MR. JO JR 3018: Aromatic Reactive Diluent Modified Epoxy Resin for Chemical-Resistant Systems
MR. JO JR 3018: Aromatic Reactive Diluent Modified Epoxy Resin for Chemical-Resistant Systems
Introduction
In demanding industries like chemical processing, infrastructure, and flooring, epoxy resins must offer flowability for application and durability for long-term performance. Standard bisphenol-A resins often need external diluents to achieve workable viscosity, but these can reduce mechanical or chemical resistance.
JR 3018 addresses this challenge with a built-in mono-functional aromatic reactive diluent, delivering both processability and superior cured performance. With an EEW of 185–195 g/eq and viscosity of 850–1000 mPa·s at 25 °C, JR 3018 strikes an excellent balance between JR 3017 (more fluid) and higher-viscosity unmodified grades. It is comparable to Aditya Birla YD508, making it a strong, locally supported alternative.
Technical Profile
- Resin Type: BPA epoxy resin modified with mono-functional aromatic reactive diluent
- EEW (g/eq): 185–195
- Viscosity @ 25 °C: 850–1000 mPa·s — mid-range for strong flow and filler-wetting
- Color (Gardner): ≤ 1 — light color, suitable for coatings and pigmented systems
- Density @ 25 °C: 1.05–1.15 g/cc
Key Advantages
- Superior Chemical Resistance
Thanks to aromatic diluent modification, JR 3018 cures into networks with higher crosslink density and resistance to solvents, fuels, and chemicals compared to aliphatic-modified systems. - Formulation Versatility
Its viscosity profile makes it ideal for coatings, grouts, and mortars, ensuring proper wetting of fillers and smooth application. - High Solids Compatibility
Supports formulation of low-VOC, high-solid coatings, meeting environmental and performance demands. - Trusted Equivalency
Works as a functional replacement for YD508, but with the advantage of consistent domestic supply and application support.
Applications
- Chemical-Resistant Coatings
Designed for tanks, floors, and structural steel where resistance to harsh chemicals is required. - High-Solid Coatings
Enables reduced solvent content while maintaining flow and film integrity. - Grouts & Mortars
Provides excellent filler wetting and strength for civil engineering, repair, and construction applications. - Industrial Protection
Suitable for coatings in aggressive environments like refineries, process plants, and water-treatment facilities.
Processing & Formulation Notes
- Pair with cycloaliphatic amines, polyamides, or modified amines to balance pot life and chemical resistance.
- For chemical-resistant coatings, use pigments and fillers like mica, talc, or barrier pigments to enhance impermeability.
- For mortar and grout systems, blend with graded silica/quartz to maximize strength and durability.
- Lower reliance on external reactive diluents keeps properties consistent and reduces formulation risks.
Conclusion
JR 3018 is the go-to epoxy resin for formulators seeking chemical resistance, high solids compatibility, and smooth application flow. With properties comparable to YD508, it enables durable and high-performance coatings, grouts, and mortars while ensuring reliable local availability.
It is the resin of choice for industries where chemical protection meets practical application needs.
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