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

Allnex MACRYNAL SM 508/50BAC Hydroxyl Acrylic Resin

Allnex MACRYNAL SM 508/50BAC is a hydroxyl-functional acrylic resin designed for high-performance coil and can coatings. It offers excellent gloss retention, weather resistance, and compatibility with melamine crosslinkers. This low-VOC, solvent-based resin enables fast cure, superior flexibility, and strong adhesion on metal substrates—ideal for demanding industrial applications requiring durability and aesthetic consistency.
  • allnex macrynal sm 508 50bac hydroxyl acrylic resin_d5166688
  • allnex macrynal sm 508 50bac hydroxyl acrylic resin_d5166688

Features Of Allnex MACRYNAL SM 508/50BAC Hydroxyl Acrylic Resin

  1. High hydroxyl functionality for efficient crosslinking with melamine, polyisocyanate, and other curing agents.

  2. Excellent compatibility with common solvent-based coating systems and co-resins.

  3. Delivers superior hardness, gloss retention, and chemical resistance in cured films.

  4. Optimized molecular weight distribution for balanced flow, leveling, and film formation.

  5. Low color and high clarity—ideal for transparent and pigmented topcoat applications.

Typical Applications Of Allnex MACRYNAL SM 508/50BAC Hydroxyl Acrylic Resin

  1. Automotive OEM clearcoats and basecoats.

  2. Industrial maintenance coatings for metal substrates.

  3. General-purpose coil coatings requiring durability and UV stability.

  4. High-performance wood finishes for furniture and cabinetry.

  5. Powder coating hybrid systems (liquid primers or flow-control modifiers).

Specifications Of Allnex MACRYNAL SM 508/50BAC Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin in organic solvent blend
AppearanceClear, pale yellow liquid
Hydroxyl Value (mg KOH/g)135–145
Acid Value (mg KOH/g)< 5
Non-Volatile Content (% w/w)50 ± 2
Solvent SystemXylene / butyl acetate / ester blend
Viscosity (25°C, mPa·s)4,000–6,000


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