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H-455 Alumfast 6.5 oz Rapid Cure Aluminum Putty Repair Kit

4.3 4.3 out of 5 stars 309 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Body Repair Putty by HY-POXY

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Brand HY-POXY
Material Resin
Compatible Material Metal
Item Form Putty
Special Feature Strong

About this item

  • 5 minute Aluminum repair kit
  • Repairs HVAC, radiators, engine blocks, boat hulls, equipment
  • High stength industrial and automotive repair
  • Aluminum filled epoxy putty for quick and strong non rusting repairs
  • Made in the USA

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 6.4 x 2.8 x 1.3 inches; 7.04 ounces
  • Item model number ‏ : ‎ H-455
  • Date First Available ‏ : ‎ February 4, 2009
  • Manufacturer ‏ : ‎ HY-POXY
  • ASIN ‏ : ‎ B001RLYQ88
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.3 4.3 out of 5 stars 309 ratings

Product Description

Rapid cure aluminum putty repair kit. A two component epoxy formula highly concentrated with carefully selected pure aluminum particles, modified curing agents and high quality additives to provide maximum strength, durability and ease of application. Alumfast is specially formulated for HVAC copper pipes, HVAC condenser coils, tanks, valves, pumps, castings, water jackets, radiators, etc., where a fast and strong, non rusting aluminum repair is desired and where there is not constant exposure to water. After it cures, Alumfast can be machined, sanded, drilled and tapped which makes it a popular choice for automotive, plumbing and HVAC repairs.


From the manufacturer

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About Us

Hypoxy Systems’ Management has a combined experience of more than 70 years in the formulation, manufacturing and worldwide marketing of epoxy materials. Although basic epoxies have been used for many years, Hy-Poxy represents the new “State of the Art” in formulas, raw materials and methods of compounding. Our easy-to-use, two-component specially formulated epoxies harden without heat, pressure or special tools. Simply mix and apply!

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Customer reviews

4.3 out of 5 stars
4.3 out of 5
309 global ratings

Customers say

Customers like the bonding adhesive for its ease of use, adhesion, and quality. They mention that it dries really fast, it holds like a weld, and that it's a good product for aluminum repair. They also appreciate the performance and strength.

AI-generated from the text of customer reviews

19 customers mention15 positive4 negative

Customers like the performance of the bonding adhesive. They say it works better than expected, it sets up fast, and it works great on aluminum coils.

"...and put it into a pharmacy style syringe for kid’s medicine…and it worked perfectly." Read more

"...It does set up fast though so you can wait for it to thicken a little." Read more

"Worked well, dried quickly and zero leaks. Saved a $600 aluminum truck bed fuel tank. Highly recommend this product!" Read more

"...well on a different substrate for drilling, but it just sucks for this application (as in fails miserably.) NOT THIS PRODUCT THOUGH!..." Read more

11 customers mention8 positive3 negative

Customers like the strength of the bonding adhesive. They say it has amazing strength, holds well, and hardens like a rock. Some mention that the product is extremely tenacious and tough.

"...It held well but the oil was seeping thru the crack at the threads. If you fixing chips,broken flange or bonding two pieces, this is the stuff." Read more

"...It's been two weeks of intermitent use but so far it is holding up well and I'll make sure to update this if anything comes up." Read more

"...compression strengths of this expoxy, it is *extremely* tenacious and TOUGH. Nice, clean smooth trigger pin holes, in the right place now, too!..." Read more

"It’s may be a step up from Super Bowl. It doesn’t really believe anything together." Read more

8 customers mention8 positive0 negative

Customers find the bonding adhesives easy to use. They mention that it's easy mix and put down, and has saved them a lot of work. Some say that the product is good for aluminum repair.

"...The adhesion was awesome and has saved me a lot of work after discovering a hole in my transfer case due to a failed training mount causing part of..." Read more

"...It’s been a week and so far it has held up. I let it set for a week. Easy to use." Read more

"Incredibly easy to use. Used this product to repair damaged fins on a windmill. It holds like a weld and..." Read more

"Works great and easy to use, but read and follow the instructions especially about working with small batches because this dries really fast...." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the quality of the bonding adhesive. They mention it's the best epoxy they have ever seen, a good buy, and a great product.

"...Nice, clean smooth trigger pin holes, in the right place now, too!..." Read more

"Great product. Recommend" Read more

"...Best epoxy i have ever seen." Read more

"Excellent, best epoxy I have ever use it and many years on my auto repair experience, dries very fast super strong and has superior adhesion, is..." Read more

5 customers mention5 positive0 negative

Customers are satisfied with the adhesion of the bonding adhesive. They mention that it holds like a weld, and can stick to smooth plastic cards.

"...This is my new go to aluminum repair. The adhesion was awesome and has saved me a lot of work after discovering a hole in my transfer case due to a..." Read more

"...It bonded great to the crack. But we had a hair line crack on an oil channel that supplied oil to the oil pressure sender...." Read more

"...Used this product to repair damaged fins on a windmill. It holds like a weld and..." Read more

"...This stuff sticks like nothing i have ever seen it even stuck to the smooth plastic card i used to smooth it on with. Best epoxy i have ever seen." Read more

3 customers mention3 positive0 negative

Customers are satisfied with the drying time of the bonding adhesive. They mention that it dries really fast.

"Worked well, dried quickly and zero leaks. Saved a $600 aluminum truck bed fuel tank. Highly recommend this product!" Read more

"...especially about working with small batches because this dries really fast.You can sand and paint after it hardens." Read more

"...ever use it and many years on my auto repair experience, dries very fast super strong and has superior adhesion, is the best, I will recommend..." Read more

3 customers mention3 positive0 negative

Customers are satisfied with the leakage of the bonding adhesive. They mention that it works great for their HVAC leak and seals an aluminum intake coolant leak.

"Worked well, dried quickly and zero leaks. Saved a $600 aluminum truck bed fuel tank. Highly recommend this product!" Read more

"Works great for my HVAC leak, no more leak." Read more

"Worked as described. Sealed an aluminum intake coolant leak...." Read more

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