UviCure S128 by Lambson (Sartomer) is a low viscosity 7-oxabicyclo[4.1.0]hept-3-ylmethyl 7-oxabicyclo[4.1.0]heptane-3-carboxylate (standard cycloaliphatic epoxy base resin). Acts as a cationic photoinitiator. It is a more flexible cycloaliphatic epoxy resin. Exhibits low shrinkage, excellent adhesion, no oxygen inhibition and good combination of flexibility and hardness. When cured with cationic photoinitiators such as Speedcure 992 or Speedcure 976, it yields clear, glossy coatings. Properties of the cured resin can be modified by the use of other additives and diluents such as UviCure S105 and UviCure S130 to improve hardness and scratch resistance. UviCure S128 is suitable for metal decoration coatings, overprint varnishes, white base coats, flexographic inks, screen inks, inkjet inks and electrical coatings.
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UviCure S128 properties
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