Advanced Water-soluble Resin for Coating Application

Our Water-soluble resin product line includes high-performance acrylic and polyester variants engineered for eco-friendly and efficient coating applications. These resins are designed to deliver excellent hydration, superior hardness, boiling water resistance, and outstanding recoating performance, making them ideal for a wide spectrum of industrial water-based coatings.

 



Product Overview

Runshine product line encompasses both water-soluble acrylic and water based polyurethaner resins, featuring solid contents ranging from 58% to 80%, viscosities between 3,00020,000 mp.a.s at 25°C, and adaptable pH levels from 6.0 to 8.5. Formulated with solvents such as BCS and PM/BCS blends, these resins are developed to support sustainable coating operations while maintaining high performance in demanding environments.

 
Water-soluble resin
 

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Key Features

  • Ready solubility in water in any proportion

  • Exceptional resistance to boiling water and RCA abrasion High hardness and remarkable gloss for superior finish quality

  • Excellent recoating compatibility and MEK resistance

  • Cost-effective solutions without compromising on coating performance

 

Parameter Typical Value Unit Notes
Viscosity (25°C, Brookfield RV) 3000-20000 mPa·s Spindle 3, 20 rpm
Hydroxyl Value 2.8-5.5 % /
Acid Value 50-120 (mgKOH/G, 25℃) /
Solvent PM/BCS/water For formulation compatibility
Shelf Life 12 months Stored in sealed containers at 5–35°C
Storage Cool, dry place Avoid direct sunlight and moisture

 

Water-soluble Resin
Model Viscosity(mpa.s/25℃) Hydroxyl Value % Solid Content % Acid Value(mgKOH/G, 25℃) Solvent pH Value Character
RHERI® WD-715 8000-16000 // 58±2 80-120 BCS 7.0-8.5 Excellent hydration effect, can be added directly with any proportion of water. Good boiling resistance, high hardness and is easy to hydrate.
RHERI® WD-718 9000-20000 2.8 58±2 55-75 BCS 7.0-8.5 High economical, good recoatability, high resistance to water boiling and resistance to RCA. Easy to hydrate.
RHERI® 2801 3000-8000 // 60±2 50-70 PM/BCS   Extremely economical, high resistant to water boiling, and high hardness.
RHERI® 2801-80 10000-20000 5.5 80±2 // BCS 6.0-8.0 Excellent brightness and fullness, good recoatability,good resistant to MEK.
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Applications

   ◊ Industrial water-based coatings

   ◊ Metal protection primers and topcoats

   ◊ Household appliance coatings with boiling water resistance

   ◊ High-clarity and high-hardness finish coatings

   ◊ Systems requiring strong chemical and abrasion resistance

 

 

Benefits

 

Eco-Friendly Formulation: As a water-soluble resin, it significantly reduces VOC emissions and environmental impact, supporting compliance with green manufacturing standards.

Ease of Application: Can be diluted directly with water in any ratio, simplifying production processes and reducing handling risks.

Enhanced Durability: Delivers high resistance to water, abrasion, and chemicals, extending the lifecycle of coated products.

Superior Aesthetics: Provides excellent brightness, fullness, and smooth finishes ideal for high-end appearance-sensitive applications.

Cost Efficiency: Delivers high performance at an economical cost, optimizing material usage and operational productivity.

Versatility: Suitable for various industrial sectors thanks to its flexible formulation and reliable performance under diverse conditions.

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