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

Allnex MACRYNAL SM 685 55BAC Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 685 55BAC is a hydroxyl-functional acrylic resin designed for high-performance two-component polyurethane coatings. It delivers excellent gloss retention, UV resistance, and chemical durability while enabling low-VOC formulations. Ideal for automotive refinish, industrial maintenance, and coil coatings requiring superior hardness and flexibility.
  • allnex macrynal sm 685 55bac hydroxyl acrylic resin_7f53647d
  • allnex macrynal sm 685 55bac hydroxyl acrylic resin_7f53647d

Features Of Allnex MACRYNAL SM 685 55BAC 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. Outstanding gloss retention and UV resistance in exterior applications.

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

  5. Optimized viscosity for efficient spray application and high-solids formulation flexibility.

Typical Applications Of Allnex MACRYNAL SM 685 55BAC 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 appliance finishes.

  5. Refinish coatings for automotive and heavy-duty equipment.

Specifications Of Allnex MACRYNAL SM 685 55BAC Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin solution
AppearanceClear to slightly yellow, homogeneous liquid
Solvent SystemAromatic-free (proprietary aliphatic/oxygenated blend)
Hydroxyl Value (mg KOH/g)55–60
Acid Value (mg KOH/g)< 5
Non-Volatile Content (% wt)55 ± 1
Viscosity (25°C, mPa·s, DIN 4)3,000–5,000


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *