United Resin has an extensive selection of epoxy resin systems for the electronics industry, several of which are UL approved (flame retardant). We have both filled and unfilled systems in a range of viscosities.
Our products are used for potting, encapsulating, and casting a wide range of electronic assembly components, including coils, transformers, circuit boards, magnetic components, marine sonar, noise interference filters and surge protectors.
Specialty systems include:
- Optik-Bond
- COB and SMT materials used for applications on circuit boards
- Fiber optics
- Filled and unfilled systems
- Light emitting diodes
- One-component and two-component epoxy resin systems that withstand vibration and shock
- Filled and unfilled systems that bond well to PTFE, nylon, acetal, ceramics, Delrin, PEEK, stainless steel and many other hard to bond to substrates
- Quick set epoxy systems that set in as fast as 45 seconds and systems where curing time can be accelerated with heat
- High temperature epoxy systems
- High strength systems
- Adaptable systems, including mix ratio options and viscosities ranging from liquid to paste
- Chemically resistant epoxy systems
We can address your aesthetic considerations with surface finishes in gloss or matte. All our materials are non-hazardous, REACH/RoHS compliant, and contain no solvents.
THE RESINS LISTED BELOW ARE COMBINED WITH THE MOST POPULAR HARDENERS. WE HAVE MANY OTHER HARDENERS, ALLOWING FOR INDIVIDUAL PRODUCT DESIGN.
PLEASE CONTACT US WITH YOUR SPECIFIC NEEDS – WE LOOK FORWARD TO ASSISTING YOU!
1.800.521.4757 | info@unitedresin.com
EL-CAST Electronic Resin
EL-CAST is a filled, medium viscosity, general purpose potting and encapsulating resin. Excellent bonding properties, good air release and high gloss finish. Underwriter Laboratory (UL) approved 94 HB. Ideal for transformers, circuit boards, magnetic components, noise filters, and other applications.
EL-CAST 760 Electronic Resin
EL-CAST 760 is a filled, medium viscosity, high temperature potting and encapsulating resin. Excellent impact resistance, thermal shock resistance, thermal conductivity and high deflection temperature. Ideal for control units, transformers, noise filters, and other applications.
EL-CAST SS Electronic Resin
EL-CAST SS is a highly filled, general purpose potting resin, with high thermal conductivity and high strength. Ideal for all applications requiring a tough protective system with high mechanical and physical properties.
EL-CAST VFR PLUS Electronic Resin
EL-CAST VFR PLUS is our newest innovation where fire safety is a priority. It is a filled, low viscosity, high temperature potting and encapsulating resin, with superior flame resistance, achieves 0 second AfterFlame with certain hardeners, has no flame drip and is easier to mix. Underwriter Laboratory (UL) approved at 94 V-O. Resin has excellent bonding properties, high gloss finish with minimal shrinkage and with 117 hardener is a soft 94 V-O material. Ideal for transformers, alarm systems, filters, magnetic components and surge protectors.
El-Cast VFR Plus Sustain-X with 117 Hardener
El-Cast VFR Plus Sustain-X with 117 hardener is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. It is a softer, flexible, high temperature epoxy system. This system’s low viscosity and excellent air release allows it to cure to a high gloss finish. This material has great flame-retardant properties. Available in black. Note: If UL rating is required, see United Resin El-Cast VFR Plus.
Applications: Potting and encapsulation of electronic components, such as delay lines, pulse transformers, alarm systems, filters, and magnetic components. Potting and encapsulation of parts.
EL-CAST FR Electronic Resin
EL-CAST FR with 440 hardener is a filled, two-component, low-cost, epoxy system with excellent bonding qualities to metals, plastics and ceramics. This system is UL approved at 94 V-O. Its good air release and low viscosity allows the cured resin to have a high gloss finish. Ideal for pulse transformers, magnetic components, noise interference filters, marine sonar devices, and many other potting, casting or encapsulating applications.
EL-CAST 1-F-5 TAB & TAB-SR Electronic Resins
EL-CAST 1-F-5 TAB & TAB-SR are filled, medium viscosity resins that can be used as a one or two component system with excellent thermal conductivity and high temperature resistance. Exhibits good chemical resistance and excellent adhesion at high temperature with a room temperature or a heat cure. Ideal for transformers, filters, coils and all applications where heat cure is possible.
Conductive Epoxy Electronic Resin
Conductive Epoxy is a high strength, heat resistant, silver filled system, which can be cured at ambient or elevated temperatures.
E-CAST W.G. Electronic Resin
E-CAST W.G. is an unfilled, low viscosity, clear potting compound. Excellent adhesion and low viscosity allows for the most intricate applications. Ideal for circuit boards, power supplies, and other applications.
E-CAST F-82 Electronic Resin
E-CAST F-82 is an unfilled, low viscosity resin with high strength adhesion, good air release. Ideal for the most intricate applications, circuit boards, and other applications.
E-Cast F-82 Sustain-X with 110 Hardener
E-Cast F-82 Sustain-X with 110 hardener is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. It is a low viscosity two-part system that has a rigid cure with excellent adhesion and chemical resistance. It also has excellent thermal shock and good impact resistance. Available in amber, white, or black.
Applications: Dipping or coating of circuit boards, and potting, casting and encapsulating.
E-Cast F-82 Sustain-X with 275 Hardener
E-Cast F-82 Sustain-X with 275 hardener is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. It is a low viscosity unfilled two- component epoxy that features safe handling properties. Its good thermal cycling abilities, longer work time, impact and heat resistance make this product very versatile. Large potting will cure overnight without heat cure. Available in amber, black or white.
Applications: Encapsulation of electronic components, such as Industrial control units, transformers, and all potting applications needing improved thermal shock and thermal conductivity. It also may be used in many adhesive applications.
E-Cast F-82 Sustain-X with 302 Hardener
E-Cast F-82 Sustain-X with 302 hardener is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. It is a low viscosity, resilient casting resin. Due to its low viscosity and long pot life, de-airing is not a problem; however, vacuum de-airing will ensure the best results. Longer cure times or slight heat (not to exceed 150 F) is needed for thin films. Post-curing at higher temperatures will increase all properties. Available in amber, white, black or custom colors if required.
Applications: Encapsulation of electronic components or embedded displays in electronics, including light emitting diodes (LEDs), and virtually any application where internal viewing is necessary.
E-Cast F-82 Sustain-X with TP-41F Hardener
E-Cast F-82 Sustain-X is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. Paired with TP-41F hardener, it offers a rigid cure, excellent adhesion, and strong chemical resistance. Its low viscosity enhances air release and flowability, making it a sustainable yet high-performance solution for industrial applications. Available in amber, white, black or custom colors if required.
Applications: All potting and encapsulation applications, cement wall repair. It also may be used in many adhesive applications.
Uni-Lam 1069 Electronic Resin
Uni-Lam 1069 is a filled, medium viscosity, general purpose potting compound. Excellent bonding to metals, plastic and ceramics with high gloss finish. Ideal for all potting applications.
Uni-Lam 1069 Sustain-X with 4123 Hardener
Uni-Lam 1069 Sustain-X is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. Used with 4123 hardener, it is a filled, two-component epoxy system offering low viscosity and good flow characteristics. Its good air release and thermal shock resistance make it a very versatile system.
Applications: Potting, encapsulation of electronic components, and bonding and sealing of substrates.
EL-CAST 1-F-5 TAB VO Electronic Resin
EL-CAST 1-F-5 TAB VO is a filled, high viscosity, high temperature one component system. Underwriter Laboratory (UL) approved at 94 V-O. Exhibits low odor, good air release, high gloss finish, and good thermal conductivity. Also used as an encapsulant for “chip-on-board” applications.
E-CAST Flame Bloc Electronic Resin
E-CAST Flame Bloc is an unfilled epoxy system approved UL 94 V-O. This system offers excellent air release and gloss. It has a rigid cure with excellent adhesion and chemical resistance.
E-CAST F-28 Electronic Resin
E-CAST F-28 is an unfilled, medium viscosity, high strength resin with good release, excellent adhesion, clarity and room temperature rigid cure. Ideal for applications where internal viewing is required.
E-Cast F-28 Sustain-X with 215 Hardener
E-Cast F-28 Sustain-X with 215 hardener is part of United Resin’s new Bio Series, incorporating bio-renewable material without compromising performance or quality. It is a two-component unfilled epoxy with medium viscosity and good flow qualities. With a rigid room temperature cure, it has excellent adhesion to metals, plastics and ceramics. Available in amber, white, black or custom colors if required.
Applications: Encapsulation of electronic components, potting, and conformal coatings. It also may be used in many adhesive applications.
Vibraflex Electronic Resin
Vibraflex is a vibration dampening, flexible epoxy system featuring low exotherm, good thermal shock, low shrinkage, and can be easily cut for repair of components. Specially formulated for adhering board devices and for reducing the impact of shock and vibration on all parts.
E-CAST CCA Electronic Resin
E-CAST CCA is an unfilled, low viscosity resin with superior penetrating properties and high gloss finish.