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Crimp Supply Inc
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Loctite Epoxy Marine, 0.85 fl oz, 1, Syringe

4.5 4.5 out of 5 stars 2,383 ratings
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Size: 1 Pack
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Purchase options and add-ons

Brand Loctite
Specific Uses For Product Repair
Material Epoxy resin / Polymercaptan hardener
Compatible Material Metal, Glass, Ceramic, Wood, Many Rigid Plastics, China, Tile, Fiberglass, Concrete, Stone
Item Form Liquid

About this item

  • Bonds Wet Surfaces: Permanent epoxy can be applied and cured underwater and ideal for projects requiring high bonding strength on surfaces exposed to water immersion
  • Double Syringe Applicator: Conveniently dispenses two-part formula resin and hardener in equal amounts to produce a tough, rigid, high-strength bond
  • Fast and Easy: Unique formula sets in just 2 hours and fully cures in 24 hours
  • Waterproof and Resilient: Does not shrink and is highly resistant to water, solvents, and large impacts and can be easily sanded or machined
  • Versatile Use: Cures to a white finish ideal for repairing PVC, copper, brass and galvanized pipes and bonds to metal, concrete, glass, fiberglass, ceramic, wood and certain rigid plastics
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Frequently bought together

Loctite Epoxy Marine, 0.85 fl oz, 1, Syringe
This item: Loctite Epoxy Marine, 0.85 fl oz, 1, Syringe
$8.61 ($10.13/Fl Oz)
Get it Mar 10 - 12
In Stock
Ships from and sold by Crimp Supply Inc.
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J-B Weld 50172 25 ml MarineWeld Syringe
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J-B Weld 8277 WaterWeld Epoxy Putty Stick - 2 oz., Off White
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 1.38 x 3.88 x 8 inches; 0.88 ounces
  • Item model number ‏ : ‎ 1919324
  • Department ‏ : ‎ Unisex-Adult
  • Date First Available ‏ : ‎ January 29, 2009
  • Manufacturer ‏ : ‎ Loctite
  • ASIN ‏ : ‎ B00KH62K50
  • Customer Reviews:
    4.5 4.5 out of 5 stars 2,383 ratings

Product Description

Product Description

Loctite Marine Epoxy can be applied and cured underwater and eliminates the need to drain out water before repairs. This unique epoxy is a resilient, two-part adhesive system consisting of an epoxy resin and a hardener. When mixed in equal volumes with the convenient dual-syringe applicator, the resin and hardener react to produce a tough, rigid, high strength bond that sets 2 hours and fully cures in 24 hours. Ideal for repairing PVC, copper, brass and galvanized pipes, Loctite Marine Epoxy bonds to metal, concrete, glass, fiberglass, ceramic, wood and certain rigid plastics and cures to a white finish that can be easily sanded or machined. This resilient epoxy does not shrink and is resistant to water, most common solvents, and high impact.

From the Manufacturer

For over 50 years, Loctite has provided customers with advanced adhesive and sealing solutions. Loctite Marine Epoxy is a permanent, waterproof adhesive. This unique 2-part formula is ideal for projects requiring high bonding strength on surfaces exposed to water immersion. The adhesive can be applied and will cure underwater. Use Loctite Marine Epoxy for a permanent bond on glass, metal, wood and other common materials. Our uncompromising level of quality and innovation is achieved through a strong commitment to research and development. This commitment to innovation, quality and reliability has truly earned Loctite the reputation of delivering "Trusted Performance. Proven Results".

Top Brand: Loctite

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From the manufacturer

Marine Epoxy

Ideal for Bonding:
  • surfaces exposed to water immersion
  • PVC
  • copper
  • brass
  • galvanized pipes
  • metal
  • concrete
  • glass
  • fiberglass
  • ceramic
  • wood
  • rigid plastics

Marine Epoxy

  • Product can be applied and cured underwater
  • Cures to a white finish
  • Sandable and machinable
  • Won't Shrink
  • Resistant to water and most solvents
  • Size: .85 fl. Oz. syringe

What's in the box

  • Adhesive

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    Customer reviews

    4.5 out of 5 stars
    2,383 global ratings

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    Customers say

    Customers find the bonding adhesive easy to apply and able to withstand water. They find it useful and affordable. However, some customers dislike the color. There are mixed opinions on the adhesive quality and how quickly it dries.

    AI-generated from the text of customer reviews

    Select to learn more
    FunctionalityValue for moneyEase of applicationStrengthWater resistanceAdhesive qualityDries quicklyColor
    90 customers mention "Functionality"71 positive19 negative

    Customers find the bonding adhesive useful. They mention it works well for sealing cracks and holes on gel coat, even when submerged. It's easy to use and can be used underwater.

    "...+ Its at a great price point. + Easy to use + can be used underwater..." Read more

    "I used this to fix some marble kitchen sink anchors and it worked great. The bond is really strong but the application can get a bit messy...." Read more

    "I've used this for repairs on my gelcoat it works pretty good I've even taken some spray paint to try and blend the color because this won't match..." Read more

    "...That said, it's not the perfect fix because it WILL be visible. It's not superglue. You need to have this material all around the break...." Read more

    44 customers mention "Value for money"35 positive9 negative

    Customers appreciate the bonding adhesive's value for money. They find it easy to use, waterproof, and save money. The product has a long curing time but is worth it.

    "...+ Its at a great price point. + Easy to use + can be used underwater..." Read more

    "Product is outstanding, works very well." Read more

    "...Saved me a lot of money." Read more

    "...The color is not arctic white but slightly off white. Overall a good product at a fair price. Loctite branded products generally work well." Read more

    43 customers mention "Ease of application"33 positive10 negative

    Customers find the bonding adhesive easy to apply with a small brush or stick. It mixes well and sets quickly, making it suitable for underwater use. The epoxy is described as hard, strong, and waterproof, and mixes easily.

    "...+ Its at a great price point. + Easy to use + can be used underwater..." Read more

    "...Easy to use and so far stays attached & solid. I used this on the base of a 1 year old shower that had a small 3/8" chip...." Read more

    "...Once mixed. the product worked very well. It is easy to apply with a small brush or stick...." Read more

    "...The bond is really strong but the application can get a bit messy. I had to make sure to clean up quickly before it dried...." Read more

    41 customers mention "Strength"41 positive0 negative

    Customers appreciate the bonding adhesive's strength. They say it holds up well against microwaves and dishwashers, and has held up all season. The product is easy to use and can be used with fiberglass cloth for extra strength.

    "...In this case it will hold VERY well...." Read more

    "...The bond is really strong but the application can get a bit messy. I had to make sure to clean up quickly before it dried...." Read more

    "...Also holds the kayak up if I set it on the ground. Absolutely solid adhesion! Dries a fine white. Takes a while to cure though...." Read more

    "...Easy to use and so far stays attached & solid. I used this on the base of a 1 year old shower that had a small 3/8" chip...." Read more

    34 customers mention "Water resistance"32 positive2 negative

    Customers appreciate the bonding adhesive's water resistance. It seals leaks in rain barrels, kayaks, and boats. They find it useful for repairing anything that gets wet.

    "...24 hours after patching, i am pleased to report that the shell is now leak fee. + Its at a great price point. + Easy to use..." Read more

    "...both the rubber skeg and the fiberglass on the boat, and got a solid seal...." Read more

    "...The waterproof nature of this makes it great for all kinds of jobs. I called Igloo when the screw cap cracked on a 6 gal...." Read more

    "Seals correctly" Read more

    39 customers mention "Adhesive quality"27 positive12 negative

    Customers have mixed opinions about the adhesive quality. Some say it adheres well and holds firmly, while others mention it's not superglue and doesn't adhere well, or that it leaked and hardened.

    "...Holds firmly, even when the skeg it's supporting the boat when I launch too close to shore and the skeg drags along the ground until I can get clear..." Read more

    "...Easy to use and so far stays attached & solid. I used this on the base of a 1 year old shower that had a small 3/8" chip...." Read more

    "...It's not superglue. You need to have this material all around the break. Think of it as a cast for a broken limb...." Read more

    "...its smooth glossy texture, color, low (nearly non-existent odor), and adhesion...." Read more

    26 customers mention "Dries quickly"10 positive16 negative

    Customers have different views on the bonding adhesive's drying time. Some say it dries hard and white, while others mention it doesn't dry after three days and takes too long to dry.

    "...It dries very shiny. As it's going on like a cast, it will be a big white shiny blob...." Read more

    "...Absolutely solid adhesion! Dries a fine white. Takes a while to cure though...." Read more

    "...and if you don't wipe it off after gluing it together, the white will NOT dry clear...." Read more

    "After 3 handymen failed to seal cracked tub drain. I was able to do it myself, and repair tub drain cracks using Loctite 1919324 Marine Epoxy...." Read more

    22 customers mention "Color"6 positive16 negative

    Customers dislike the color of the bonding adhesive. It has a slight yellow tint, making their white shower look horrible after application. The color wears off and the epoxy doesn't stay white, turning more yellowish after a few weeks, possibly due to chlorine.

    "...As it's going on like a cast, it will be a big white shiny blob. The only exception is when the epoxy is inside of a part...." Read more

    "...is white but after it totally dries it is not white but a little creamy color or off white! Easy to use and so far stays attached & solid...." Read more

    "...It dries hard and it is white. It's more liquid than the other epoxy I normally use, so you need something to mix the two compounds with...." Read more

    "...The only downside is that it did yellow with age and use, so now it is quite noticeable against the off-white shower base...." Read more

    Good Fix, but Be Careful with Application
    4 out of 5 stars
    Good Fix, but Be Careful with Application
    I used this to fix some marble kitchen sink anchors and it worked great. The bond is really strong but the application can get a bit messy. I had to make sure to clean up quickly before it dried. It takes a little time to cure but overall, it does the job. Would recommend just be careful with how much you use.
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    Top reviews from the United States

    • Takomsa
      5.0 out of 5 stars Works great with a few limitations
      Reviewed in the United States on April 16, 2020
      Size: 1 PackVerified Purchase
      Overall, I love using this product. I've fixed more items than I can remember.

      That said, it's not the perfect fix because it WILL be visible. It's not superglue. You need to have this material all around the break. Think of it as a cast for a broken limb. It will allow the limb to be used, but if you want a strong hold, it's going to be obvious. It dries very shiny.

      As it's going on like a cast, it will be a big white shiny blob. The only exception is when the epoxy is inside of a part. In this case it will hold VERY well. When it’s visible, I've tried coloring it with sharpies, but the color will wear off and you'll be back to white. I've also tried mixing enamel color into the wet epoxy, but it didn't give me the color I wanted, so I didn't use it.

      I've used this on my truck's engine when the plastic retainer for the throttle was broken by the mechanic (and he didn't take responsibility for breaking it). As the throttle linkage is immediately above the engine, it has held up to the engine heat for 5 years now.

      I've also found you can sand this epoxy. It finishes quite nicely with wet emery cloth.

      People who have stated in reviews that the directions show it won't work underwater .. didn't read ALL of the directions. At the very end of the directions it states it will work underwater, but it takes longer to cure.

      On the slightly negative side: 1) The white blob .. no getting around that. 2) It will break if enough shear force is applied and there have been several plastic toys that it wouldn't hold properly. 3) It also takes quite a while to harden which can prove to be VERY frustrating when trying to repair something. It's fairly fluid when it's first mixed. A few times I've used super glue to hold the parts together and then slathered the epoxy all around the break. This style of repair has worked a number of times. A few times I've also waited 10-15 minutes for the epoxy to start to thicken a bit before applying it.

      Overall, it can work for many applications .. I've even used it for filling damaged spots in our almost white ceramic floor tile and then sanded it down with wet emery cloth to remove the gloss finish.
      43 people found this helpful
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    • Hsien De Hsieh
      5.0 out of 5 stars Works very well in my shower.
      Reviewed in the United States on November 6, 2024
      Size: 1 PackVerified Purchase
      Really like this product. This is the third product that I tried with the small chip that I have in my shower, and it is still there. Follow a few simple steps....
      1. Dry and clean the chipped area very well.
      2. sand the area a bit with sand paper. So, when you apply the epoxy it will stick to it.
      3. clean it again with rubbing alcohol, to make sure the area is completely clean of the any residue that you just sand off in step 2.
      4. Mix well the epoxy in a flat cap, or any disposable thicker plastic thing that you are going to throw away. Make sure it's mixed well.
      5. Apply the mix to the area and let it sit. I know it's says it's ready to use after 2 hours. I let my sit over night just to make extra sure.
      2 people found this helpful
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    • Rad Reviews
      5.0 out of 5 stars This epoxy is great!!!
      Reviewed in the United States on July 12, 2020
      Size: 1 PackVerified Purchase
      I have a crack in my pool filter housing. That fiberglass shell is upwards of $1,000 to replace.

      So i decided to try and patch the crack with this epoxy. I disassebled the filter housing, and patched the crack inside and outside. I then covered both inside and outside patches with flex-tape. 24 hours after patching, i am pleased to report that the shell is now leak fee.

      + Its at a great price point.
      + Easy to use
      + can be used underwater
      + I like the way the epoxy is I have packed the item for shipment. together in two attached tubes. That makes it very easy to extrude the same amount of both liquids.

      -I just wish it would cure just a little faster.

      Overall i am very satisfied with this marine epoxy. I will use it again and highly recommend it.
      Customer image
      Rad Reviews
      5.0 out of 5 stars
      This epoxy is great!!!

      Reviewed in the United States on July 12, 2020
      I have a crack in my pool filter housing. That fiberglass shell is upwards of $1,000 to replace.

      So i decided to try and patch the crack with this epoxy. I disassebled the filter housing, and patched the crack inside and outside. I then covered both inside and outside patches with flex-tape. 24 hours after patching, i am pleased to report that the shell is now leak fee.

      + Its at a great price point.
      + Easy to use
      + can be used underwater
      + I like the way the epoxy is I have packed the item for shipment. together in two attached tubes. That makes it very easy to extrude the same amount of both liquids.

      -I just wish it would cure just a little faster.

      Overall i am very satisfied with this marine epoxy. I will use it again and highly recommend it.
      Images in this review
      Customer image
      13 people found this helpful
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    • Konrad Nowak
      4.0 out of 5 stars Good Fix, but Be Careful with Application
      Reviewed in the United States on February 7, 2025
      Size: 1 PackVerified Purchase
      I used this to fix some marble kitchen sink anchors and it worked great. The bond is really strong but the application can get a bit messy. I had to make sure to clean up quickly before it dried. It takes a little time to cure but overall, it does the job. Would recommend just be careful with how much you use.
      Customer image
      Konrad Nowak
      4.0 out of 5 stars
      Good Fix, but Be Careful with Application

      Reviewed in the United States on February 7, 2025
      I used this to fix some marble kitchen sink anchors and it worked great. The bond is really strong but the application can get a bit messy. I had to make sure to clean up quickly before it dried. It takes a little time to cure but overall, it does the job. Would recommend just be careful with how much you use.
      Images in this review
      Customer image
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    • Customer Review
      5.0 out of 5 stars Attached a skeg to bottom of kayak
      Reviewed in the United States on July 28, 2020
      Size: 1 PackVerified Purchase
      I have an Epic GPX Ultra kayak that didn't trek as well as I had wanted it to. Used this to adhere a low profile skeg to the bottom of my boat. Scuffed both the rubber skeg and the fiberglass on the boat, and got a solid seal. Holds firmly, even when the skeg it's supporting the boat when I launch too close to shore and the skeg drags along the ground until I can get clear and not bottom out. Also holds the kayak up if I set it on the ground. Absolutely solid adhesion! Dries a fine white. Takes a while to cure though. Make sure what you're bonding has at least an hour to cure before you put any light load on it, and 24+ hours to be safe for full on use. I used the cap to seal the rest (I only used 1/3 of the dual tubes and I was being generous) to use for future projects.
      11 people found this helpful
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    • Rob in VA
      5.0 out of 5 stars A must-have for fixit types!
      Reviewed in the United States on June 30, 2024
      Size: 1 PackVerified Purchase
      I've repaired many hard plastic items that cracked due to age or poor manufacturing. ASAP after the crack is discovered, use superglue/cyanoacrylate IN the crack, sand the outside and apply the marine epoxy to strengthen the repair. The waterproof nature of this makes it great for all kinds of jobs. I called Igloo when the screw cap cracked on a 6 gal. water jug, hoping to get the part. "Buy a new one; we don't sell those caps." was their reply. Right! I sanded, cleaned the cap, used the marine epoxy and have used it for three years now. I also fixed the screw-on connector for a hand-held shower, and the handle for a rotary cheese grater. If you're a JB Weld kind of person, keep this in your fridge!
      One person found this helpful
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    • gg
      5.0 out of 5 stars Seals
      Reviewed in the United States on November 20, 2024
      Size: 1 PackVerified Purchase
      Seals correctly
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    • Long Gone
      3.0 out of 5 stars Doesn't dry and stay really white!
      Reviewed in the United States on February 26, 2023
      Size: 1 PackVerified Purchase
      It says it is white but after it totally dries it is not white but a little creamy color or off white!
      Easy to use and so far stays attached & solid. I used this on the base of a 1 year old shower that had a small 3/8" chip. Other than color I am happy with this.
      6 people found this helpful
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    Top reviews from other countries

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    • Flor JM
      5.0 out of 5 stars Reparación caja refrigerador
      Reviewed in Mexico on June 13, 2022
      Size: 1 PackVerified Purchase
      Pegó muy bien la caja de verduras del refrigerador, me preocupaba qué por el frío y la humedad pudiera despegarse pero de verdad ha resistido muy bien
      Report
    • Candice Navaroli
      5.0 out of 5 stars Works great underwater for vinyl sided pool fixes
      Reviewed in Canada on July 19, 2021
      Size: 1 PackVerified Purchase
      Works great underwater for vinyl sided pool fixes
      Report
    • Amazon Customer
      4.0 out of 5 stars Waterproofing epoxy
      Reviewed in India on December 5, 2019
      Size: 1 PackVerified Purchase
      The instructions are clear. It does what it says!!
      Report
    • Mr. D. P. Blake
      5.0 out of 5 stars Worked in the pool
      Reviewed in Australia on September 21, 2021
      Size: 1 PackVerified Purchase
      Glued underwater PVC pipes in the pool!
      Report
    • RODOLFO
      5.0 out of 5 stars Cumple lo descrito
      Reviewed in Mexico on July 15, 2022
      Size: 1 PackVerified Purchase
      Excelente producto lo usé para reparar un tinaco de agua quedó súper bien
      Report