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Beside the chemisty involved, probably the most important difference to you is that oil based paints require a solvent such as mineral spirits (paint thinner) for clean up while acrylic paints only require water. Generally, an acrylic or latex water based paint is going to be easier for you to work with.
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∙ 14y ago
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∙ 9y ago- 1 coat epoxy = 60 coats of polyurethane paint - less finish appearance. requires more time to cure. Requires mixing of activator/catalyst with paint just before application, any not used after mixing must be thrown away. Requires min 50 Fahrenheit condition for application. Less UV tolerant. Hard.
- Polyurethane - good glossy finish. Expensive. No mixing of activator/catalyst with paint needed. Any temperature conditions possible to apply. Less curing time.
Wiki User
∙ 12y agoacrylic is 'water' based (or dilutable with water, anyway), and urethane is oil based.
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∙ 15y agoAcrylic is single pack and air drying, urathane hardens chemically,having an isocyanate based hardener mixed in before applying.
Wiki User
∙ 10y agoPolyurethane is more flexible and will not crack easly.
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Can you apply helman spar urethane over acrylic paint?
Yes, you can.
Acrylic Urethane Paint What does urethane paint mean Enamel car paint vs polyurethane car paint Can you use exterior poly urethane over paint What type of prep to paint urethane over enamel?
I am not familar with "Acyrlic Urethane" paint, but I wonder if it is a urethane base paint that is applied and dried, but later has an acrylic clear-coat overlayed to bring out additional gloss. Urethane is more expensive, but lasts longer and is more durable than enamel or acrylic paints. Urethane and polyurethane paints are basically the same thing - toxic paints that require a complete body suit, full mask, and gloves for safe spaying while wet. I believe that Urethane paints are not allowed to be sprayed without a license in California. Applying different manufacturers urethane paints over each other without the proper advance preparation can cause chemical reaction problems that discolor or flake the paint and void the paint OEM warranty. Each manufacturer has their own urethane additive or primer that may allow their OEM paint to be applied over the original paint. You have to check with the paint distributor or manufacturer for details on this. This paint additive or advance preparation step is how many aftermarket paint manufacturers can make their own blend of paints to match the car manufacturer original fleet colors. However, paints made over 20 years ago may have chemical components that are not compatible with newer paints and may fail when Urethane is applied over them. For example I have a 40 year old VW that has OEM baked enamel paint on engine parts. If I apply urethane paint over the enamel, it will start to flake because of the engine temperature and chemical reaction between the paints. The best solution I have found for this enamel problem is to not take a chance - I strip the parts down to the bare metal and paint with a primer and then a black gloss urethane. Since the gloss component is already mixed in, there is no need for me to overlay with a acrylic clear coat.
Should you use enamel or urethane to paint your car?
Yes, that was the original intention of urethane.
What should be put on top of acrylic paint on an outdoor chair?
If you are trying to protect a design, use three coats of acrylic polyurethane. If you are trying to repaint a chair that has been coated with acrylic paint, use acrylic paint again.
Can polyurethane be sprayed over an item painted with acrylic paint?
Yes, both oil and water-based polyurethanes will adhere well to an item coated with acrylic paint. If it is a polyurethane paint, dull the surface prior to painting. If it is a clear. realize that that oil based polyurethane will impart an amber hue while a water based polyurethane is crystal clear and will not affect the color.
What is acrylic urethane?
What is Acrylic Urethane? What makes it different from Acrylic enamel and Urethane or Polyurethane paint? How does it compare in terms of application and especially hardness to the other two types?
Can you apply spar urethane over acrylic paint?
Yes, you can.
Can you apply helman spar urethane over acrylic paint?
Yes, you can.
Acrylic Urethane Paint What does urethane paint mean Enamel car paint vs polyurethane car paint Can you use exterior poly urethane over paint What type of prep to paint urethane over enamel?
I am not familar with "Acyrlic Urethane" paint, but I wonder if it is a urethane base paint that is applied and dried, but later has an acrylic clear-coat overlayed to bring out additional gloss. Urethane is more expensive, but lasts longer and is more durable than enamel or acrylic paints. Urethane and polyurethane paints are basically the same thing - toxic paints that require a complete body suit, full mask, and gloves for safe spaying while wet. I believe that Urethane paints are not allowed to be sprayed without a license in California. Applying different manufacturers urethane paints over each other without the proper advance preparation can cause chemical reaction problems that discolor or flake the paint and void the paint OEM warranty. Each manufacturer has their own urethane additive or primer that may allow their OEM paint to be applied over the original paint. You have to check with the paint distributor or manufacturer for details on this. This paint additive or advance preparation step is how many aftermarket paint manufacturers can make their own blend of paints to match the car manufacturer original fleet colors. However, paints made over 20 years ago may have chemical components that are not compatible with newer paints and may fail when Urethane is applied over them. For example I have a 40 year old VW that has OEM baked enamel paint on engine parts. If I apply urethane paint over the enamel, it will start to flake because of the engine temperature and chemical reaction between the paints. The best solution I have found for this enamel problem is to not take a chance - I strip the parts down to the bare metal and paint with a primer and then a black gloss urethane. Since the gloss component is already mixed in, there is no need for me to overlay with a acrylic clear coat.
Should you use enamel or urethane to paint your car?
Yes, that was the original intention of urethane.
What should be put on top of acrylic paint on an outdoor chair?
If you are trying to protect a design, use three coats of acrylic polyurethane. If you are trying to repaint a chair that has been coated with acrylic paint, use acrylic paint again.
Can polyurethane be sprayed over an item painted with acrylic paint?
Yes, both oil and water-based polyurethanes will adhere well to an item coated with acrylic paint. If it is a polyurethane paint, dull the surface prior to painting. If it is a clear. realize that that oil based polyurethane will impart an amber hue while a water based polyurethane is crystal clear and will not affect the color.
Can you use acrylic paint over urethane enamel?
You could but it wouldn't last long. Urethane is a polymer and would be flexable to heat and cold, acrylic is a hard finish and would most likely crack or chip off.
What is better polyurethane or urethane in automobile paint?
All modern automotive refinishing systems are urethane based. Basecoat clearcoat is the most common, but there are still single stage products being used. As long as the top coat(either clear or single stage) is catalyst or hardener to cure,the finish will be durable. Polyurethane is for protecting your hardwood floors.
Is acetone used to thin paint?
No, it's used to thin and clean polyurethane and acrylic resins.
Can you mix oil paint with urethane paint?
Only if the urethane paint is not waterbased... Urethane Paint cannot be mixed with anything except other Urethane products. Urethane Paints do not work on the same principals as "oil based" paints. Oil Based Paints rely on evaporation to dry. Urethane cures. by chemical reaction.
Can you use urethane paint on porcelain mugs?
Yes, you can use urethane paint on porcelain mugs.
