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

Runtan RTC C-16 Coalescent

Runtan RTC C-16 Coalescent is a high-efficiency coalescing agent from Runtan’s RTC series, specifically engineered for water-based architectural coatings. It enhances film formation, improves scrub resistance and gloss retention, and ensures excellent compatibility with acrylic emulsions. Non-VOC, low-odor, and APEO-free, it delivers superior coalescence at low addition levels (2–5% on resin solids), supporting sustainable formulation without compromising performance.
  • runtan rtc c 16 coalescent_fe7b4901
  • runtan rtc c 16 coalescent_fe7b4901

Features Of Runtan RTC C-16 Coalescent

  1. High-efficiency film-forming aid for ambient-cure acrylic and vinyl acetate-based emulsions.

  2. Low volatility and minimal odor, supporting low-VOC formulation compliance.

  3. Excellent compatibility with common waterborne polymer systems without destabilizing latex particles.

  4. Improves scrub resistance and block resistance in final dried films.

  5. Non-migrating and non-extractable after coalescence, enhancing long-term film integrity.

Typical Applications Of Runtan RTC C-16 Coalescent

  1. Interior and exterior architectural wall paints.

  2. Waterborne industrial maintenance coatings.

  3. Acrylic-based wood finishes and primers.

  4. Low-temperature curing elastomeric roof coatings.

  5. Water-based adhesives and sealants requiring flexible, durable films.

Specifications Of Runtan RTC C-16 Coalescent

Chemical TypeAlkyl ester of diacetone alcohol (DAA derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
SolubilityMiscible with water, alcohols, glycol ethers, and common organic solvents
Boiling Point (at 760 mmHg)Approx. 235–245 °C
Density (25 °C)0.94–0.96 g/cm³
Flash Point (PMCC)≥ 105 °C
pH (10% aqueous solution)6.0–7.5


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