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

Allnex MACRYNAL SM 516 70BAC Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 516 70BAC is a hydroxyl-functional acrylic resin designed for high-performance 2K polyurethane coatings. It offers excellent gloss retention, weather resistance, and compatibility with isocyanates. With ~70% solids in butyl acetate and low viscosity, it enables low-VOC formulations while delivering superior hardness and chemical resistance in automotive and industrial finishes.
  • allnex macrynal sm 516 70bac hydroxyl acrylic resin_08e3c19f
  • allnex macrynal sm 516 70bac hydroxyl acrylic resin_08e3c19f

Features Of Allnex MACRYNAL SM 516 70BAC Hydroxyl Acrylic Resin

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

  2. Low VOC content compliant with stringent environmental regulations for industrial coatings.

  3. Superior gloss retention and UV resistance in exterior durable topcoats.

  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 516 70BAC Hydroxyl Acrylic Resin

  1. Automotive OEM and refinish clearcoats and basecoats.

  2. Industrial maintenance coatings for metal substrates.

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

  4. High-performance appliance finishes (refrigerators, washing machines).

  5. Precision equipment and electronics enclosures requiring low outgassing.

Specifications Of Allnex MACRYNAL SM 516 70BAC Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin solution
AppearanceClear to slightly pale yellow liquid
Solvent SystemAromatic-free (proprietary aliphatic blend)
Hydroxyl Value (mg KOH/g)70–78
Acid Value (mg KOH/g)< 5
Non-Volatile Content (% wt)70 ± 2
Viscosity (DIN 4, 23°C, mPa·s)3,500–5,500


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