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At Hotmelt.com, we’re here to help you learn from our years of trials with glass and all the different kinds of hot melt and non-hot melt adhesives you can use to secure it. Here are several different types of adhesives and application methods to help you with a flawless glass installation, whether it’s on the job, in the factory or for an at-home DIY project.

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Hot melt guns are used to apply hot melt glue sticks in situations where a small amount of adhesive needs to be applied precisely. These adhesive applicators focus on cut-offs and eliminating strings and trails, and they are often used in narrow spaces in in woodworking, packaging, bathroom and kitchen installations, and more.

Epoxies can be engineered to resist degradation caused by water, weather, ozone, oxygen, petroleum solvents, lubricating oils, jet fuels, gasoline, alcohol, salt solutions, mild acids and alkalis, and many other organic and inorganic compounds. Some of our favorites are apart of the Infinity Bond line.

But before you just start pointing and squeezing, there are a few measures to take to ensure a strong bond before turning your hot melt glue gun and glue sticks loose on a glass substrate:

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Neutral curing silicones include oxime and alkoxy, which release methyl ethyl ketoxime and alcohol respectively as they cure. Unlike their acetoxy counterparts, this makes them non-corrosive and a great fit in electronic applications.

Super glue itself can create a bond that’s just as fragile as glass. A rubberized or plasticized version, such as our Rubber and Plastic Cyanoacrylate Super Glue, can make for a more flexible and lasting bond. However, it will still work best in tensile situations in which elements resist tension (being pulled apart) instead of compressive situations in which elements resist compression (being pushed together).

Silicone sealant is a liquid form of adhesive that often looks, feels and acts like a gel. It comes in a variety of types including high-temp, electric-grade and multi-purpose. Silicone can be applied using commercial-grade extrusion devices, heavy-duty or crafting glue guns, along with hand-held caulking tools.

An epoxy cure is the result of an exothermic reaction that cross-links polymers. Changing chemicals, temperature and other catalysts can transform the properties of this non-hot melt adhesive to fit nearly every application.  This means an epoxy bond can be used on a variety of substrates, including glass.

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The high stability combined with its ability to resist harsh chemicals and extreme heat makes epoxy an excellent solution in industrial settings, including aerospace and medical equipment.

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Glass is a unique substrate that can prove challenging to bond when it comes to both hot melt and non-hot melt adhesives. When working with glass, you’re not often working with load-bearing seams. Instead, you’re likely completing a project that must hold up to regular environmental changes with a bond that remains invisible and flawless all the while.

Have questions? Our team of hot melt experts can help. Submit your questions and we'll get you answers right away. We're here to help.

Overall, high-impact strength requirements should be avoided when using super glue on glass — making it great in highly visible and delicate applications that won’t be handled or bear weight on a regular basis.

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Acetoxy silicones release acetic acid and cure relatively quickly. Compared to most other silicones, they bond well with a variety of standard substrates. The acetic acid emissions can prove harmful to sensitive electronics and can prove corrosive in some applications, but some are also biocompatible and can be used in the manufacturing of medical devices.

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Since it’s also weather resistant, waterproof and resists mildew growth, it’s very common to use silicone when bonding glass to itself, such as in aquariums or to wood or plastic like in window and bathroom installations. Silicone is truly a great adhesive for glass and a variety of other substrates — as long as you understand what kind of silicone you’re working with.

Because glass doesn’t swell and shrink the way wood does, a flexible adhesive like silicone is a great fit in high-stress bonds, such as those in rigid glass applications. Silicone is a powerful adhesive, but its high flexibility and long curing time compared to many other hot melts make it a better fit for glass, car engines and other tight-but-flexible applications, instead of weight-bearing seals or those that need to be painted over.

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We know how tough it can be to find the best adhesive for bonding typical substrates — much less glass that calls for flexible, invisible, yet still strong properties in its adhesives. At Hotmelt.com, we have a wide variety of both hot melt and non-hot melt adhesives and applicators to choose from to suit your needs.

In the rest of this article, we go into more detail around the advantages and disadvantages of using each type of adhesive when bonding glass.

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This non-hot melt adhesive is a great candidate for glass substrates due to its strong, clear and waterproof bond. Super glue can be found in a variety of viscosities, so it can be adapted to fit any use — whether that’s setting in a matter of seconds on a production line or in a matter of minutes, so it can be manipulated during a delicate installation.

Founded in 1971, APPLIED Adhesives is a premier custom adhesive solutions provider in North America. Our experts source the adhesives, equipment, and parts you need while providing maintenance services that help you run at optimum efficiency. APPLIED's extensive experience coupled with our cost-in-use approach saves you time and money.

Super glue, or Cyanoacrylate, is an adhesive that’s used in a huge variety of applications on a wide variety of substrates.

Therefore, the adhesive you use to bond glass to either itself or another substrate must be carefully thought out. You want it to be strong enough to create a water-tight bond, flexible enough not to snap under multi-directional pressures and clear enough to not be easily seen—even years into the future.

Two-component, or two-part, epoxies are cured at lower temps than their one-component counterparts. These adhesives are superior in stability, temperature resistance and curing times. And better yet, two-part epoxies can be developed to be clear for use in highly-visible situations, such as glass installations.

If you still have questions about which solution is best for your glass bonding needs, contact us. One of our adhesive experts can help you find the perfect product and application method.