Technical datasheet

EPOCROS™ WS-700

Supplied byNippon Shokubai- Last Updated on Oct 10, 2025

EPOCROS™ WS-700 by Nippon Shokubai is a VOC-free adhesion promoter and crosslinking agent. It is a standard acrylic-based oxazoline functionalized reactive copolymer. The new crosslinking technology enhances the reactivity between oxazoline groups and carboxy groups through a heating and mixing process involving EPOCROS™ WS and a carboxy group-containing emulsion with a specific neutralization rate. It offers lower curing temperature, excellent storage stability, no peeling and long pot life for one packaging.
  • It offers enhanced resistance to water, solvents and heat as well as superior film strength.
  • It has higher reactivity than water-based epoxy, melamine and blocked isocyanate.
  • It offers fast-drying, low-toxicity and high crosslinking density with a small amount added.
  • EPOCROS™ WS-700 is suitable for polyethylene terephthalate (PET), oriented polypropylene (OPP) and polyvinyl chloride (PVC) applications.
  • It is registered with CSCA (Japan), TSCA (USA), REACH EU and IECSC (China) regulations.
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EPOCROS™ WS-700 properties

Other properties

PropertiesValue & unitTest conditionTest method
Glass Transition Temperature (Tg)0.0 Visible After LoginVisible After LoginVisible After Login
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Weight per Oxazoline (WPO) Equivalent0.0 Visible After LoginVisible After LoginVisible After Login
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