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🔩 Fix it once, fix it like a pro—Mastercool Alum Bond seals the deal!
Mastercool 90935 Alum Bond is a high-strength, aluminum-filled epoxy designed for permanent repairs on aluminum castings, radiators, engine blocks, and HVAC components. Offering 8,600 PSI compressive strength and machinability after curing, it ensures durable, precise fixes that withstand temperatures up to 250°F. Its non-sag formula enables clean vertical applications, making it a go-to solution for professional technicians seeking reliable, long-lasting metal repairs.
| Asin | B00CDDA1OW |
| Best Sellers Rank | #7,640 in Automotive (See Top 100 in Automotive) #21 in Air Conditioning Line Repair Tools |
| Brand | Mastercool |
| Customer Reviews | 4.4 4.4 out of 5 stars (81) 4.4 out of 5 stars |
| Date First Available | April 16, 2013 |
| Item Model Number | 90935 |
| Item Weight | 7.2 ounces |
| Manufacturer | Mastercool |
| Manufacturer Part Number | 90935 |
| Model | 90935 |
| Oem Part Number | 90935 |
| Product Dimensions | 6 x 3 x 2 inches |
| Special Features | High Concentration of Aluminum Particles, Maximum Strength, Durability, and Ease of Application |
User
Quality product
This is a good product, I tested it against JB Weld and it adhered better and was stronger. I would expect that, since it is designed to seal high pressure refrigerant leaks, I was not disappointed. I used it to fill gaps, holes, and other flaws in my aluminum boat instead of having everything heli-arced, worked well.
User
MUST HAVE IN YOUR HVAC TOOL KIT!!
This stuff worked GREAT!!! I had a leak in my minisplit condenser coil and this patched the hole. I let it set over night then pressurize the coil to 317 psi and it held for over an hour, passed my test.
User
Better than expected!
This stuff is absolutely amazing! Wicked strong ! The had bought a 300 dollar aluminum boat and had tons of holes and cracks and I used up the entire kit to repair the boat ! I followed the instructions completely and am more the satisfied and confident that this boat won’t leak again ! Excellent product!
User
Funciona como lo esperaba
Sello la fuga de condenser...y volvió a funcionar!!!
User
Aluminum repair made easy
Good working time & sands smooth after drying
User
Super strong and easy to use.
This stuff works great. Seems to be as strong as the aluminum that I used it on.
User
The best aluminum epoxy
Works as advertised! I repaired an aluminum A/C condenser. Is holding so far!
User
Aluminum weld.
It will stick but if you bump it it will break off.
Trustpilot
1 week ago
5 days ago