Water Reducible Saturated Polyester Resins

Water-reducible saturated polyester resins are advanced, environmentally responsible coating binders engineered for high-performance industrial finishes with low VOC emission. These resins disperse easily in water, eliminating the need for harsh solvents and enabling manufacturers to comply with global environmental regulations.

Their excellent adhesion, smooth film appearance, and fast drying make them ideal for metal coatings, wood finishes, can coatings, coil coatings, plastic substrates, primers, and topcoats. Typical ingredients include terephthalic acid (PTA), isophthalic acid (IPA), neopentyl glycol (NPG), adipic acid, cyclohexane dimethanol (CHDM), polyols, and hydrophilic modifying agents that enhance water compatibility. Water-Reducible polyester resins have many advantages such as low VOC, excellent water dispersibility, high gloss clarity, strong chemical resistance, and long-term weather protection. These resins offer good corrosion defense, high drying efficiency, stain resistance, and superior mechanical strength for high-speed production lines.

The film that is created by water-reducible resins remains flexible without cracking, even under thermal cycling or mechanical stress. There are many grades available that serve architectural coatings, automotive interior parts, wood coatings, general industrial paints, and eco-friendly production plants.

Available Grades:

Include Water-Dispersible High-Gloss Polyesters
Fast-Drying Grades
Matte & Semi-Matte Finishes
Melamine-Crosslinked Systems
Isocyanate-Curable Grades
UV-Stable Outdoor Versions
Anti-Yellowing Indoor Coatings
Industrial Metal Protection Types

Water-Reducible Saturated Polyester Resins

Specification	Typical Value
Product Name	Water Reducible Saturated Polyester Resin
Chemical Type	Waterborne Modified Saturated Polyester Resin
Appearance	Clear to slightly hazy liquid
Solid Content	30–60% (Depending on Grade)
Solvent System	Water Reducible / Water Based
Viscosity	Customized According to Application
Acid Value	Controlled According to Formulation
Hydroxyl Value	Available for Crosslinking Grades
pH Value	7.0–9.0 Approx.
Application Method	Spray, Roller, Dip, Curtain Coating
Main Applications	Industrial, Automotive, Metal, Wood Coatings
Key Advantages	Low VOC, Excellent Adhesion, Durability, Eco-Friendly

IF YOU ARE WILLING TO BUY VARIETY OF POLYESTER RESINS FROM IRANIAN SUPPLIERS, PLEASE SCROLL DOWN AND SUBMIT YOUR REQUEST.

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FAQ Water Reducible Saturated Polyester Resins

Water Reducible Saturated Polyester Resins are water-compatible polyester polymers used for manufacturing environmentally friendly coating systems with excellent adhesion, durability, and chemical resistance.

They are mainly used in industrial coatings, automotive coatings, metal finishing paints, appliance coatings, wood coatings, protective coatings, and decorative waterborne paint systems.

Commercial grades include baking coating resins, high solid waterborne polyester resins, hydroxyl functional polyester resins, self-crosslinking grades, and modified polyester dispersions designed for different coating requirements.

They provide lower VOC emissions, reduced environmental impact, low odor, good film formation, excellent adhesion, high durability, and compliance with modern environmental coating regulations.

They are manufactured through polyesterification reactions between polyols and polyacids, followed by chemical modification to introduce water compatibility and achieve stable aqueous dispersion properties.

You can find a suitable supplier in Iran through Irancorps, which connects international buyers with verified Iranian manufacturers and exporters of industrial chemical products, helping customers identify reliable suppliers based on quality, capacity, and export requirements.