Top 7 Best epoxy for cast iron (2022)

1. Blue Magic 16002TRI QuikSteel Steel Reinforced Epoxy Putty Repair, Blister Pack – 2 oz, Gray

  • QuikSteel reinforced epoxy putty, 2 ounce
  • Withstands up to 500 degree Fahrenheit temperatures
  • Sets in 5 minutes, cures in 1 hour
  • Hardens like steel, can be drilled, tapped, filed, sanded and painted
  • Drinking water safe, NSF-61

2. J-B Weld 8265S Original Cold-Weld Steel Reinforced Epoxy – 2 oz.

  • J-B WELD ORIGINAL: The Original Cold Weld two-part epoxy system that was designed as an alternative to torch welding. J-B Weld Original provides strong, lasting repairs to multiple surfaces and creates a bond stronger than steel. Perfect for DIY household, automotive, marine, craft repair and much more.
  • CURE AND SET TIME: After mixing the tubes at a 1:1 ratio, it takes 4-6 hours to set and 15-24 hours to cure. Once cured, J-B Weld Original can be tapped, filled, sanded, molded and drilled. J-B Weld Original’s set and cure color is dark grey.
  • VERSATILE & DEPENDABLE: J-B Weld Original is steel reinforced, has a tensile strength of 5020 PSI and can withstand temperatures up to 550 degrees Fahrenheit (287 degrees Celsius). When fully cured, J-B Weld Original is waterproof and resistant to petroleum, chemical and acid.
  • SURFACE APPLICATIONS: Metal, Plastic & PVC, Wood, Concrete, Ceramic & Tile and Fiberglass.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.
  • Will set in 4-6 hours, and cure in 16-24 hours
  • Waterproof, petroleum, chemical, and acid resistant when fully cured
  • Can be drilled, tapped, machined, filed, sanded and painted
  • Stong and nontoxic after it has set and temperature resistant up to 500F
  • Tensile strength is 3,960 PSI

3. J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste – 3 oz

  • JB WELD EXTREME HEAT: Is formulated for repairs to iron, steel and metal in high temperature environments 1000°F / 537°C. Non-flammable, it contains no solvents or Volatile Organic Compounds (VOCs).
  • THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. Designed to be effective in extreme environments, once it sets, it creates a permanent bond stronger than steel.
  • SIMPLE TO USE: When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam connections or holes.
  • VERSATILE & DEPENDABLE: Ideal for repair work on : exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World’s Strongest Bond.

4. J-B Weld 8277 WaterWeld Epoxy Putty Stick – 2 oz.

  • J-B WELD WATERWELD: A hand mixable two part epoxy putty stick, that can cure under water and is ideal for repairing plumbing, fuel tanks, tubs and showers, drains, pool and spa, boats & potable water tanks and more! J-B Weld WaterWeld is certified by the NSF and is safe for contact with potable water.
  • CURE AND SET TIME: After kneading the two part formula together by hand, WaterWeld takes 25 minutes to set and cures in 1 hour. J-B Weld WaterWeld set and cure color is off white.
  • PRODUCT FEATURES AND STRENGTH: J-B Weld WaterWeld has lap shear strength of 1300 PSI, can withstand continuous temperatures up to 300F (149C) and intermittent temperatures of 350F (176 degrees Celsius) and is chemical resistant against petroleum, hydraulic fluids and other chemicals when fully cured.
  • SURFACE APPLICATIONS: Iron & Stainless Steel, Copper & Brass, Aluminum & Bronze, Fiberglass and Plastic & PVC.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.

5. Mr. Coffee Mug Warmer, Home, Office, Black

  • 17 watt mug warmer for use with coffee, tea, hot cocoa & more
  • Easy to tote and take anywhere
  • Surface easily wipes clean
  • On/off switch with indicator light
  • Longer power cord for increased mobility

6. Vance Industries QN23UM 23″ Universal Undermount Sink Installation Kit

  • Works with all sink types – even cast iron
  • Works with all solid surface and stone Countertops and sink types
  • No drilling into countertop — weight of sink is supported by cabinet
  • All metal construction – will not split or warp
  • All hardware is included — no wood supports or shims needed

7. Clear Table Top Epoxy Resin That Self Levels, This is a 1 Gallon High Gloss (0.5 Gallon Resin + 0.5 Gallon Hardener) Kit That’s UV Resistant – It’s DIYER & Pro Preferred with Minimal Bubbles

  • 💎 PREMIUM CRYSTAL CLEAR EPOXY- Designed for Table Tops, Bars, Wood finishes, See-Through Encapsulations, Art work, only limited by your imagination. Our custom Epoxy formulation allows for minimal bubbles, goes on smooth, helps eliminate fish eyes, craters and various other imperfections. We only offer the best because that is what we use!
  • ⭐ USA MANUFACTURED- It is Safe once fully and properly cured, Low odor because we proudly manufacture here so you can rest assured you are getting the very best product produced!
  • 💦 EASY 1:1 MIXTURE: Imagine spending hours gathering your materials and spending your money just to have it all wasted because of Epoxy resin that doesn’t Level, is full of bubbles or starts turning yellow. REST ASSURED we’ve already done all the guess work for you. It’s High Gloss, U.V. Resistant, self leveling, the world is your canvas!
  • 💪 ROCK HARD VERSATILITY – We ONLY Produce a Tough, High Gloss, Water Resistant Coating so you know when it counts, we have your back!
  • 🎯 TEST OF TIME – So many options, hard to decide, we have very knowledgeable customer support staff standing by to support you on your journey! Let us earn your business. So that you know if you’re stuck, we are right here to help coach you along. If this is your first time or a pro we can help with bar tops, tabletops, river tables, jewelry, coffee tables, countertops, serving trays…The list goes on we have pretty much seen it all.

8. Gorilla 2 Part Epoxy, 5 Minute Set, .85 Ounce Syringe, Clear, (Pack of 2) – 4200130

  • Strong, permanent, fast and gap-filling; great for multiple surface applications
  • Best for tough repairs requiring a durable bond, gap-filling and solvent resistance
  • Dries clear; ideal for clean, easy finishing
  • 6 minute set; plenty of repositioning time for the perfect fit
  • Easy-to-use syringe; separate barrels of resin and hardener keep epoxy from hardening, plus syringe dispenses evenly and includes a cap for multiple uses

9. FiberWeld Pipe Repair Cast 2×48 Inch – High Strength Adhesive Fiberglass Wrap – White

  • J-B Weld FiberWeld 1” Pipe Repair Cast: A high-strength one-time use fiberglass wrap, impregnated with a specially formulated anti-corrosive resin providing a permanent & protective adhesion to a wide variety of pipes. When activated by water, the product forms a strong, permanent bond that hardens like steel in 15 minutes. All you have to do is wet, apply and let it dry and in 15 minutes it hardens like steel!
  • Cure and Set Time: Once the product is dipped in water for 5-7 seconds, you will have between 5-10 minutes to work with the product and then it will fully cure in 15 minutes!
  • Product Features and Strength: J-B Weld FiberWeld 1” Pipe Repair Cast can withstand household water pressure and has a bend strength of 1800 PSI. Once the product is fully cured, it can be sanded and painted! The kit includes a pair of gloves, an epoxy putty stick and a securing bandage!
  • Great For Repairs On: Copper, Cast Iron, PVC, ABS, Galvanized Steel, Rubber and more!
  • Do it Yourself: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.

10. PC Products PC-Plumbing Epoxy Putty, 2oz Stick, Gray (25598)

  • Fast curing epoxy stick for plumbing repairs. Works on copper, PVC and steel pipe and fittings
  • Approved repairs to pipes and fittings carrying potable water; return to service in less than 60 minutes
  • Cures wet or dry; sand, drill and paint; continuous service temperature range from -20 to 250 degrees F
  • Epoxy putty for rapid sealing in plumbing applications such as repairing leaking pipes, tanks, and valves
  • Hand moldable without need for mixing or application tools

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