Yes, epoxy will stick to Bondo. But it would be like tabbing drywall in with carbon fibre- the stuff underneath will just disintegrate, and the whole thing fails anyway. Epoxy, with the thickening filler of your choice, would seem to be the way to go.
What does epoxy not stick to?
Epoxy sticks well to wood, metal, and stone. For a strong bond to be formed, the surface should be well cleaned and free from contaminants like oil. Epoxy does not stick to polythene and plastic-like material like PVC Pipes, and acrylic. It also bonds badly with rubber.
How does epoxy bonding work?
This means that, depending on the material, the epoxy resin in its liquid form wets the surface of the material it’s bonding to and enters into small microscopic holes within the material it’s bonding to. Once it hardens, it hardens even in the inside of those tiny holes and creates a bond.
Does Bondo stick to galvanized metal?
Not only does it adhere to galvanized metals, but it is easy to mix, easy to apply, and provides for clog-free sanding. Many repair products do not properly adhere to galvanized metal. Bondo Ultimate does. Bondo Ultimate can be applied directly over sanded and cured primer and paint.
Can you use Bondo all purpose putty for repairs?
Same-Day Repairs with Bondo. Bondo All-Purpose Putty is a professional strength, versatile filler for repairing interior and exterior surfaces around the home. This fast-curing 2-part filler allows you to make high-quality, long-lasting repairs to metal, masonry, concrete, painted wood, drywall and more.
Can you put fiberglass resin over Bondo?
By combining Bondo with Fiberglass Resin you end up with a fast setting form patch material impervious to concrete. It's simple: Mix each with their respective hardeners before combining the two and applying. You can vary the ratios for a firmer mix (more Bondo) or a more liquid mix (more resin).
Is Bondo and epoxy resin?
Bondo is an epoxy with fillers so, in a way, you're both right. I'd suggest using Famowood wood filler as an alternative. It's considerably less expensive and performs quite well.
Can you put epoxy over fiberglass?
One reason that an epoxy product such as WEST SYSTEM® Epoxy is so useful for fibreglass boat repairs is that it's an incredibly effective adhesive. It creates a resilient bond to fibreglass, cured polyester laminates, wood and metals – even when you only use a thin film.
Will polyester filler stick to epoxy?
We know polyester gelcoat can be used over WEST SYSTEM Epoxy. As Jeff Wright wrote in “Polyester Over Epoxy” in Epoxyworks 22: “As with many products, the surface must be prepared properly: if it is not, then poor curing and adhesion may result. Polyester materials can be affected by amines in the epoxy hardener.
Can you use resin hardener with Bondo?
Bondo fiberglass resin liquid hardener is designed specifically for use with Bondo fiberglass resin and Bondo metal reinforced filler. This hardener is easily mixed with resin or filler; a chemical reaction creates an extremely strong, waterproof repair material.
Is Bondo waterproof?
Bondo Fiberglass Resins and Repair Kits are 100 percent waterproof. Because they do not shrink, they are excellent sealers. Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond.
Which is stronger fiberglass or epoxy?
Stronger. Epoxy resin can be as much as 35% stronger than the resin used on a fiberglass board. This makes an epoxy board an ideal choice for those who are beginners and prone to dings, kids and teenagers, those who are on and off planes in pursuit of the perfect wave, and those who surf near rocks.
Which epoxy is best for fiberglass?
polyester, WEST SYSTEM Epoxy is the better choice for repairing fiberglass boats. It has excellent adhesive qualities, wets out fiberglass fabrics and it is tough. It has great thin film cure characteristics, cures in cool temperatures and has a long shelf life.
What is a good epoxy for fiberglass?
To repair fiberglass and gelcoat, you need a low-viscosity epoxy such as a traditional 5:1 system or a 2:1 epoxy system, silica thickener to thicken the epoxy, if needed, and fiberglass cloth for repair patches.
Will epoxy eventually cure?
You cannot leave the sticky resin, as it will not harden after time, it will remain sticky. You will have to either throw your item away or fix the problem. In order to avoid the problem all together make sure to do the following: You must measure out your resin and hardener precisely.How to harden Sticky Resin – What to do if Epoxy doesn't hardenhttps://acrylgiessen.com › how-to-harden-sticky-resinhttps://acrylgiessen.com › how-to-harden-sticky-resin
What is difference between polyester resin and epoxy resin?
Epoxy is more resistant to wearing, cracking and peeling, and corrosion or damage from chemical or environmental degradation. Polyester is more fragile and useful for temporary fixes, or low-stress use. Epoxy is generally more expensive than resin, due to its strength and formulation requirements.What is the Difference Between Epoxy and Polyester Resin?https://www.pcepoxy.com › what-is-the-difference-betwee...https://www.pcepoxy.com › what-is-the-difference-betwee...
Why is my resin bendy after a week?
In most cases, the reason you have resin that bends is due to the fact that the resin needs more time to cure. After 24 hours, ArtResin will be at a 95% solidity rate. If you attempt to curve or move the resin before that 24 hour mark, the resin will likely bend.How To Prevent Bendy Resin - ArtResinhttps://www.artresin.com › blogs › how-to-prevent-bendy...https://www.artresin.com › blogs › how-to-prevent-bendy...
How do you prepare fiberglass for epoxy?
For good adhesion, epoxy bonding surfaces should be clean, dry and sanded. Epoxy bonding surfaces must be free of any contaminants such as grease, oil, wax or mold release. Clean contaminated surfaces with lacquer thinner, acetone or another appropriate solvent.
How do you apply resin to fibreglass?
0:281:29Applying Fiberglass Fabric with WEST SYSTEM Epoxy - YouTubeYouTubeStart of suggested clipEnd of suggested clipUse a plastic spreader to spread the epoxy around to all areas of the fabric. Apply enough epoxy toMoreUse a plastic spreader to spread the epoxy around to all areas of the fabric. Apply enough epoxy to saturate the cloth and to penetrate the surface below use a roller or brush to apply the epoxy.
Will epoxy stick to gelcoat?
Typically, gelcoat isn't recommended over epoxy because they're chemically incompatible and the gelcoat won't adhere properly.
Can you use epoxy resin on fiberglass surfboard?
But the most important thing you have to realize: if you have an epoxy surfboard, fix it with epoxy resin. If you have a PU surfboard you can actually fix it with epoxy resin or polyester resin, but it's better to fix it with polyester resin.
Which is better, Quick Fair System 3 or Bondo?
Quick Fair System 3 is an epoxy filler that would be a better choice over Bondo and its cheaper then 3M Premium
Can you use Bondo on boats?
Bondo is not for boats. Neither are the 200 other products that look and feel just like it. Polyester-based car body fillers just don't hold up in a wet environment. Yes, epoxy will stick to Bondo. But it would be like tabbing drywall in with carbon fibre- the stuff underneath will just disintegrate, and the whole thing fails anyway.
Is bondo epoxy good?
Bondo is not a good choice. It does not bond well in a wet environment. Yes epoxy with a wood filler is expensive compared to bondo, but it will bond well, give you a nice clean fair surface and last forever. West is not the only epoxy on the market. There are others that are just as good and less expensive. Look around. Try Boat Builder Central. http://boatbuildercentral.com/. There are other online sellers as well and they sell for far less than what it costs retail.
Is it better to judge epoxies by their properties or by their brand?
It's generally better to judge epoxies (and most materials, really) by properties rather than by brand. Compare the technical data sheets for a few that you can get at good prices, and you'll probably find one that's close enough in mechanical and chemical properties to your expensive brand.
Can you leave a trail on water with bondo?
You Dingbat! You can't leave a trail on water with the lightweight bondo that floats 'cause your trail will drift and you won't get home! You have to use old school bondo that sinks. Then it will sink and stay put so you can follow the trail home
What is the ratio of epoxy adhesive?
Because this epoxy adhesive has a 1:1 mixing ratio, there is no guesswork, making it easy to get the optimal mixture. Our adhesive is compatible with most bumpers and trim, including TPO and urethane bumpers. Epoxy adhesives are part of the class of adhesives called structural adhesives.
How long does epoxy adhesive take to cure?
Our two-part epoxy adhesive comes in separate tubes for ease of dispensing and mixing. Its quick curing rate gives a work time of 6 minutes and the adhesive is sandable in 30 minutes at 77°F.
What is epoxy used for?
Epoxy adhesives are widely used in a variety of industrial applications in the automotive industry . Epoxies may be used virtually anywhere high-strength bonds are needed along with resistance to environmental conditions. These adhesives are popular for their ease of use, mechanical strength, and chemical resistance.
Can bondo be used on bumpers?
Damage to bumpers can happen in a moment in a parking lot. Thankfully Bondo® Bumper and Flexible Part Repair can fix the damage from a slight impact that scrapes, punctures or cracks a bumper. In addition to bumpers, our adhesive may be used to repair flexible interior plastic components, including dashboards. Because this epoxy adhesive has a 1:1 mixing ratio, there is no guesswork, making it easy to get the optimal mixture. Our adhesive is compatible with most bumpers and trim, including TPO and urethane bumpers.
How many grits does bondo putty stick to?
Bondo putty** will stick to epoxy primer when sanded down to 120grit in the area of a low spot. Fibreglass long and short strain/standard filler/glazers, only adhere correctly when on bare metal and scuffed with 40 grit up to 120 depending on the product.
What is Bondo putty used for?
Bondo putty when compared to fill is used to fill pinholes and missed dents once the priming stage has already began.
Can Evercoat be used on 2k urethane?
However, there are other brands (evercoat) that are less picky. I've put Sherwin Williams brand (I forget what they called it) over 2k urethane primer, sanded to 120 and it was fine. In general, epoxy primer is supposed to be the stuff you can work on top of, however I've heard it's not exactly as good as it's made out to be.
Can you etch bare metal with primer?
My best suggestion and what’s practiced in the trade is fill dents, sand till flat to the touch, charcoal guide coat to make sure surface is flat. Etch baremetal with filler or wipe but do not etch your filler as the etching primer chemicals react to the hardeners in the fillers, but when surface priming you don’t need to worry about that.
What should material data sheets for your product tell you about?
Material Data sheets for your product should let you know about product adherence. Or your local paint shop/body shop should be able to let you know.
Does Bondo putty stick to epoxy?
Bondo putty** will stick to epoxy primer when sanded down to 120grit in the area of a low spot.
Can you prime over bondo bare metal?
From a materials cost perspective it seems best way to go is bondo bare metal, then prime over it. Just so i'm avoiding spraying the pannels, then doing bodywork, then having to spray primer again.
What is bondo resin?
Bondo Fiberglass Resin is the same high-strength polyester resin that is used to build most high-performance watercraft. Bondo Bondo-Hair Filler eliminates the need for fiberglass cloth, and Bondo Fiberglass Resin Jelly is a non-drip formula for vertical surfaces.
What is Bondo filler?
The Bondo brand offers a complete line of fillers and accessories - putties and glazes, undercoatings, and tools - for many applications including automotive, household, marine, hobby, and many others. The products can be used to repair and restore aluminum, wood, concrete, brick, metal, fiberglass, stone and sheetrock.
How long does it take to sand bondo resin?
Because they do not shrink, they are excellent sealers. Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond.
What is bondo all purpose?
Bondo All-Purpose Putty is a professional strength, versatile filler for repairing interior and exterior surfaces around the home. This fast-curing 2-part filler allows you to make high-quality, long-lasting repairs to metal, masonry, concrete, painted wood, drywall and more. Bondo All-Purpose Putty is slightly thicker than other formulations, excellent for repairing vertical surfaces such as doors, walls and siding.
How long has Bondo been in business?
Bondo has been engineering and manufacturing professional products for the traffic control industry for over 37 years. During this time Bondo has remained committed to understanding customers' needs and then developing products that meet and exceed those needs.
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Does Bondo Ultimate work on galvanized metal?
Any galvanized metal repair requires Bondo Ultimate. Not only does it adhere to galvanized metals, but it is easy to mix, easy to apply, and provides for clog-free sanding.
