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Using the right adhesive for the right situation … Why are there so many kinds of adhesive? Why should you care?
Bonding two components might be possible with nothing but a dab of epoxy but a less expensive, more effective, or faster curing solution might occur with a cyanoacrylate (instant adhesive) or one of the many other adhesive chemistries available in the marketplace.
Choosing the right adhesive the first time will save time and money.
After reading the following summary descriptions of some adhesive chemistries your knowledge will have increased and selecting the right adhesive will be easier. Of course, before using any chemical product, always read the Material Safety Data Sheet and Technical Data Sheet for safe handling.
Anaerobics
Anaerobic adhesives cure when in contact with metal but without any contact with air. Examples of applications are thread lockers used to lock bolts into nuts, retaining compounds, form in place gasket materials, and pipe sealants.
Cyanoacrylates
Cyanoacrylate adhesives cure by reacting with trace amounts of moisture on the surfaces that will be bonded. A cyanoacrylate adhesive is the best choice for rubber and most plastics, and is commonly referred to as instant adhesive or super glue.
Toughened Acrylics
Toughened Acrylics are structural adhesives for high strength applications, such as aluminium panels on a truck body, or portable housing structures. They come in one and two part systems and work well on a wide variety of surfaces. These adhesives are quite versatile, working with minimal surface preparation, and are flexible when cured.
Epoxies
Epoxy adhesives work on a wide variety of materials and form strong, durable bonds. They are available in one and two part systems and can be purchased with a mixing tip that eliminates manual stirring of components.
Polyurethanes
Polyurethane formulations cover an extremely wide range of stiffness, hardness, and densities. These materials include: flexible foam used in upholstery and bedding, low density rigid foam used for thermal insulation, soft solid elastomers used for gel pads and print rollers, and hard solid plastics used as electronic instrument bezels and structural parts.
Silicones
Silicone adhesive products aren’t incredibly strong, but are quite flexible and resistant to high temperatures. Two-part silicone products tend to work more effectively than the one part products. These are a popular choice for shower and bathtub repairs.
Phenolic
Phenolic adhesives require heat and pressure for the curing process, but have been proven to be excellent in bonding metals, or bonding metals to wood. Select these with the assistance of a chemical engineering professional.
Polyimides
Polyimides are based on synthetic organic chains. These are available in liquid and film form, but tend to be more expensive and tricky to handle efficiently. One example of their use is in the electronics industry for flexible cables a wide variety of components. They are available in solid forms, with different melting points and are applied with a heat gun.
About the Author
Permabond is a leading manufacturer of engineering adhesives, supplying high-quality industrial adhesives to customers worldwide. Permabond has offices in The Americas, Europe and Asia and a worldwide network of distributors to assist you with your specific bonding and sealing requirements. To learn more, please visit Adhesives.
Epoxy Adhesives
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Mini Maps Self-Adhesive Epoxy Embellishments 4.5X8 Sheet – Illinois $6.00 IllinoisREMINISCE-Mini Maps Self-Adhesive Epoxy Embellishments. Mini maps highlight every state; Washington D.C. and the most traveled countries with cool self adhesive; epoxy embellishments that include a state welcome sign; map; postcard; license plate and state or country flag. A great way to remember your road trips and personalize your travels all across the world. Each sheet contains ten epo… |
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Mini Maps Self-Adhesive Epoxy Embellishments 4.5X8 Sheet – West Virginia $6.00 West VirginiaREMINISCE-Mini Maps Self-Adhesive Epoxy Embellishments. Mini maps highlight every state; Washington D.C. and the most traveled countries with cool self adhesive; epoxy embellishments that include a state welcome sign; map; postcard; license plate and state or country flag. A great way to remember your road trips and personalize your travels all across the world. Each sheet contains te… |
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Mini Maps Self-Adhesive Epoxy Embellishments 4.5X8 Sheet – Georgia GeorgiaREMINISCE-Mini Maps Self-Adhesive Epoxy Embellishments. Mini maps highlight every state; Washington D.C. and the most traveled countries with cool self adhesive; epoxy embellishments that include a state welcome sign; map; postcard; license plate and state or country flag. A great way to remember your road trips and personalize your travels all across the world. Each sheet contains ten epox… |
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Mr. Adhesive Vs. Dr. Epoxy … |
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Mr. Adhesive Vs. Dr. Epoxy (Extended Edition) $8.99 … |
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You Can Glue It! – How to Repair Broken Ceramics, China, Porcelain, and Pottery [VHS] $9.98 You Can Glue It! demonstrates simple techniques to successfully restore broken china, ceramics, porcelain or pottery using common household products. The video shows how to select the best glue for your project, position pieces correctly for gluing, unglue old poorly glued pieces, remove stains, fill cracks, make a missing piece, and paint to camouflage cracks…. |
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Gorilla Glue 4200101 Epoxy 25 ml Syringe $2.79 * Impact-Tough Formula – hybrid technology improves overall adhesion strength and flexibility. *Gap Filling – fills voids and bonds uneven and vertical surfaces. *5-Minute Set – plenty of repositioning time for the perfect fit. *Water Resistant – withstands moderate exposure to water. *Easy-to-Use Reusable Syringe – separate barrels of resin and hardener keep epoxy from hardening, plus syringe… |
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Gorilla Glue 50004 Adhesive, 4-Ounces $5.79 Gorilla Glue is the finest all purpose premium polyurethane wood glue available today. Gorilla Glue is environmentally friendly, incredibly strong, 100 waterproof, will not freeze, requires no mixing, does not become brittle with age and will not expand or contract in the glue joint. You can even glue up oily exotics without the kind of surface preparation required by other glues. You only need to… |
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Gorilla Glue 7805001 Super Glue Bottle, 15 Gram $3.34 The only super glue tough enough to be called Gorilla. This new super glue has Impact-Tough Formula, which makes a bond that’s impact-resistant. It sets in under a minute, with no clamping required. Projects dry fast and last long, standing up to drops, bumps and bangs…. |
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Cushion Grip Thermoplastic Denture Adhesive – 1 oz $4.37 Holds dentures firmly in place; less slipping Single application lasts up to 4 days Won’t wash off in water Safe for all plastic and porcelain plates Please read all label information on delivery… |