Category overview

Reactive Diluents

Based on 119 products - Last update on the Jun 26, 2025

Reactive diluents appear as colorless or pale liquids. Their key features include improved flow properties, faster curing times, and enhanced film hardness. They are commonly used in automotive, industrial, and protective coatings.

Reactive diluents are evolving to include low-VOC and bio-based options. They are available in both solvent-based and water-based formulations. These diluents are increasingly tailored to meet global regulatory requirements for VOC emissions and safety standards.

Applications

Architectural / Decorativ...14 products

Marine / Anti-Corrosive /...11 products

Can Coatings10 products

Claims / benefits

Bio-based5 products

Solvent-free4 products

VOC / SVOC-free3 products

Properties

Others properties	Value & unit	Test condition	test method
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IBOA

by allnex

Isobornyl acrylate (IBOA) by allnex is a low viscosity, monofunctional, UV/ EB energy curable reactive diluent. It polymerizes when exposed to sources of free radicals. Its bicyclic structure gives rise to polymers of increased glass transition temperature, while its monofunctionality minimizes crosslinking. Provides good hardness and resiliency combined with flexibility and impact resistance. It is characterized by a wide range of compatibility with oligomers and low color. Offers thermal resistance, low shrinkage and improved water resistance. It maintains high elongation in urethane acrylates. IBOA is used in screen inks and coating applications.

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HDDA (allnex)

by allnex

HDDA by allnex is a difunctional reactive diluent that is commonly used as a component of ultraviolet light (UV) and electron beam (EB) curable applications. It is characterized by very low viscosity, low color and efficient reduction of oligomer viscosity. <br> <ul style="padding-left: 40px;"><li>It offers good cure response at low cross-link density.</li><li> It is particularly useful in exterior durable coatings & inks where improved elasticity, weathering and adhesion are desired in combination with excellent water resistance.</li><li> HDDA offers improved adhesion to plastics, metal and glass.</li></ul>

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OTA-480

by allnex

OTA-480 by allnex is a low viscosity reactive diluent based on a trifunctional oligoacrylate. It exhibits light color, low irritancy and good flexibility. Its high functionality contributes to good reactivity and hardness.<br> <ul style="padding-left: 40px;"><li>It offers high cross-link density, excellent reduction of oligomer viscosity and fast cure response.</li> <li>It produces a tough finish on a variety of substrates including plastics, paper, or other coated or printed substrates.</li> <li>OTA-480 is designed for lithographic ink binders, UV/ electron beam (EB) cured inks, varnishes and coating systems.</li> <li>It has a shelf life of 2 years.</li></ul>