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

Allnex CYMEL 251 Amino Resin

Allnex CYMEL 251 is a high-reactivity methylated melamine-formaldehyde amino resin from the CYMEL® series, offering excellent cure speed, hardness, and chemical resistance for coil coatings, automotive finishes, and industrial baking enamels. It delivers superior crosslinking efficiency with hydroxyl-functional resins under thermal curing conditions.
  • allnex cymel 251 amino resin_daeb389a
  • allnex cymel 251 amino resin_daeb389a

Features Of Allnex CYMEL 251 Amino Resin

  1. Highly reactive melamine-formaldehyde resin offering rapid cure at low to medium baking temperatures.

  2. Excellent compatibility with acrylic, polyester, and alkyd resins in solvent-based coating systems.

  3. Delivers superior hardness, gloss retention, and chemical resistance in thermoset coatings.

  4. Low formaldehyde emission profile, supporting compliance with stringent VOC and emissions regulations.

  5. Good storage stability in acidic catalyzed formulations when properly inhibited.

Typical Applications Of Allnex CYMEL 251 Amino Resin

  1. Automotive OEM and refinish topcoats requiring high-gloss, durable finishes.

  2. Industrial coil coatings for pre-painted metal substrates.

  3. Air-dry and forced-dry can coatings for food and beverage containers.

  4. General-purpose appliance and furniture coatings.

  5. High-performance metal decorating inks and overprint varnishes.

Specifications Of Allnex CYMEL 251 Amino Resin

Chemical TypeMelamine-formaldehyde resin
Product FormLiquid (solution in methanol and/or isobutanol)
AppearanceClear, colorless to pale yellow liquid
Solids Content (wt%)80–84%
Viscosity (mPa·s, 25°C)800–1,500
Density (g/cm³, 25°C)1.18–1.22
pH (10% solution in water)7.5–9.0
Primary ApplicationsThermosetting decorative and protective coatings


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