TotalBoat 2:1 Epoxy Resin
System Three Epoxy
System Three System Three resin
  • System Three Epoxy
  • epoxy resin

System Three Epoxy Resin

System Three epoxy resin is their mainstay offering, and fits well into over 90% of all epoxy applications. It is a solvent-free unfilled medium-modulus system formulated for use with any of three hardeners (slow, medium, and fast used depending on pot life, set time, and temperature).

Mixed at a 2:1 ratio, System Three epoxy has excellent pot life and cure-time control. It is frequently used for new wooden boat construction and repair, gel coat blister repair, general fiberglass boat repair, coating, and general fiberglass work.

Combine this versatile resin with different fillers to create excellent adhesive, filleting and fairing compounds. Available in quart, gallon, 5 gallon, and 55 gallon quantities.

 
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$34.70 / qt
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$34.70
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Tech Spec Product Info User Generated Content
    Resin Technical Specs
  • Mix ratio by Volume: 100:50
  • Mix ratio by Weight: 100:44
  • Total Solids: 100 Percent
  • Mixed Viscosity: 950 cps
  • Mixed Color: Light Amber
  • Tensile Strength: 6000 psi
  • Tensile Elongation: 11 percent
  • Flexural Strength: 12,500 psi
  • Flexural Modulus: 350,000 psi
  • Compressive Strength: 12,000 psi at yield
  • Coverage: 150 square Ft/Gal at 10 mils
  • Maximum Service Temperature: 160 degrees F
  • System Three Cure Schedule  Pot Life at 77 degrees F  Set Time at 77 degrees F  Cure Time at 77 degrees F 
    1 Fast Hardener  15 Min  2 Hours  3-5 Days 
    2 Medium Hardener  30 Min  4 Hours  3-5 Days 
    3 Slow Hardener  70 Min  9 Hours  3-5 Days 
    Use protective gloves when working with epoxy. Use soap and water or white vinegar to get it off of your hands. Use Denatured Alcohol to clean off your tools.
    BRAND: System Three
    Material: Epoxy
    4.8 10

    Worked as advertised.

    5

    I am in the process of building a cedar strip canoe and I have been nervous about applying epoxy resin due to the number of less than pleasant experiences I have read about. Additionally, I was concerned about odors since my experience with resin was limited to use of a polyester resin used years ago. The memory of that sickly-sweet smell still lingers.I am happy to say that System 3 epoxy resin worked very well. It made the grain and color pop. I almost feel bad that I have to sand it for smoothness. Also, I am very happy to say this product has hardly any detectable smell - definitely a far cry from polyester resin.The free System 3 booklet titled "The Epoxy Book" is definitely worth a read.

    Wendell

    Saginaw, TX

    Yes

    I will use this product again

    5

    I used this product on a canoe I built about ten years past and had good results on my first build. I have decided to build to a Kayak for my wife, I was hoping that the "system" was still available because when I find something that works I stick with it. Easy to Mix,easy to use for great results. Dan B. Heron MT

    DCB

    Heron MT.

    Yes

    Cures super clear

    5

    Bought this epoxy resin to build a new hatch for the floor of my Center Console fishing boat. I used the medium hardener to allow a little more working time. The resin mixed well and dried to a super clear finish. I almost hate to cover the finish with any gelcoat it is so pretty and clear.

    RD Whittle

    South Carolina

    Yes

    Excellent despite the lack of hype

    5

    Should offer larger containers of hardener

    Jim

    Northern Wisconsin

    Yes

    Wooden kayak magic

    4

    A forgiving and temperature tolerant epoxy for strip building kayaks

    Tom

    Swansboro, NC

    Yes

    Worked for me

    5

    I repaired a hole in the hull while it was on the trailer. Did about eight layers of glass. Good instructions and lots of information on how to fix stuff.

    Earplug

    Colorado

    Yes

    This is great stuff

    5

    I use the med and it was just right for working in the shop @ 63 degrees

    Clement

    Milton, Delaware

    Yes

    Very good product

    4

    Not as hard as West System when cured, though this may be desirable in some applications where some flexibility is desired.

    ccdiver

    on / or in the water

    Yes

    Great Resin

    5

    I've used System Three products for years with never a disappointment. I've used S3 to repair canoes, kayaks and small wood boats, house trim, antique newel post and a variety of woodworking projects. I weigh the resin and hardener with a postage scale and mix it in cheap paper bowels from the grocery store. I mix thoroughly for sixty seconds. Mix resin the same way every time and you'll have consistent results.

    Roger

    Bloomington, IN

    Yes

    Reliable epoxy resin

    5

    I'm using System Three Epoxy to re-sheath an old plywood trimaran. I've used it with the fast and the medium hardener. In both cases it has provided a reliable layup - the working times quoted for the product are very accurate. Good adhesion to old wood and nice finish on the final layer. Mixed with a 50/50 mix of cabosil and microballoons makes an excellent, easily sanded filler and fairing material.I've used West System and it is an excellent resin too. The flexibility of the System Three might be better on hulls where more flex is needed. I've used the West resin on some structural elements where a stiffer resin makes more sense (i.e. daggerboard trunk and bulkheads)

    RebelStreet

    WI

    Yes

    System Three Epoxy Resin

    4.810

    100.0

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