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

Allnex MACRYNAL SM 636 70BAC Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 636 70BAC is a hydroxyl-functional acrylic resin designed for high-performance automotive and industrial coatings. It offers excellent gloss retention, weather resistance, and compatibility with melamine crosslinkers. With ~70% non-volatile content and optimal OH value, it enables durable, flexible films with fast cure response and low VOC formulation capability.
  • allnex macrynal sm 636 70bac hydroxyl acrylic resin_8450fec9
  • allnex macrynal sm 636 70bac hydroxyl acrylic resin_8450fec9

Features Of Allnex MACRYNAL SM 636 70BAC Hydroxyl Acrylic Resin

  1. High hydroxyl functionality for excellent crosslinking 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 solubility in common organic solvents including xylene, butyl acetate, and PGMEA.

  5. Consistent batch-to-batch performance ensuring reliable coating film formation and reproducibility.

Typical Applications Of Allnex MACRYNAL SM 636 70BAC 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. Powder coating hybrid systems (acrylic-polyester blends).

  5. High-performance wood finishes for furniture and architectural millwork.

Specifications Of Allnex MACRYNAL SM 636 70BAC Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin solution
AppearanceClear, pale yellow liquid
Solvent SystemAromatic hydrocarbons and esters
Hydroxyl Value (mg KOH/g)65–75
Acid Value (mg KOH/g)< 5
Non-Volatile Content (% w/w)70 ± 1
Viscosity (25°C, mPa·s)800–1,200


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