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

Allnex MACRYNAL SM 2703 80BACX Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 2703 80BACX is a hydroxyl-functional acrylic resin designed for high-performance 2K polyurethane coatings. It offers excellent gloss retention, weather resistance, and compatibility with isocyanates. Ideal for automotive refinish and industrial topcoats requiring durability, clarity, and fast cure response. Solvent-based, low-viscosity, and optimized for BACX solvent system.
  • allnex macrynal sm 2703 80bacx hydroxyl acrylic resin_3f4c2a05
  • allnex macrynal sm 2703 80bacx hydroxyl acrylic resin_3f4c2a05

Features Of Allnex MACRYNAL SM 2703 80BACX Hydroxyl Acrylic Resin

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

  2. Optimized molecular weight distribution for superior flow, leveling, and film formation in high-gloss coatings.

  3. Low VOC formulation compatibility — designed to support solvent-borne systems meeting stringent regulatory requirements.

  4. Enhanced weathering resistance and UV stability for durable exterior performance.

  5. Good compatibility with common acrylic, polyester, and cellulose ester resins in multi-resin binder systems.

Typical Applications Of Allnex MACRYNAL SM 2703 80BACX Hydroxyl Acrylic Resin

  1. Automotive OEM topcoats and clearcoats.

  2. Industrial maintenance coatings for metal substrates.

  3. General-purpose coil coatings requiring high durability and gloss retention.

  4. Prefinished building products including aluminum composite panels (ACP) and architectural extrusions.

  5. High-performance refinish coatings for automotive and heavy-duty equipment.

Specifications Of Allnex MACRYNAL SM 2703 80BACX Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid solution
AppearanceClear, pale yellow liquid
Solvent SystemButyl acetate / xylene blend
Hydroxyl Value (mg KOH/g)80–90
Acid Value (mg KOH/g)< 5
Non-Volatile Content (% w/w)78–82
Viscosity (mPa·s, 25°C, #4 spindle, 20 rpm)1,200–2,000


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