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

Allnex MACRYNAL SM 666 50BACX Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 666 50BACX is a hydroxyl-functional acrylic resin designed for high-performance automotive and industrial coatings. It delivers excellent gloss retention, UV resistance, and compatibility with melamine crosslinkers. This low-VOC, solvent-based resin enables robust film formation, hardness development, and chemical resistance—ideal for OEM and refinish applications requiring durability and aesthetic precision.
  • allnex macrynal sm 666 50bacx hydroxyl acrylic resin_a7715d59
  • allnex macrynal sm 666 50bacx hydroxyl acrylic resin_a7715d59

Features Of Allnex MACRYNAL SM 666 50BACX Hydroxyl Acrylic Resin

  1. High hydroxyl functionality for excellent crosslink density with melamine and polyisocyanate curing agents.

  2. Low VOC formulation compliant with stringent environmental regulations (e.g., EU Solvent Emissions Directive).

  3. Outstanding gloss retention and UV resistance in demanding exterior coatings.

  4. Excellent compatibility with common solvent-borne resins and pigments.

  5. Good flow and leveling characteristics for high-quality film formation.

Typical Applications Of Allnex MACRYNAL SM 666 50BACX Hydroxyl Acrylic Resin

  1. Automotive OEM clearcoats and basecoats.

  2. Industrial maintenance coatings for metal substrates.

  3. General-purpose coil coatings requiring durability and weatherability.

  4. High-performance can and closure coatings.

  5. Premium architectural metal façade coatings.

Specifications Of Allnex MACRYNAL SM 666 50BACX Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin in aromatic hydrocarbon solvent
AppearanceClear, pale yellow liquid
Hydroxyl Value (mg KOH/g)50–54
Solids Content (% w/w)60 ± 1
Viscosity (DIN 4, 23°C, mPa·s)2,500–3,500
Acid Value (mg KOH/g)< 5
Density (23°C, g/cm³)0.94–0.97


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