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

Evonik DYNAPOL LH818-05N Medium Molecular Weight Saturated Polyester Resin

Evonik DYNAPOL LH818-05N is a medium-molecular-weight saturated polyester resin from the DYNAPOL® LH series, designed for high-performance powder coatings. It offers excellent flow, leveling, and mechanical properties with balanced reactivity and storage stability. Widely used in architectural and appliance coatings requiring durability, gloss retention, and weather resistance.
  • evonik dynapol lh818 05n medium molecular weight saturated polyester resin_79b9291a
  • evonik dynapol lh818 05n medium molecular weight saturated polyester resin_79b9291a

Features Of Evonik DYNAPOL LH818-05N Medium Molecular Weight Saturated Polyester Resin

  1. Medium molecular weight for balanced flow control and film formation in thermoset coatings.

  2. Highly saturated backbone ensures excellent hydrolytic stability and UV resistance.

  3. Low acid value enables compatibility with melamine-formaldehyde crosslinkers without excessive catalyst demand.

  4. Consistent batch-to-batch reproducibility meeting stringent automotive and industrial coating standards.

  5. Optimized for high-gloss, low-temperature-cure powder and liquid coil coating systems.

Typical Applications Of Evonik DYNAPOL LH818-05N Medium Molecular Weight Saturated Polyester Resin

  1. Powder coatings for architectural aluminum extrusions.

  2. Coil coatings for pre-painted metal roofing and wall panels.

  3. Automotive clearcoats and basecoat binders requiring weatherability and chemical resistance.

  4. Industrial maintenance coatings for agricultural and construction equipment.

  5. General-purpose thermosetting decorative finishes on metal substrates.

Specifications Of Evonik DYNAPOL LH818-05N Medium Molecular Weight Saturated Polyester Resin

Chemical TypeSaturated polyester resin
Product FormFlake or granular solid
AppearanceWhite to off-white homogeneous flakes
Acid Value (mg KOH/g)20–26
Hydroxyl Value (mg KOH/g)15–22
Gardner Color≤ 3
Softening Point (°C, Ring & Ball)72–78
Volatile Content (% wt, 120°C/2h)≤ 0.5


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