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

Mitsubishi Rayon Polymer LR-7728 Acrylic Resin

Mitsubishi Rayon Polymer LR-7728 is a high-performance acrylic resin from the LR series, engineered for superior weather resistance, gloss retention, and UV stability in automotive and industrial coatings. It offers excellent flow, leveling, and compatibility with crosslinkers like melamine formaldehyde. Widely used in OEM and refinish applications requiring durable, clear, and chemically resistant topcoats.
  • mitsubishi rayon polymer lr 7728 acrylic resin_ec4c41ed
  • mitsubishi rayon polymer lr 7728 acrylic resin_ec4c41ed

Features Of Mitsubishi Rayon Polymer LR-7728 Acrylic Resin

  1. High transparency and excellent optical clarity for premium finish applications.

  2. Superior UV resistance and long-term color stability under outdoor exposure.

  3. Good compatibility with common solvents and co-resins including nitrocellulose and melamine formaldehyde.

  4. Low viscosity in solvent-based systems, enabling easy processing and high-solids formulation.

  5. Excellent film hardness and scratch resistance after curing.

Typical Applications Of Mitsubishi Rayon Polymer LR-7728 Acrylic Resin

  1. Automotive clearcoats and topcoats requiring high gloss and durability.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. Architectural coatings for aluminum composite panels (ACPs) and curtain walls.

  4. UV-curable hybrid coating systems where acrylic backbone enhances crosslink density.

  5. High-performance coil coatings for pre-painted steel and aluminum.

Specifications Of Mitsubishi Rayon Polymer LR-7728 Acrylic Resin

Chemical TypeSolvent-based acrylic copolymer
Product FormLiquid resin solution
AppearanceClear, pale yellow to colorless liquid
Solvent ContentToluene/xylene blend (typical)
Non-Volatile Content (NV)50 ± 2 wt% (as supplied)
Acid Value5–10 mg KOH/g
Hydroxyl Value60–80 mg KOH/g
Primary ApplicationsHigh-gloss automotive and industrial topcoats


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