Close up of epoxy-coated water tower

Epoxol® EP159

Plasticizer / Coalescing Agent

EPOXOL® EP159 is a bio-based plasticizer and ultra-low VOC coalescent. It exhibits good compatibility with a variety of chemistries, has non-fugitive properties and ultra-low VOCs. EPOXOL® EP159 is an excellent, non-hazardous alternative to phthalate, benzoate and citrate-ester plasticizer applications including paints and coatings, caulks, sealants and adhesives. It shows good stability and block resistance/dirt pick-up. EPOXOL® EP159 has a high bio-based content and is an excellent choice for renewable formulations and low VOC systems.

*This product is currently under development. Contact ACS Technical Products for additional information.

Functions & Benefits

EPOXOL® EP159 is a bio-based coalescing agent and plasticizer. It is benzyl-modified and exhibits excellent compatibility to a variety of chemistries. Its good solvency, structure and hydrophobicity makes it an excellent option as an ultra-low VOC coalescent in paints and coatings and plasticizer in caulks, sealants and related chemistries.

  • Non-Fugitive Coalescent/Plasticizer
  • Benzyl Modification
  • May Improve Block and Dirt Pick-Up Resistance Properties vs. Traditional Non-Fugitive Coalescing Agents
  • Excellent Water Resistance
  • Low HLB
  • High Bio-Based Content

Markets & Applications


  • Zero VOC Coalescing Agent for Water-Based Coatings
  • Bio-Based Plasticizer Option for Phthalates and Benzoates
  • Environmentally-Friendly, Non-Hazardous Plasticizer for Caulks and Sealants
  • Roof Coatings and Membranes
  • Flooring Products
  • Plasticizer for Nitrocellulose, CAB and Acrylic Coatings
  • Pigment Dispersion Vehicles
  • Concrete Coatings
  • Plasticizer for Polyaspartic, Urethane, Polyester, Acrylic and Epoxy Products
  • Polymer and Emulsion Modifier
  • Moisture Vapor Barrier Coatings
  • Architectural Paints
  • Protective and Marine Coatings
  • Water Based Adhesives

Technical Data Sheets

Packaging Options

Since EPOXOL® EP159 is currently under development, contact ACS Technical Products for availability and packaging information.