Technical datasheet

EPOSIL™ Resin 5550

Supplied byWestlake Epoxy- Last Updated on Apr 28, 2026

EPOSIL™ Resin 5550 by Westlake Epoxy is a siloxane-modified hybrid epoxy resin for protective topcoats. It can be cross-linked using amine and amino silane curing agents. It provides excellent chemical resistance, low viscosity, outstanding gloss, long pot life and low yellowing properties.
  • It enables the development of isocyanate-free, high-performance topcoats while reducing overall cost of ownership through enhanced durability and a reduced number of coating layers.
  • EPOSIL™ Resin 5550 is recommended for industrial and concrete flooring topcoats, graffiti-resistance and dry-erase coatings and transportation-, marine-, machinery- and equipment coatings.
  • The shelf life of this product is 2 years.
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EPOSIL™ Resin 5550 properties

Other properties

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