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High reactivity with polyester and alkyd resins for efficient crosslinking at moderate cure temperatures.
Excellent compatibility with conventional solventborne industrial coating systems.
Provides outstanding hardness, gloss retention, and chemical resistance in finished films.
Low formaldehyde content, supporting improved workplace safety and regulatory compliance.
Consistent batch-to-batch performance ensured by strict Allnex quality control protocols.
Automotive OEM and refinish topcoats requiring high durability and aesthetic performance.
Industrial maintenance coatings for metal substrates exposed to harsh environments.
Appliance coatings where excellent mar resistance and long-term color stability are critical.
General-purpose coil coatings for pre-painted metal used in building and construction.
| Chemical Type | Methylated melamine-formaldehyde resin |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Solvent Content | Butanol / xylene blend |
| Non-Volatile Content (NV%) | 70–74% (by weight, ASTM D1259) |
| Viscosity (25°C) | 80–120 mPa·s (ASTM D4287) |
| pH (10% solution in water) | 7.5–8.5 |
| Storage Stability | ≥12 months at 25°C in sealed container |
Q1: What is the primary function of CYREZ 964 in coating formulations?
A: CYREZ 964 functions as a highly reactive amino crosslinker, designed to enhance cure speed, hardness, and chemical resistance in thermosetting acrylic, polyester, and alkyd-based coatings—particularly in industrial and coil coating applications.
Q2: Is CYREZ 964 compatible with acid-catalyzed baking systems?
A: Yes, CYREZ 964 is formulated for use with conventional acid catalysts (e.g., p-toluenesulfonic acid or blocked sulfonic acids) and delivers efficient crosslinking under typical thermal cure conditions (140–200 °C), without excessive volatility or premature gelation.
Q3: How does CYREZ 964 compare to traditional melamine-formaldehyde resins in terms of formaldehyde release?
A: CYREZ 964 is a low-free-formaldehyde amino resin, engineered to minimize residual formaldehyde content and emissions during storage and curing—supporting improved workplace safety and compliance with evolving environmental and occupational health expectations.
Q4: Can CYREZ 964 be used in high-solids or solvent-reduced systems?
A: Yes, CYREZ 964 offers good solubility in common organic solvents (e.g., xylene, butyl acetate, PGDA) and is suitable for formulation into high-solids and low-VOC coating systems, helping formulators meet regulatory and sustainability targets without sacrificing performance.
Q5: What are key handling and storage recommendations for CYREZ 964?
A: Store in tightly sealed containers in a cool, dry, well-ventilated area away from strong oxidizers and acidic materials. Avoid prolonged exposure to moisture or elevated temperatures, which may affect viscosity and reactivity over time. Always consult the Safety Data Sheet before handling.
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