Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Allnex CYMEL U-662 Amino Resin

Allnex CYMEL U-662 is a high-reactivity methylated melamine-formaldehyde amino resin from the CYMEL® series, engineered for durable thermoset coatings in automotive and industrial applications. It offers excellent gloss retention, chemical resistance, and compatibility with polyester and acrylic resins—enabling low-cure, high-performance crosslinking without formaldehyde emission concerns.
  • allnex cymel u 662 amino resin_d1752049
  • allnex cymel u 662 amino resin_d1752049

Features Of Allnex CYMEL U-662 Amino Resin

  1. Highly reactive melamine-formaldehyde resin with low free formaldehyde content.

  2. Excellent compatibility with acrylic, polyester, and alkyd resins in solventborne systems.

  3. Provides outstanding hardness, gloss retention, and chemical resistance in cured films.

  4. Enables fast cure at moderate baking temperatures (130–150 °C), improving energy efficiency.

  5. Offers good storage stability in acidic catalyzed formulations when properly formulated.

Typical Applications Of Allnex CYMEL U-662 Amino Resin

  1. Automotive OEM clearcoats and basecoats.

  2. Industrial coil coatings for metal substrates.

  3. Appliance finishes requiring high durability and appearance.

  4. General-purpose can and closure coatings.

  5. High-performance wood furniture and panel finishes.

Specifications Of Allnex CYMEL U-662 Amino Resin

Chemical TypeMelamine-formaldehyde resin
Product FormLiquid
AppearanceClear, pale yellow liquid
Solids Content (wt%, ASTM D1259)80–84%
Viscosity (25 °C, mPa·s, ASTM D1084)800–1,500
Free Formaldehyde (wt%, ASTM D5575)≤ 0.3%
pH (10% in water)7.5–8.5
Key FeaturesLow-bake reactivity, low free formaldehyde, high crosslink density


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