Bonding

High-Performance Bonding Adhesives & Epoxy Solutions

Hernon Manufacturing delivers industry-leading bonding adhesives and bonding epoxy solutions designed for strength, durability, and versatility. Whether for industrial, aerospace, automotive, or specialized applications, our Tuffbond adhesives provide exceptional performance across various materials.

Our adhesives will bond to a wide range of substrates, including metals, plastics, composites, ceramics, and more. Engineered for precision and reliability, Hernon’s adhesives ensure secure, long-lasting bonds even in extreme conditions.

Why Choose Hernon Tuffbond Bonding Adhesives?

Versatile Applications – Suitable for industrial, aerospace, and automotive use.
Superior Strength – High-performance bonding for structural integrity.
Multi-Substrate Compatibility – Bonds metals, plastics, ceramics, and composites.
Advanced Bonding Epoxy – Strong, durable, and resistant to harsh environments.

Hernon provides cutting-edge solutions for superior adhesion and performance – explore our bonding adhesives today!

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Cylinlock® 821

UV Curable Cylinlock® 821 is a fast curing, high strength anaerobic adhesive designed to retain and seal cylindrical assemblies. Curing occurs when adhesive is confined between mating surfaces. The cured adhesive is a thermoset plastic suitable for exposure to most solvents and withstands temperatures up to 300°F (149°C). Augments or replaces press fits, set screws, pins and other mechanical retaining methods. Avoids heavy press fits due to rapid cure. Cylinlock® 821 cures quickly at room temperature without the need for surface activators or heat to join cylindrical assemblies. Fixturing strength develops in five minutes, or within 15 seconds by exposing the edge fillets to high intensity long wavelength UV light (365 nm). Full strength will be reached in 24 hours.

Metal Cement 850

Metal Cement 850 is a single component, silver color gel, that is designed for quick repairing of worn machinery parts. Once confined between parts, it develops a high strength bond with excellent chemical and temperature resistance. The bonded assembly often doubles the strength of press fitted parts. Use Metal Cement 850 in the new assembly to fill the gaps between parts to prevent wear, corrosion and backlash.

React® 761

ReAct® 761 is a tough acrylic adhesive designed primarily for bonding permanent magnets. ReAct® 761 has also found wide acceptance in a variety of structural bonding applications due to its versatile performance capabilities. ReAct® 761 provides high tensile strength while maintaining excellent product flexibility. This results in tough durable bonds with outstanding impact and peel resistance. ReAct® 761 is a single component adhesive used in combination with Hernon® Activator 59, Activator 56 or Activator 63 for curing at room temperature. The adhesive may also be heat cured at 150°C.

React® 766

ReAct® 766 is a tough acrylic adhesive designed primarily for bonding permanent magnets. ReAct® 766 has also found wide acceptance in a variety of structural bonding applications due to its versatile performance capabilities. ReAct® 766 provides high tensile strength while maintaining excellent product flexibility. This results in tough durable bonds with outstanding impact and pee1 resistance. Temperature resistance from –40°C (-40°F) to 204°C (400°F). ReAct® 766 is a single component adhesive used in combination with Hernon® Activator 59 or Activator 63 for curing at room temperature. The adhesive may also be heat cured at 150°C.

Tuffbond® 318

Tuffbond® 318 is a modified epoxy adhesive that provides a fast room temperature cure. Tuffbond® 318 exhibits very good moisture chemical and heat resistance. This fast cure epoxy adhesive is specially formulated for rapid in-line assembly of loud speakers. Tuffbond® 318 is also recommended for bonding metals, wood, ceramics, etc., and can be used for potting and encapsulation of electrical and electronic components.

Grenade Igniter Case Sealant 47422

Grenade Igniter Case Sealant 47422 is a single component UV and anaerobic curing adhesive. Grenade Igniter Case Sealant 47422 is a low viscosity penetrating material that works by capillary action between mating surfaces. The cured adhesive is a high performance thermoset plastic suitable for temperatures up to 400°F (204°C). Grenade Igniter Case Sealant 47422 cures quickly at room temperature without the need for surface activators or heat to join assemblies. Fixturing strength develops in five minutes, or within 10 seconds by exposing the edge fillets to high intensity long wavelength UV light (365 nm). Full strength will be reached in 24 hours. Cure fillets at UV light irradiances above 60 milliwatts/cm² to insure proper cure.

Ultrabond® 3443

Ultrabond® 3443 is a single component, tri-cure conformal coating formulated for bonding glass to glass or glass to metals. Ultrabond® 3443 is excellent for bonding and tacking many parts. Ultrabond® 3443 can also be cured with heat above 200°F (93°C) or Activator 56 or 59. Exposure to a high intensity UV light will cure these adhesives to a dry, hard surface.

Brake Bonder 362BB

Brake Bonder 362 is a black heat curing, nitrile/phenolic solvent-based adhesive. Cured Brake Bonder 362 furnishes excellent resistance to thermal shock, chemicals, and water. The cured bond withstands temperatures exceeding 600°F (315°C). The primary application for Brake Bonder 362 is bonding brake, clutch, and other friction materials to metal.

Fusionbond® 370

Fusionbond® 370 is a two components methacrylate adhesive. It is specially formulated for structural bonding of thermoplastics, metal, wood and composite assemblies. Fusionbond® 370 is an excellent choice for composite bonding applications in the marine, automotive and construction industries because it requires virtually no surface preparation. Fusionbond® 370 provides superior toughness at temperatures from -67 to 250°F.

Quantum® 150 UV is a single component, solventless, room temperature curing cyanoacrylate adhesive with light curing property. The presence of surface moisture and/or light (UV or Visible light) commence the cure of the adhesive. Quantum® 150 UV develops handling strength within seconds and full functional strength within minutes. Quantum 150 UV can bond a wide variety of surfaces including thermoplastics, elastomers. Product Benefits: • Rapid Cure: forms a strong bond by moisture curing at room temperature in less than a minute with contact pressure. • Light curing property: can be easily cured by irradiation with light. Blushing can be also prevented by UV curing. • Surfaces: will bond almost any combination of similar or dissimilar materials. • Easy Use: single component feature, eliminates any mixing. • Due to low viscosity, it can penetrate gaps between surfaces.

Ultrabond® 787

Ultrabond® 787 is a one component, thixotropic adhesive, which cures when exposed to ultraviolet radiation and/or visible light of sufficient intensity. Ultrabond® 787 is primarily used for bonding rigid and flexible PVC to polycarbonate where large gap filling capabilities and a flexible joint are desired. Its flexibility enhances the load bearing and shock absorbing characteristics of the bond area. It has also shown excellent adhesion to a wide variety of substrates including glass, many plastics and most metals.

HASA 66071

HASA 66071 is a single component structural anaerobic adhesive formulated for bonding rigid assemblies at high temperatures. HASA 66071 cures when it is confined between mating surfaces. Hernon® Primer 50 accelerates the cure.

Fusionbond® 371

Fusionbond® 371 is a two components methacrylate adhesive. It is specially formulated for structural bonding of thermoplastics, metal, wood and composite assemblies. Fusionbond® 371 is an excellent choice for composite bonding applications in the marine, automotive and construction industries because it requires virtually no surface preparation. Fusionbond® 371 provides toughness at temperatures from -67 to 250°F.

Tuffbond® 302

Tuffbond® 302 is a modified epoxy adhesive that provides a very fast room temperature cure. Tuffbond® 302 exhibits very good moisture chemical and heat resistance. This very fast cure epoxy adhesive is specially formulated for rapid in-line assembly of loud speakers. Tuffbond® 302 is also recommended for bonding metals, wood, ceramics, etc., and can be used for potting and encapsulation of electrical and electronic components.

Instantbond® 110

Instantbond® 110 is a state-of-the-art, single component, solventless, room temperature curing cyanoacrylate adhesive that polymerizes rapidly when pressed into a thin film between parts. The presence of surface moisture commences the cure of the adhesive. Instantbond® 110 develops handling strength within seconds and full functional strength in a few hours. Instantbond® 110 can bond a wide variety of surfaces including thermoplastics, elastomers, ceramics, leather, cork, and paper, but is particularly suited for bonding metal substrates. Notwithstanding the superior bonding capability of Instantbond® 110, it is NOT recommended for long-term glass to glass bonding applications.

Instantbond® 112

Instantbond® 112 is a low viscosity, state-of-the-art, single component, solventless, room temperature curing cyanoacrylate adhesive that polymerizes rapidly when pressed into a thin film between parts. The presence of surface moisture commences the cure of the adhesive. Instantbond® 112 develops handling strength within seconds and full functional strength in a few hours. Instantbond® 112 can bond a wide variety of surfaces including thermoplastics, elastomers, ceramics, leather, cork, and paper, but is particularly suited for bonding metal substrates. Notwithstanding the superior bonding capability of Instantbond® 112, it is NOT recommended for long-term glass to glass bonding applications.

Instantbond® 120

Instantbond® 120 is a single-component cyanoacrylate adhesive suitable for applications where heat resistance is required. Instantbond® 120 resists thermal cycling and also exhibits superior resistance to humidity. Instantbond® 120 meets the requirements of CID A-A-3097 Type II, Class 3 and MIL-A-46050C TY II, CL 3.

Instantbond® 119

Instantbond® 119 is a low viscosity, state-of-the-art, single component, solventless, room temperature curing cyanoacrylate adhesive that polymerizes rapidly when pressed into a thin film between parts. The presence of surface moisture commences the cure of the adhesive. Instantbond® 119 develops handling strength within seconds and full functional strength in a few hours. Instantbond® 119 can bond a wide variety of surfaces including metals, thermoplastics, elastomers, ceramics, leather, cork, and paper, but is particularly suited for bonding hard to bond plastics. Notwithstanding the superior bonding capability of Instantbond® 119, it is NOT recommended for long-term glass to glass bonding applications.

Instantbond® 117

Instantbond® 117 is a high viscosity, state-of-the-art, single component, solventless, room temperature curing cyanoacrylate adhesive that polymerizes rapidly when pressed into a thin film between parts. The presence of surface moisture commences the cure of the adhesive. Instantbond® 117 develops handling strength within seconds and full functional strength in a few hours. Instantbond® 117 can bond a wide variety of surfaces including metals, thermoplastics, elastomers, ceramics, leather, cork, and paper, but is particularly suited for wire tacking applications. Notwithstanding the superior bonding capability of Instantbond® 117, it is NOT recommended for long-term glass to glass bonding applications.

Instantbond® 113

Instantbond® 113 is a state-of-the-art, single component, solventless, room temperature curing cyanoacrylate adhesive that polymerizes rapidly when pressed into a thin film between parts. The presence of surface moisture commences the cure of the adhesive. Instantbond® 113 develops handling strength within seconds and full functional strength in a few hours. Instantbond? 113 can bond a wide variety of surfaces including metals, thermoplastics, elastomers, ceramics, leather, cork, and paper, but is particularly suited for bonding hard-to-bond plastics. Notwithstanding the superior bonding capability of Instantbond? 113, it is NOT recommended for long-term glass to glass bonding applications.

Supertacker® 67662

Supertacker® 67662 is a single component, high performance elastomeric adhesive that exhibits exceptional bonding characteristics to a broad range of materials including metals, glass, plastic composites, rubber, leather, wood and vinyl. Supertacker® 67662 provides a tough, waterproof bond that won’t crack or become brittle.

HASA 718

HASA 718 is a single component structural anaerobic adhesive formulated for bonding rigid assemblies. HASA 718 cures when it is confined between mating surfaces. Hernon? Activator 56 accelerates the cure.

Tuffbond® 304

Tuffbond® 304 is a modified epoxy adhesive that provides a very fast room temperature cure. Tuffbond® 304 exhibits very good moisture chemical and heat resistance. This very fast cure epoxy adhesive is specially formulated for rapid in-line assembly of loudy speakers. Tuffbond® 304 is also recommended for bonding metals, wood, ceramics, etc., and can be used for potting and encapsulation of electrical and electronic components.

Tuffbond® 317

Tuffbond® 317 is a two component, room temperature cure system. By changing the ratio of resin and hardener, the cured adhesive can change from a tough and flexible to a hard and rigid system. The resin offers a unique combination of hardness and flexibility with high chemical and solvent resistance. Tuffbond® 317 is recommended for bonding metal, glass, wood, concrete, and rubber, and can be used for potting and encapsulation of electrical and electronic components.

Fusionbond® 374

Hernon® has taken the excellent bond strength of Fusionbond adhesive family and merged it with the simplicity of a two-component, no-mix curing system to create Fusionbond® 374. Fusionbond® 374 is a 100% solid, room temperature cure, versatile structural adhesive which is used in conjunction with Hernon® Activator 56, 15 or 16. This formulation will offer rapid, high strength and high impact resistant bonds to a variety of substrates within minutes. Designed for a wide variety of substrates, Fusionbond® 374 offers excellent temperature and chemical resistance. The two-component, no-mix system allows controlled assembly ideal for production and repair applications. A structural bond develops within minutes.

Tuffbond® 310

Tuffbond® 310 adhesive/sealant is a two-component epoxy, 100% solid system, two to one ratio, room temperature cure system. Tuffbond® 310 is recommended for bonding metals, wood, and ceramics.

Tuffbond® 394

Tuffbond® 394 is a single component, high temperature resistant, heat activated epoxy. It cures to a high-performance thermoset system with excellent adhesion properties to a wide variety of substrates. Tuffbond® 394 will change from amber-yellow to a reddish brown upon cure. Bonding the voice coil to the cone has been a challenge for engineers, specifically when the adhesive temperature resistance requirement is above 200°F (93°C). Two component epoxy was commonly used for this application, but limitations such as mixing ratio, cure speed, potential solidification in equipment and the need for equipment flushing solvents have made Tuffbond® 394 more practical.

Tufbond 395

Tuffbond® 395 is a single component, high temperature resistant, heat activated epoxy. It cures to a high-performance thermoset system with excellent adhesion properties to a wide variety of substrates. Tuffbond® 395 will change from amber to a reddish brown upon cure. Bonding the voice coil to the cone has been a challenge for engineers, specifically when the adhesive temperature resistance requirement is above 200°F (93°C). Two component epoxy systems have been most commonly used for this application, but limitations such as mixing ratio, cure speed, potential solidification in equipment and static mixers and the need for equipment flushing solvents have made Tuffbond® 395 more practical.

Tuffbond® 313

Tuffbond® 313 adhesive/sealant is a two component, 100% solid system, one to one ratio, room temperature cure system. Tuffbond® 313 is recommended for bonding metals, wood, ceramics, etc., and can be used for potting and encapsulation of electrical and electronic components.

TUFFBOND 397

Hernon® Tuffbond® 397 is a single component, high temperature resistant, heat activated epoxy. It cures to a high-performance thermoset system with excellent adhesion properties to a wide variety of substrates. Tuffbond® 397 will change from amber-yellow to a reddish brown upon cure. Product Benefits • High temperature resistance. • Single component (no mixing, no pot life). • Contains 150micron spacer beads for bond line control • Solventless. • Cures on demand (heat cure). • Will not slip during cure. • Changes color upon cure (yellow to brown). • Excellent adhesion to various substrates. • Gives high shear. • Low water absorption.

Bonding

High-Performance Bonding Adhesives & Epoxy Solutions

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