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Of course you can. You can also scribble a mustache under the nose of a Picasso painting and use dirt as a condiment for your hotdog but none of these are good ideas. The question isn't one of whether or not it can be done but, what the chances of long-term adhesion are between the acrylic sealer and the epoxy coating.
As far as the two materials are concerned, it's really a pretty generic question because both epoxy coatings and acrylic sealers come in a multitude of different varieties and formulations. So, the answer will have to be equally generic.
First and foremost, any run-of-the-mill epoxy (bis-A, bis-F, novolac, water, solvent or 100% solids, etc.) will adhere, to one degree or another, to a clean, contaminant-free polymer treated surface as long as the formulation, mixing and application are done correctly. The chances of a higher rate of adhesion increase when a profiled surface (increased surface area) is available.
However, in the same way that a concrete foundation designed and poured to support a single-story residential home isn't well suited to support the weight and movement dynamics of a ten story building, a single-component acrylic sealer isn't well suited to act as the foundation for a two-component crosslinking epoxy. The long and the short of why this is true is simple:
- Acrylic sealers typically have a solids content of between 20-30%.
- This means that once the carrier (which is usually water or solvent), that makes up the counterpart to the solids content (70-80%) has evaporated, the solids are what remain on the surface as the dried sealer.
- When examined microscopically, the solid particles appear as individual and independent specks.
- Conversely, all two-component epoxies crosslink forming carbon chains, which make the epoxy coating a single sheet (like a roll of plastic) once it's cured.
- When exposed to enough stress (think foot or wheeled traffic) the individual solid acrylic particles can act as an epoxy bond breaker because they inhibit the epoxy coating from making full contact with the surface that it's intended to protect.
In summary, although it's not recommended and assuming the sealer is in tact, if an epoxy is going to be used to coat an existing acrylic sealer (for whatever reason), it would be best to use either a 100% solids or a water-based epoxy to avoid any possible attack from an epoxy containing solvent.
With all this said, the best approach is to fully strip and eliminate the sealer so that the epoxy coating can have access to a well prepared, open and porous surface.
It is generally not recommended to apply epoxy concrete sealer over acrylic sealer as they are not compatible products. Epoxy sealers require a clean, bare surface to bond properly, so it is best to completely remove the acrylic sealer before applying epoxy sealer for optimal results.
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What are the Good Points of Acrylic Plastic?
Acrylic plastic is lightweight, durable, and resistant to shattering, making it a popular choice for various applications. It is also transparent and can be easily molded into different shapes and sizes. Additionally, acrylic is weather-resistant and maintains its color and clarity over time.
What is epoxy glue used for at a crime scene?
Epoxy glue can be used at a crime scene to lift latent fingerprints from nonporous surfaces. It is applied over the fingerprint, allowed to harden, and then peeled off to preserve the print before it is examined by forensic experts.
Can you spray krylon h20 laytex paint over acrylic spray paint?
It is generally not recommended to spray Krylon H20 latex paint over acrylic spray paint, as the two types of paint may not adhere well to each other. It is best to stick with the same type of paint for optimal results.
Properties of phenolic resin why we prefer phenolic over epoxy resin?
Phenolic resins have excellent heat resistance, chemical resistance, and flame retardant properties, making them ideal for applications requiring high temperature, chemical exposure, or flame resistance. Phenolic resins also offer good mechanical strength and dimensional stability. Compared to epoxy resins, phenolic resins are typically more cost-effective and have better resistance to high temperatures and fire.
Can concrete poison kill you?
Concrete itself is not poisonous, as it is composed of cement, water, and aggregates. However, working with wet concrete can cause irritation to the skin, eyes, and respiratory system due to its alkaline nature. Inhaling concrete dust over a prolonged period may lead to respiratory issues, but direct poisoning from concrete itself is unlikely.
Can you put a clear epoxy over a latex concrete stain?
No, there is nothing for the Epoxy to bond to. The latex is creating a "bond breaker." You will need to use a water based or water born sealer with at least 20% solid acrylic. DO NOT USE solvent based sealers over latex. It will wrinkle the latex.
Is sealer required over garage floor epoxy paint with color chips?
You don't normally need sealer over epoxy, but the colour chips may be a reason to. I would check the can for comments on this.
Can you put epoxy over sealer on a overlayed concrete floor?
Yes there are certain kinds of epoxies that can be applied over SOME sealed floors. It depends on what type of sealer was used first. They tend to not bond well with some solvent sealers, but water based ones will work. You just have to use the right epoxy primer so it will bond
Can you tint sealer for concrete?
Certain acrylic sealers may be tintable but most water based stains require a topical sealer to be applied after you stain the concrete. We do make an all in one Trojan Color Sealer that incorporates a penetrating polyester sealer and UV resistant semi transparent stain in one product. The difference in our system is that it is not a topical that wears away over time. The polyester component fills the pores of the concrete and locks down the stain.
How do you seal concrete counter top?
Bare concrete is porous and vulnerable to chemical attack and stains. Hence a sealer is used to seal the concrete counter top. The sealer should be applied to the concrete in multiple thin coats versus rather than a thick heavy coat. For additional protection food-safe finishing wax can also be used over the sealer.
When do you need to etch concrete?
Usually when you're planning on going over it with additional concrete or cement, or in preparation for an epoxy or waterproofing coating.
Can you use an acrylic sealer on chalkboard paint?
Chalkboard paint is specifically designed to be porous in order for the chalk to adhere to it. Using a sealer of any kind over it will result in loosing the porosity or tooth, rendering the chalkboard useless.
Can you paint over epoxy paint with latex paint?
Yes, but it may not stay on very well. Besides, epoxy paints are very hard and wear resistant, while latex paints aren't. If the epoxy paint was needed the first time, repainting with something much less durable might not be such a wise move.
What kind of paint should you use on a concrete sidewalk?
Either concrete stain or block and stucco paint. I painted an eagle statue ,about three year's ago with oil colors and after it dried i put a coat of polycrylic, (by Min Wax) over it and and it still looks great.
Can you apply an epoxy coating over an existing epoxy coating that has peeled?
If your old epoxy is good then you can apply over it, but there are many facts to consider before applying over existing epoxy coating.
How do you paint over acrylic paint with epoxy paint?
I,v got over 20 years inpainting. application, you know...learned it the hard way. painting over epoxy is always tricky.( I,m talking about the two part epoxy) if you start with epoxy and stick with epoxy, usually you'lldo just fine. any kind of latex paintwill lift off of epoxy. oil paint will stick a bit longer, but that's coming up to.thewhole point of epoxy is to have nothingstickto its surfaceso thatit cleans easy.you can try and strip it, messy and time consuming. now your mixing chemicals. one tip.. take a piece of sand paper, sand a small area. if what you sanded leaves dust.. I would paint that. if balls up or rolls? its the same as painting over rubber. hopes this helps.
Can epoxy paste go over old epoxy paste?
Yes, it can.
