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

Allnex MACRYNAL SM 2815 70BAC Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 2815 70BAC is a hydroxyl-functional acrylic resin designed for high-performance two-component polyurethane coatings. It offers excellent gloss retention, weather resistance, and compatibility with isocyanates. Ideal for automotive refinish and industrial topcoats, this low-VOC, solvent-based resin delivers superior flow, hardness development, and chemical resistance while meeting stringent environmental standards.
  • allnex macrynal sm 2815 70bac hydroxyl acrylic resin_f0255c12
  • allnex macrynal sm 2815 70bac hydroxyl acrylic resin_f0255c12

Features Of Allnex MACRYNAL SM 2815 70BAC Hydroxyl Acrylic Resin

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

  2. Low viscosity in high-solids formulation, enabling reduced VOC content and improved application efficiency.

  3. Outstanding gloss retention and color stability under UV exposure and weathering conditions.

  4. Good compatibility with common automotive and industrial coating resins and additives.

  5. Consistent batch-to-batch reproducibility meeting stringent OEM quality requirements.

Typical Applications Of Allnex MACRYNAL SM 2815 70BAC Hydroxyl Acrylic Resin

  1. Automotive OEM clearcoats and basecoats.

  2. Refinish topcoats for passenger vehicles and light-duty trucks.

  3. Industrial maintenance coatings for metal substrates.

  4. High-performance coil coatings requiring durability and flexibility.

  5. Premium architectural metal finishes for façades and roofing systems.

Specifications Of Allnex MACRYNAL SM 2815 70BAC Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin solution
AppearanceClear, pale yellow liquid
Solvent System70% BAC (Butyl Acetate), balance aromatic hydrocarbons
Hydroxyl Value (mg KOH/g)65–75
Acid Value (mg KOH/g)< 5
Non-Volatile Content (wt %)70 ± 1
Viscosity (25°C, mPa·s, Brookfield LV, Spindle #3, 60 rpm)4,000–7,000


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