High transparency and gloss retention in clear coating systems.
Good compatibility with common crosslinkers including melamine and polyisocyanate types.
Low yellowing tendency, ideal for white and pastel-colored finishes.
Balanced molecular weight distribution ensuring smooth film formation and good flow leveling.
Automotive OEM topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
Architectural pre-coated metal (PCM) finishes.
General-purpose solventborne decorative coatings.
High-performance coil coating systems.
| Chemical Type | Solventborne acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow liquid |
| Solvent System | Xylene / butyl acetate blend |
| Non-Volatile Content (wt%) | 50 ± 2% |
| Acid Value (mg KOH/g) | 3–6 |
| Viscosity (25°C, mPa·s) | 800–1,200 (Ford Cup #4) |
| Primary Applications | Thermosetting automotive and industrial coatings |
Q1: What is the primary function of DIANAL BR 113 in coating formulations?
A: DIANAL BR 113 is a solution-grade acrylic resin designed primarily as a film-forming binder and rheology modifier in solvent-based industrial coatings, offering good clarity, gloss retention, and compatibility with common crosslinkers such as melamine formaldehyde resins.
Q2: Is DIANAL BR 113 suitable for use in food-contact coatings?
A: DIANAL BR 113 is not pre-qualified for direct food-contact applications. Formulators must conduct full regulatory evaluation—including migration testing and compliance assessment—based on the final cured coating system and intended use conditions before considering it for food packaging or processing equipment coatings.
Q3: Which solvents are recommended for diluting DIANAL BR 113?
A: The resin demonstrates good solubility in common aromatic and aliphatic hydrocarbons (e.g., xylene, mineral spirits), ketones (e.g., MEK, MIBK), and esters (e.g., butyl acetate). Solvent selection should consider evaporation rate, safety requirements, and compatibility with other formulation components.
Q4: How does DIANAL BR 113 contribute to weather resistance in exterior coatings?
A: As a non-yellowing acrylic resin with high UV stability, DIANAL BR 113 helps enhance gloss retention, chalking resistance, and color stability in exterior architectural and industrial maintenance coatings when properly formulated and cured.
Q5: Can DIANAL BR 113 be blended with polyester or alkyd resins?
A: Yes, DIANAL BR 113 exhibits broad compatibility with many polyester and short-oil alkyd resins, enabling hybrid systems that balance hardness, flexibility, and drying performance—though compatibility testing under actual formulation conditions is strongly recommended prior to scale-up.
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