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

YT-3109 Waterborne Polyester Resin

YT-3109 is a high-performance waterborne polyester resin from the YT series by Yantai Hengtong Chemical, offering excellent gloss retention, alkali resistance and low VOC content. Designed for eco-friendly industrial coatings and metal pretreatment, it ensures stable dispersion, fast drying and strong adhesion on ferrous substrates without organic solvents.
  • yt 3109 waterborne polyester resin_df93bc0b
  • yt 3109 waterborne polyester resin_df93bc0b

Features Of YT-3109 Waterborne Polyester Resin

  1. Low-VOC, environmentally compliant formulation meeting global regulatory standards for waterborne coatings.

  2. Excellent hydrolytic stability with extended shelf life under ambient storage conditions.

  3. Superior film-forming capability yielding high gloss, hardness, and scratch resistance after curing.

  4. Good compatibility with acrylic emulsions, amino crosslinkers, and common waterborne additives.

  5. Fast ambient drying with balanced open time for industrial spray and coil coating processes.

Typical Applications Of YT-3109 Waterborne Polyester Resin

  1. Waterborne coil coatings for pre-painted metal (PPM) in architectural and appliance markets.

  2. High-performance industrial maintenance coatings for metal furniture and HVAC components.

  3. Interior and exterior metal protective topcoats requiring low odor and rapid recoatability.

  4. Base resin for waterborne polyester-urethane hybrid systems in automotive refinish primers.

  5. Functional binder in corrosion-inhibitive waterborne coatings for light industrial steel substrates.

Specifications Of YT-3109 Waterborne Polyester Resin

Chemical TypeWaterborne saturated polyester dispersion
Product FormOpaque white to off-white liquid
AppearanceHomogeneous, low-viscosity aqueous dispersion
Solids Content (wt%)45 ± 2%
pH (25°C)7.5 – 8.5
Viscosity (Brookfield, RVT, #3 spindle, 20 rpm, 25°C)800 – 1,500 cP
Particle Size (D50)80 – 120 nm
Freeze-Thaw StabilityPasses 3 cycles (−18°C/24 h → 25°C/24 h)


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