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System Three GelMagic Epoxy Adhesive is a premium 2-part, high-viscosity gel epoxy designed for structural, impact-resistant bonding. Featuring a convenient 2:1 mix ratio with a blue dye indicator, it cures fully in 16 hours at 70°F. Waterproof and marine-grade, it forms superior bonds on wood, metals, concrete, and composites, making it perfect for demanding professional and outdoor applications.


































| ASIN | B00UVH1TP2 |
| Best Sellers Rank | #100,103 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #126 in Tile Epoxy Adhesives |
| Brand | SYSTEMTHREE |
| Brand Name | SYSTEMTHREE |
| Color | Tan |
| Compatible Material | Aluminum, Composites, Concrete, Stainless Steel, Wood |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 26 Reviews |
| Full Cure Time | 16 Hours |
| Global Trade Identification Number | 00646697000260 |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Manufacturer | System Three Resins, Inc. |
| Material | Epoxy Resin |
| Material Type | Epoxy Resin |
| Model | 1230K44 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Waterproof |
| Part Number | 1230K44 |
| Special Feature | Waterproof |
| Specific Uses For Product | Landscaping, Marine, Outdoor, Repair, Woodworking |
| UPC | 646697000260 |
| Unit Count | 96.0 Fluid Ounces |
| Viscosity Level | High |
| Volume | 3 Quarts |
| Water Resistance Level | Waterproof |
S**.
Excellent No Sag Epoxy
This product is truly a no sag epoxy product with ease of use, ease of mixing. The components were measured with a scale prior to mixing and had at least 25 minutes of working time. The bond strength was excellent. It was about 85 degrees and a humid environment that day. I would buy this again.
R**S
New formulation, basically better than before
They have changed the formulation for this expoxy so that the working time is shorter, only about 10 minutes after it is mixed. But it now curess much faster and it is even more of a true, non-sagging, gel epoxy than before. So overall it works great for me and I highly recommend it for those glue ups where you don't want the adhesive dripping down from the joint.
M**.
Excellent multipurpose epoxy resin!
Excellent strong epoxy, cures in pleasant opaque color. I’ve used this to fix a number of things: broken refrigerator drawers, refrigerator shelves, gaps between wood joists, a broken eyeglass frame, and more. Only complaint is that it does take 12 hours to cure, and only cures in warm temperatures. But that’s pretty standard for high strength, epoxy resin.
J**Y
Ease of use, beats mixing epoxy and silica.
ease of use.
B**S
Working like a dream on a plywood boat project.
Great product. Easy to use. Once it sets up and hardens it is bulletproof. I am using it as an adhesive to build a plywood boat. Extremely pleased with its performance.
D**S
There is a shelf life on this product
Very strong bond, it is quite thick being a gel so it is better then typical epoxys for vertical surfaces
C**R
no smell after application
This stuff is great. After we applied it we found no smell or vapors. Solid stuff. Would buy again.
K**R
not as advertised
This product is sold as a filler or glue and is supposed to be clean. When used as a filler for some cracks in a table top it dries as white. The same color as the old Elmer's wood glue which was an off white or maybe cream. Its one to one ratio makes it easy to mix up and have now tried it in 4 different applications and it always dries white and not clear. I spread some left over out on a scrap of wood and got it as thin as I possible could and that dried clear and did a good job of gluing 2 pieces of scrap together. Its no good as a filler, I had to use a drimmel and clean out the visible places where I tried to use it as a filler.
Trustpilot
3 weeks ago
2 weeks ago