System Three GelMagic Epoxy Adhesive, 3 Quart Kit
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System Three GelMagic Epoxy Adhesive, 3 Quart Kit

4.8/5
Product ID: 99244760
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Details

  • Brand
    SYSTEMTHREE
  • Specific Uses For Product
    Marine Outdoor
  • Material
    Epoxy Resin
  • Compatible Material
    Composites
  • Item Form
    Gel
🌊100% waterproof, marine-grade durability
💪Impact & fracture resistant strength
🧪2-part epoxy, perfect 2:1 mix ratio
Frequently Bought Together

Description

🛠️ GelMagic: The epoxy that sticks with you through every challenge

  • FAST RELIABLE CURE - Develops strong bonds within 16 hours at room temperature, ready when you are
  • PRECISION PERFECT MIX - Blue indicator dye ensures flawless 2:1 blending every time
  • VERSATILE BONDING POWER - Bonds wood, composites, metals, concrete, and porous materials with exceptional peel strength
  • MARINE GRADE WATERPROOFING - 100% waterproof formula ideal for outdoor, marine, and high-moisture applications
  • UNMATCHED STRUCTURAL STRENGTH - Engineered for impact resistance and fracture toughness in demanding environments

System Three GelMagic Epoxy Adhesive is a premium 3-quart, 2-part epoxy kit designed for professionals seeking a high-performance, waterproof, and impact-resistant adhesive. Featuring a unique blue indicator dye for perfect mixing, it cures fully in 16 hours at 70°F and bonds a wide range of materials including wood, metals, composites, and concrete. Ideal for marine, woodworking, and outdoor repairs, GelMagic delivers industrial-grade strength with non-sag, non-brittle properties for lasting durability.

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Specifications

BrandSYSTEMTHREE
Specific Uses For ProductMarine, Landscaping, Outdoor, Repair, Woodworking
MaterialEpoxy Resin
Compatible MaterialComposites, Wood, Aluminum, Stainless Steel, Concrete
Item FormGel
Special FeatureWaterproof
ColorTan
Item Package Quantity1
Package InformationBottle
Item Volume3 Quarts
ViscosityHigh Viscosity
Full Cure Time16 Hours
Water Resistance LevelWaterproof
Unit Count96.0 Fluid Ounces
UPC646697000260
Global Trade Identification Number00646697000260
ManufacturerSystem Three Resins, Inc.
Part Number1230K44
Item Weight7.93 pounds
Package Dimensions12.5 x 7.5 x 7.5 inches
Item model number1230K44
Size3 Quart
Special FeaturesWaterproof
Batteries Included?No
Batteries Required?No

Reviews

4.8

All from verified purchases

J**Y

Ease of use, beats mixing epoxy and silica.

ease of use.

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

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.

T**E

saves time versus mixing your own resin/cabosil epoxy.

super easy to measure by weight, mix, and spread; beats the trial and error diy method.

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.

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.

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.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

System Three Gelmagic Epoxy Adhesive 3 Quart Kit | Desertcart Vanuatu