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10 Best Epoxies for Metals 2020 – Reviews & Top Picks

person using J-B Weld 8281 Professional Size Steel Reinforced Epoxy

The first report of the condensation of epoxies and amines was by the German Paul Schlack in 1934. Since then, epoxies have boomed in popularity due to their usefulness, resulting in a variety of options on the market. Since there are so many epoxies to choose from, it can be difficult to narrow in on the best for you, making the buying experience downright stressful.

For this reason, we have looked at the top epoxies for metals and selected the best 10 on the market. In this article, we offer reviews for the top 10 best epoxy for metals and provide a convenient buyer’s guide at the end.

A Quick Comparison of Our Favorites

Image Product Details
Best Overall
Winner
PC Products 167779 PC-7 Multi-purpose Epoxy PC Products 167779 PC-7 Multi-purpose Epoxy
  • Suitable for a variety of purposes
  • Works as a bonding agent, sealant, and filler
  • Works on many materials
  • Best Value
    Second place
    Permatex 89 PermaPoxy Multi-Metal Epoxy Permatex 89 PermaPoxy Multi-Metal Epoxy
  • Water and solvent resistant
  • Fast setting
  • Does not shrink when dry
  • Premium Choice
    Third place
    Loctite 1365736-6 Heavy Duty Epoxy Loctite 1365736-6 Heavy Duty Epoxy
  • Multi-purpose
  • Heavy-duty
  • Resistant to water and solvents
  • Yanyi 13 Epoxy Putty Stick Yanyi 13 Epoxy Putty Stick
  • Great for beginners
  • Suitable for a variety of materials
  • Multi-purpose
  • J-B Weld 8281 Professional Size Steel Reinforced Epoxy J-B Weld 8281 Professional Size Steel Reinforced Epoxy
  • Heavy-duty
  • Suitable for a variety of materials
  • Trustworthy brand
  • The 10 Best Epoxies for Metals – Reviews 2020

    1. PC Products PC-7 Multi-purpose Epoxy – Best Overall

    PC Products 167779 PC-7 Multi-purpose Epoxy

    It’s nothing but roses when it comes to reviewing the PC Products 167779 PC-7 Multi-purpose Epoxy, which is why we have selected this product as our best overall pick. This product is suitable for a number of purposes that allows it to work as a bonding agent, sealant, and filler for indoor and outdoor applications.

    Impressively, the PC Products 167779 is strong enough to bind many materials. It can bond fiberglass, wood, concrete, metal, brick, glass, ceramic, and rubber. More so, it seals oil, gas, water tank leaks, and plumbing and masonry cracks. At the same time, it fills holes, casting, and mold.

    The product has a PC-7 formulation, which provides extended working time that will allow you to reposition the work or make changes as needed. This product also has a high “wet grab,” allowing the epoxy to work overhead or on side walls without dripping or sagging.

    Pros
    • Suitable for a variety of purposes
    • Works on many materials
    • Works as a bonding agent, sealant, and filler
    • PC-7 formulation
    • High “wet grab”
    Cons
    • Thick consistency

    2. Permatex 89 PermaPoxy Multi-Metal Epoxy – Best Value

    Permatex 89 PermaPoxy Multi-Metal Epoxy

    If you are looking for the best epoxy for metals for the money, you will be interested in the Permatex 84109 PermaPoxy Multi-Metal Epoxy. This product is super strong, versatile for a variety of metal purposes, and budget-friendly, which is why we have named it our best value pick.

    The Permatex 84109 is suitable for a variety of metals and even has a dark gray coloring to match the metals. More specifically, it is great for materials such as aluminum, brass, chrome, copper, iron, stainless steel, and steel. It eliminates the need for welding, making it highly useful and functional.

    Additionally, the Permatex 84109 is water and solvent resistant, and it sets in 4 minutes without the need for clamping. Once dry, the epoxy provides permanent strength of up to 4,500 PSI and will not shrink.

    The only reason why this product is listed number two, as opposed to number one, is because it is only suitable for metal materials, whereas our top pick was suitable for metals and non-metals alike.

    Pros
    • Dark gray coloration
    • Suitable for many metals
    • Water and solvent resistant
    • Fast setting
    • Does not shrink when dry
    • Budget-friendly
    Cons
    • Not suitable for non-metal materials
    • Gives under high stress

    3. Loctite Heavy Duty Epoxy – Premium Choice

    Loctite 1365736-6 Heavy Duty Epoxy

    If you are looking for a premium epoxy for metals, you should check out the Loctite 1265736-6 Heavy Duty Epoxy. Although this product is more expensive than others on this list, it is heavy-duty, resilient, and multi-purpose, making it worth its price.

    Notably, the Loctite 1265736-6 is multi-purpose. It can be used as an adhesive for tile, wood, metal, ceramic, and glass. It can also be used for filling, surface repairs, and laminating. This makes this product highly useful for a variety of purposes.

    As the name suggests, the Loctite 1265736-6 Heavy Duty Epoxy is heavy-duty. It is a high strength adhesive that will create a permanent bond after one application. It is highly resilient and is resistant to humidity, water, and most common solvents. It also has a high impact resistance so that it can be sanded, drilled, and painted. However, it does not have a long shelf life, so you may find yourself needing to purchase it more than once before it’s all gone.

    Pros
    • Suitable for a variety of materials
    • Multi-purpose
    • Heavy-duty
    • Resistant to water and solvents
    • High-impact resistance
    Cons
    • Expensive
    • Does not have a long shelf life

    4. Yanyi 13 Epoxy Putty Stick

    Yanyi 13 Epoxy Putty Stick

    Another great epoxy for metals to check out is the Yanyi 13 Epoxy Putty Stick. This product is multi-purpose, easy to use, and budget-friendly. It is suitable for most small- to medium-sized projects, but it is not ideal for large projects.

    The Yanyi 13 is multi-purpose in that it bonds to a range of materials. It can bond to metal, wood, glass, ceramic, fiberglass, stone, marble, and many rigid plastics. This allows it to be useful for a variety of purposes, such as fixing leaks and tanks, repairing appliances, fixing toys, and filling cracks in concrete.

    Additionally, the Yanyi 13 is extremely easy to use. All you need to do is cut and hand knead until the color becomes uniform, and apply it to the damaged area. It only takes about 10 minutes to knead and use, also making it fast and efficient. This one also suffers from a short shelf life though, so be mindful of this before buying in bulk.

    Pros
    • Easy-to-use
    • Great for beginners
    • Suitable for a variety of materials
    • Multi-purpose
    • Affordable
    Cons
    • Short shelf life
    • Not suitable for heavy-duty jobs

    5. J-B Weld Professional Size Steel Reinforced Epoxy

    J-B Weld 8281 Professional Size Steel Reinforced Epoxy

    J-B Weld is a leading manufacturer of top epoxies, making it no surprise that the J-B Weld 8281 Professional Size Steel Reinforced Epoxy is on this list. This product is highly versatile, dependable, and easy to use.

    Notably, the J-B Weld 8281 is suitable for a number of surfaces, including metal, plastic, PVC, wood, concrete, ceramic, tile, and fiberglass. This allows the product to be used for a variety of purposes including big or small DIY jobs relating to household, automotive, marine, or craft repair.

    Additionally, this J-B Weld product is highly dependable and strong. It has a tensile strength of 5,020 PSI and can withstand up to 550 degrees Fahrenheit. Once fully cured, it is waterproof and resistant to petroleum, chemical, and acid. However, it does require the purchase of some additional accessories in order to use it, which is slightly annoying, especially given that it’s not cheap.

    Pros
    • Heavy-duty
    • Suitable for a variety of materials
    • Trustworthy brand
    • Long set time
    Cons
    • Expensive
    • Requires purchase of a mixing tray and plastic knife

    6. Gorilla Heavy Duty GorillaWeld Steel Bond

    Gorilla Heavy Duty GorillaWeld Steel Bond

    Another good epoxy for metals on our list is the Gorilla Heavy Duty GorillaWeld Steel Bond. This product is incredibly strong, easy to use, and convenient for both metals and non-metals. This makes it a great choice for small and medium DIY projects.

    Importantly, the Gorilla Heavy Duty GorillaWeld Steel Bond is incredibly strong. Once dried, it has a strength rating of up to 4,250 PSI. This allows it to be suitable for a variety of purposes. More so, it is suitable for a variety of materials, including metal, some plastics, concrete, ceramics, PVC, fiberglass, and more.

    Additionally, the Gorilla Heavy Duty GorillaWeld Steel Bond is easy to use and has a 10 minute set time. This allows you enough time to adjust or reposition anything after the epoxy has been placed, making it great for beginners who are not familiar with epoxy yet. Watch out though, it has a very strong smell. What’s more, it’s not suitable for high heat.

    Pros
    • Suitable for a variety of materials
    • Strong under normal conditions
    • Waterproof
    • Affordable
    Cons
    • Not suitable for high heat
    • Strong smell

    7. PASCOFIX Strongest Super Epoxy

    PASCOFIX Strongest Super Epoxy

    If you are looking for an all-purpose epoxy, then you will be interested in the PASCOFIX Strongest Super Epoxy. This product is very strong, bonds quickly, and has a long shelf life if kept in the freezer. It is extremely simple and easy to use, making it perfect for experienced users or beginners alike.

    Notably, the PASCOFIX Strongest Super Epoxy is very strong. It is water-resistant, heat-resistant up to 257 degrees Fahrenheit, and cold-resistant up to -49 degrees Fahrenheit. This makes it suitable for even tough jobs.

    Additionally, it is perfect for on-the-go needs. It bonds within seconds, making it great if you need to bond the material quickly. It is perfect for bonding shoes, metal, ceramic, porcelain, glass, wood, stone, and more.

    But it’s not without its downfalls. Firstly, the bottle it comes in is poorly constructed, which can impact the work you do. Secondly, it has a very short setting time, so you have to move quickly and most likely be experienced in using epoxy to go with this product. Thirdly, it’s not suitable for heavy-duty jobs.

    Pros
    • Fast-acting
    • High heat and cold resistance
    • Multi-purpose
    Cons
    • Bottle is poorly constructed
    • Not suitable for heavy-duty-jobs
    • Short setting time

    8. Jenolite 112gm Steel Repair Epoxy

    Jenolite 112gm Steel Repair Epoxy

    The next epoxy for metals on our list is the Jenolite 112gm Steel Repair Epoxy. This product is very strong and suitable for anything made of metal, but it is not suitable for non-metal materials.

    Notably, the Jenolite 112gm is great for metal materials because it is non-rusting and steel reinforced. It quickly repairs or rebuilds anything made of metal. It is even strong enough that it can be drilled, machined, ground, and painted once fully cured.

    With that being said, there are some downsides to this Jenolite product. Most notably, it is not suitable for anything other than metal. It is especially not suitable for plastics. Additionally, it is difficult to knead, making it hard for those who are inexperienced at kneading epoxy. It’s also not very attractive looking once dried.

    Pros
    • Suitable for most metals
    • Non-rusting
    Cons
    • Not suitable for non-metals
    • Difficult to knead
    • Unattractive once dried

    9. PC Products 25550 PC-Metal Epoxy Putty

    PC Products 25550 PC-Metal Epoxy Putty

    Another epoxy for metals to look into is the PC Products 25550 PC-Metal Epoxy Putty. This product is great for sticking to appliances, machines, cars, and plumbing for repair, making it multi-use and easy to use.

    This product is hand moldable, meaning it does not require mixing or application tools. It provides a work time of 3 minutes and a cure time of 60 minutes, allowing you to repair a number of metal objects.

    Unfortunately, the PC Products 25550 is not very heavy-duty, and it is not suitable for any non-metal material. Instead, this product will only be suitable for small jobs, such as filling holes.

    Pros
    • Easy to use
    Cons
    • Not suitable for non-metal materials
    • Not very durable
    • Not suitable for heavy-duty jobs

    10.  Pratley 2 Part Epoxy Plastic Adhesive

    Pratley 2 Part Epoxy Plastic Adhesive

    Finally, the last product on our list is the Pratley 2 Part Epoxy Plastic Adhesive. This product is highly affordable, and it is suitable for a variety of materials such as rigid plastic, metal, and ceramics. Unfortunately, this is all the positives we can say about this product because it has more cons than pros.

    The Pratley 2 Part Epoxy Plastic Adhesive is not strong in comparison to other epoxies. As a result, it is not suitable for most jobs involving metal. It is also not suitable for other jobs, such as fixing rubber shoes. In fact, this epoxy is about as strong as regular super glue.

    Pros
    • Affordable
    Cons
    • Not strong
    • Not heavy-duty
    • About as effective as super glue

    Buyer’s Guide

    If you are still unsure which product to choose, read on. Here is a buyer’s guide that lists the most important factors to consider when selecting epoxy for metals. These aspects will help you to determine which product is best for your needs when it comes to picking an epoxy for metals.

    1. Compatibility

    The most important factor to consider when selecting an epoxy is compatibility. Not all products are suitable to work with every material. As a result, you need to select a product that is compatible with the materials you intend to use.

    For example, make sure that the epoxy is suitable for metals if you plan in on that surface. In contrast, if you plan to use epoxy for a variety of purposes, make sure to get a multi-purpose epoxy.

    2. Strength

    Another important factor to consider when purchasing an epoxy for metal is its strength factor. The strength will determine how well the epoxy bonds to the material. More so, the strength will also determine the material’s water or solvent resistance, as well as its impact resistance. If you need epoxy for heavy-duty purposes, make sure that it has a high PSI rating.

    3. Temperature Rating

    A factor related to strength is the temperature rating. Once the material has dried, it will be subject to different ranges of temperatures. If you plan to use the epoxy in a setting with high temperatures, such as on an automotive, make sure that the epoxy is suitable for the intended temperature range. If the epoxy has a low temperature rating, it will not hold under high temperatures.

    4. Sealant Capabilities

    Sealant capability is another factor to consider when purchasing epoxy. Epoxies that are only designed for repairs will not seal the material. If you are repairing items, such as a pipe, that come in contact with moisture, you need to make sure that your epoxy is also sealant. This will ensure that the epoxy is durable even in the case of water.

    If you plan to use the epoxy for masonry or plumbing, you especially need to make sure that your epoxy has sealant capabilities. If not, your epoxy will be unhelpful and short-lived for your purposes.

    person slicing Yanyi 13 Epoxy Putty Stick

    5. Set Time

    Additionally, you need to consider the set time when purchasing an epoxy. Since epoxies dry extremely hard, you only have a limited window to adjust or change the positioning once the epoxy has been set. The set time will tell you how long you have to readjust your items.

    If you know that you will need a longer time to adjust, select products that have a longer set time. The longer the set time, the longer it will take for the epoxy to harden completely, however.

    6. Applicator Style

    Finally, the last factor to consider is the applicator style. Today, there are many applicator styles to choose from. Most products are 2-part systems that you will pour into a disposable cup or bowl and combine with a disposable stirring agent. This applicator style tends to be the most durable, but it is messier and requires additional items.

    Other applicators styles include sticks that you rub onto a surface or a putty that you stick on to the surface. These products are more suitable for easy jobs and easy cleanup. With that being said, they are normally not suitable for heavy-duty jobs.

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    Conclusion

    After considering all of our reviews and buyer’s guide, we recommend the PC Products 167779 PC-7 Multi-purpose Epoxy. It is compatible with metal as well as other materials. At the same time, it is highly strong, is suitable for repairing and sealing, and has a flexible set time.

    If you are looking for a product on a budget, however, we recommend the Permatex 84109 PermaPoxy Multi-Metal Epoxy. Like our top pick, this product is strong, suitable for a variety of purposes, and has good sealant capabilities. The main downside is that it is only compatible with metals, not non-metals.

    We hope that this article has helped you select the best epoxy for metals or at least provided you with guidance on how to select a product for your needs.

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