Epoxy is an incredibly versatile material that can be used for any number of different applications, from crafts and home improvements to industrial and commercial uses. One of most common uses of epoxy is in bonding two pieces of glass together, whether it's a window, a piece of art, or a larger architectural structure. It's important to choose right type of epoxy for job, as there are many different kinds available.

The first thing to consider when choosing an epoxy is type of glass you're hoping to bond together. Certain epoxies are better suited to certain types of glass, such as bass or plexiglass, while others are better suited for heavier glass such as tempered glass.

Next, you'll want to consider strength of bond that needs to be formed. Some epoxies are made to provide extra strength and durability, while others are designed to provide a medium-strength bond. Depending on size and weight of glass being bonded, there may also be a need for a special epoxy with extra adhesive strength.

The application is also important to consider. If you're bonding two pieces of glass in a place that may be exposed to extreme temperatures or humidity, you'll want to pick an epoxy that is designed to handle these elements. You'll also want to make sure that epoxy you choose is safe to use with any type of glass, and that it won't damage or discolor glass over time.

Once you've narrowed down type of epoxy you need, it's important to factor in price. Many epoxies can be found at your local hardware store, but they may not be most cost-effective option. Online retailers often sell epoxies in bulk, which can be a great way to save money.

Finally, it's important to read reviews and talk to people who have used epoxy before. This will help you to make sure that you're getting a quality product that will do job that you need it to do.

Overall, there is no single “best” epoxy for glass. It's important to consider all of factors—from type of glass to application—in order to make sure that you get epoxy that best suits your needs. Taking time to research and shop around will ensure that you get epoxy that will form safest, strongest, and most durable bond.