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Crack repair Knot fill

2 oz. Starbond Black CA + 6 oz. Aerosol Accelerator Bundle

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Product Features Product Description SDS / TDS Safety Data Sheet & Technical Data Sheet Reviews

    KBL-500 Starbond Black Medium-Thick CA Glue (Medium Thick)

  • PREMIUM CYANOACRYLATE SUPER GLUE - LAB TESTED FOR OPTIMAL PERFORMANCE: High performance industrial grade adhesive. Black Medium-Thick CA is used to bond parts, with focus on impact and shock absorbance qualities.

    2 ounce includes: (2) applicator caps, (1) clog-free stopper, and a bag of micro-tips for precision.
    16 ounce includes: (1) Easy dispensing yorker spout, (3) empty 2 ounce bottles, (4) applicator caps, (1) clog-free stopper, and a bag of micro-tips for precision.

  • STRONG "BONDING AND FILLING" ADHESIVE: ideal for spalted wood and burl, hiding imperfections, filling dark voids, and accenting specific areas in your projects.

  • PROPERTIES: Viscosity: 500 cPs (meaning the thickness of the liquid is similar to that of syrup). Penetrating abilities of up to 0.008" in size. Bonding time: 40-60 seconds.

  • SUPERIOR SHELF LIFE: When well kept, our product can last several years in a cold environment. Just make sure to store the bottle under 40°F before AND after use to QUALIFY FOR OUR 20 month shelf life warranty. If product does not last, we will replace that bottle free of charge.

    Starbond Aerosol Accelerator

  • SUPER GLUE ACCELERATOR - SPEED UP THE BONDING TIME: No more waiting! Cures CA glue in seconds.

  • NO MORE WHITENING: When superglues dry too fast, you'll end up with whitening or "hazing" of the bonding surface. Our specially formulated CA accelerator is made to dry slightly slower than other accelerators on the market to prevent this effect.

KBL-500 Starbond Black Medium-Thick CA Glue (Medium Thick)

Starbond KBL-500 Black Medium-Thick CA glue is a flexible, rubber-toughened super glue that dries jet black in color. The KBL-500 is ideal for hiding imperfections, filling dark voids, and accenting specific areas in your projects. Along with impact and shock absorbing properties, the black CA retains favorable qualities such as the ability to be sanded down and polished to a high gloss finish. Additionally, when infiltrating fractures, pores, and soft material, the adhesive is able to expand and contract with its surrounding malleable environment, preventing cracking. Starbond KBL-500 Black Medium-Thick CA glue is commonly used in reconing speakers, hobby RC car tires, woodturning inlays, burl, and spalted wood. heavy duty bonding, and filling voids.

It is important to keep in mind that the colored CA glues have an extended bonding time due to the added rubber compound. Although bonding time is generally 40-60 seconds, it can take much longer to dry when larger volumes of the colored adhesive are applied. For these instances, use of Starbond Accelerator is highly recommended.

WARNING This product can expose you to chemicals including Carbon Black and Methyl isobutyl ketone, which is known to the State of California to cause cancer. For more information go to

Used In:

  • Accenting designs on spalted wood
  • Bonding dissimilar materials such as wood, metal, glass and rubber
  • Creating a black accent on projects
  • Gluing R/C Car tires
  • Threadlocking in R/C cars
  • In speaker manufacturing, bonding top plate to frame, spider to voice coil, spider assembly to frame, spider to cone assembly, dustcap to cone, gasket to surround, surround to frame or cone, cone to coil connections, dressing lead wires to cone, and select dustcap applications.
  • Repairing and filling cracks, inclusions, voids, and knots in wood

Compatible With:

    • Wood
    • Metal
    • Rubber
    • Leather
    • Ceramics
    • Gemstones
    • Rocks & Minerals
    • Carbon Fiber
    • Fiberglass
    • Most Plastics

Available in 2 ounce, 16 ounce, and 44 lb. (20kg)

Starbond Super Glue Accelerator

Starbond Super Glue Accelerator, also known as CA glue "activator," is used to significantly increase the drying time of cyanoacrylate super glues. The CA glue accelerant is a solvent based product that can be applied before and/or after CA glue application. Starbond Super Glue Accelerator is commonly paired with thicker viscosity CA glues and black CA glue, as these adhesives take longer to dry. In addition, Starbond Super Glue Accelerator is useful when priming uneven surfaces or material combinations that are harder to bond, and in colder, drier environments where curing time may be delayed. Starbond Super Glue Accelerator comes in pump sprayer and aerosol form.

WARNING This product can expose you to chemicals including N,N-Dimethyl-p-Toluidine, which is known to the State of California to cause cancer. For more information go to

  • Used to cure the CA that flows from joints that are being pressed together, greatly enhancing the joints strength
  • When using higher volumes of CA during gap filling applications, bonding time may take much longer, so Accelerator is highly recommended

    Customer Reviews(20)

    I always have a bottle on hand
    This product is a shop essential for me. When I'm dealing with knots and cracks, i use starbond to fill those voids with the accelerator spray. Not only is it a quick and easy process, but the finish result looks amazing and really enhances the look. I no longer avoid knots and cracks, i actually enjoy putting them in pieces now that i have Starbond. Ive been using this product for over a year now and have had great success. The product comes with multiple tips just in case you accidentally let the glue dry like i did, so those come in handy. Tip for when you're done using the product, when you place the bottle on the table, give it a little tap at the bottom, this will help the glue come back down so you can keep the tip clean for storage.
    Review by Mullaney Woodworks / (Posted on 1/9/2020)
    Great products
    The black CA looks classy compared to clear Dollarstore CA which I used to use, and the accelerator works for that CA glue also! Very good products. Cuts my crack fill times tenfold.
    Review by ColeMakesStuff / (Posted on 12/30/2019)
    The best there is
    So this product is a lot like many of the other epoxies on the market except in one way... it finishes THE BEST when your product is done. When filling the small cracks and voids, after the appropriate sanding - there is no better product to finish with. Amazing stuff... countless uses!
    Review by CalitoMoWood / (Posted on 12/30/2019)
    You need it...
    Not sure how I managed cracks prior to this. It is so easy to fill cracks, small voids etc. I am primarily a woodturner & it works so great & makes for beautiful accents.
    Review by Curl of the Burl / (Posted on 12/30/2019)
    A must have in the wood shop
    I use this stuff on many projects that need little voids or bug holes filled. My only gripe is how gunked up the tips get after a while but they do send extras in the kits which is nice. Highly recommend!
    Review by Scott / (Posted on 12/30/2019)
    Amazing Product
    This is a absolutely wonderful. This product is the best solution for me when filling voids and checks for various applications especially on my table tops. I highly recommend this product!
    Review by Tangle Woodworks / (Posted on 12/30/2019)
    This is the greatest product I have used for quick projects and void fills. I constantly use CA glue for small projects so that I can keep working and not wait for hours on wood glue to dry. The black CA glue fills small cracks and voids in my cutting boards and projects so well; there is no color bleed or staining of the surrounding wood.
    Review by Boardstiffdesign / (Posted on 12/29/2019)
    Great product
    I use it all the time
    Review by Ed / (Posted on 12/25/2019)
    Great product!
    Love this stuff!!
    Review by Jeremy / (Posted on 12/21/2019)
    Best small crack/void filler!
    Simple as this. Don't wand to waist time mixing epoxy for a small void or crack. This does the job in seconds and looks amazing when finished. Keep this in your shop and you will use it more than you would expect. The accelerator is cool to!
    Review by Walls WoodWorks / (Posted on 12/9/2019)
    Table top magic!
    Love how quick this is to fill knot holes! Its been a life saver for quick projects and has made my tabletops smoother!
    Review by Awesome product!!! / (Posted on 12/1/2019)
    This ca glue works amazingly well! I use it to fill voids in multiple woodworking products without issue. Easy to use and looks great after curing. The extra tips are great too so that you can put as little or as much ca glue as your want to a specific area.
    Review by My Honey's Handmade / (Posted on 11/25/2019)
    Great product! Very glad I decided to use it.
    I’m so happy with this glue! I originally purchased it to use for filling cracks/voids in the cutting boards I make and it hasn’t disappointed. The jet black colour is a nice contrast to many of the hardwoods I use. It comes with extra tips and everything you need. The accelerator is nice to have too for when you don’t have time to just let it sit. Make sure to fill voids in layers though. I mistakenly didn’t layer my glue a couple times and you’ll end up with more holes to fill so make sure to do it right the first time. My only regret is I didn’t buy the larger option first, I’ll be ordering again very soon!
    Review by @42ndparallelwoodworking / (Posted on 11/25/2019)
    Use it on almost every project
    This black CA glue has been a huge time saver on almost every project. I use it every time I work with dark woods as it stabilizes holes and cracks in just seconds, sands away nicely, and blends in perfectly. No more mixing up epoxy to fill tiny voids and waiting for it to cure. This stuff is a must have!
    Review by Porush Woodworking / (Posted on 11/19/2019)
    Works great
    Works just like advertised. I use it to fill cracks or imperfections in darker hardwoods. It has a very quick turnaround time.
    Review by Ethan / (Posted on 11/19/2019)
    Thumbs up
    I didn’t have any epoxy and this worked perfectly. Used the accelerant and was back in business in no time. Great product.
    Review by Michelle / (Posted on 11/19/2019)
    Amazing and easy
    I'm amazed by this product, I use mainly thick black to fill gaps in wood, and to glue little pieces of dark wood, love the texture when it's dry, I try to make cool effects too. I'm very happy the way it looks after sanding.
    Best glue ever!
    Review by Ben / (Posted on 11/19/2019)
    Essential in Any Shop
    This stuff is liquid gold! It has saved my butt multiple times with quick repairs to chip offs, making jigs and any and all small adhesive jobs. This is a NECESSITY for small knot and crack fills. Definitely reccomend getting the accelerator! You'll be back up and running in minutes!
    Review by Seth / (Posted on 11/19/2019)
    Quick and easy
    This stuff is gold. It works so quickly with the activator and way quicker than waiting around for epoxy to dry. Massive time saver and fills voids and cracks easily. Highly recommended for anyone
    Review by Nick brown / (Posted on 11/17/2019)
    An essential tool for woodworking
    I use epoxy in most, if not all of my woodworking project. There is nothing more disappointing then getting close to finishing and finding cracks, voids or imperfection after you’ve already spend countless hours sanding. No one wants to wait another 24 hours for more epoxy to cure. I would usually find myself saying “I’ll get this done tomorrow” and then never getting to it. as a hobby woodworker When you have time you need to take advantage. Starbond is the perfect fix that doesn’t hinder your work flow. Find a crack fill it and keep going. Can’t Imagine working without it now.
    Review by Justinporrodesigns / (Posted on 11/17/2019)

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