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Highly reactive melamine-formaldehyde-based amino resin with balanced cure speed and storage stability.
Excellent compatibility with alkyd, polyester, and acrylic resins for solventborne and high-solids coatings.
Delivers superior hardness, gloss retention, and chemical resistance in thermoset coating systems.
Low formaldehyde content meeting stringent regulatory requirements for industrial coatings.
Consistent batch-to-batch performance ensured through rigorous Allnex quality control protocols.
Automotive OEM and refinish topcoats requiring high durability and appearance.
Industrial maintenance coatings for metal substrates including appliances and machinery.
Can and coil coatings where excellent corrosion resistance and flexibility are critical.
General-purpose baked enamels for metal packaging and decorative applications.
| Chemical Type | Melamine-formaldehyde resin |
| Product Form | Liquid solution |
| Appearance | Clear to slightly hazy, pale yellow liquid |
| Solvent Content | Approx. 65–75 wt% (in aromatic hydrocarbons) |
| Non-Volatile Content | 25–35 wt% (at 105 °C, 60 min) |
| Viscosity (Brookfield, 25 °C) | 200–800 mPa·s |
| Acid Number | 1–5 mg KOH/g |
| Storage Stability | ≥6 months at 25 °C in sealed container |
Q1: What is the primary function of CYREZ CRA 200-300 in coating formulations?
A: CYREZ CRA 200-300 functions as a low-viscosity, highly reactive amino crosslinker, designed to enhance cure speed, hardness, and chemical resistance in thermosetting coatings—particularly in high-solids and low-bake applications.
Q2: Which resin types is CYREZ CRA 200-300 typically compatible with?
A: It exhibits excellent compatibility with hydroxyl-functional acrylics, polyesters, and alkyds, and is widely used in ambient- or low-temperature cured systems where rapid network formation and good film integrity are required.
Q3: How does CYREZ CRA 200-300 differ from conventional melamine-formaldehyde resins?
A: Unlike traditional melamine resins, CYREZ CRA 200-300 offers lower formaldehyde content, improved storage stability, and enhanced reactivity at reduced cure temperatures—making it suitable for energy-efficient and more sustainable coating processes.
Q4: Is CYREZ CRA 200-300 suitable for food-contact coatings?
A: While CYREZ CRA 200-300 is formulated to meet industry expectations for low extractables and thermal stability, final regulatory compliance for food-contact applications depends on the complete formulation, processing conditions, and applicable regional requirements—formulators must conduct full system validation.
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E-mail: wangxingqiang@ericwchem.com
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