Latex paints or acrylic paints are fast-drying water-based paints. Oil based paint is a slow drying paint made with oil.

Latex paints are generally better for the interior of homes and on large surfaces. Oil-based paints are generally used on metals, wood and for paintings. The difference between oil-based and latex paint lies in their composition, properties, and ease of use. The fumes of the oil-based paint are also known to be toxic to health and harmful to the environment and is hence a less popular choice in home furnishing.

Comparison chart

Latex Paint versus Oil Based Paint comparison chart
Edit this comparison chartLatex PaintOil Based Paint
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Composition Water-based Oil-based
Ease of Use Latex paint is thinner and easier to use. Oil-based paints are thicker and harder to use.
Finish Matte and Glossy Smoother; glossy
Time to dry 1-2 hours Days to weeks
Primer Primer is not required with latex paint. Oil based paints need primer.
Durability While latex paint is more easily stained, it does not crack or peel with time. While oil based paint is not easily stained, it may turn yellow and crack with time.
Odor Light Strong
Toxicity Latex paints are not toxic. Oil based paints can be toxic.
Availability of colors Fluorescent colors are only available in latex paints. Prussian Blue and Zinc white are only available in oil-based paints.
Price Upto 40% cheaper than oil-based paints Varies based on quality.
brittleness flexible more likely to chip
"elephante" (plastic sleeves in Latex Paint)
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"elephante" (plastic sleeves in Latex Paint)

Difference in Composition of oil-based and latex paints

Latex paints are water-based and contain a mix of water and acrylic polymer which makes this paint more flexible and likely to be used in areas exposed to heat and cold. Because it contains only water, it is less likely to feed mildew. Oil-based paint, however, contains oil (linseed oil), pigment and a thinner or solvent like turpentine. The oil makes the paint thicker and more prone to mildew.

coffin mask painted in Oil Based Paint
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coffin mask painted in Oil Based Paint

Ease of use

Oil-based paints are thicker and hence more difficult to spread. Various brushes and different rollers are required to use this paint whereas latex paints are thinner and much easier to use. Being thicker, oil-based paints take longer to dry than latex paints, and only one coat can be applied at a time, whereas multiple coats of latex paints can be applied to spread it more evenly.

Oil-based paints tend to have bubbles, and it is important to stir and not shake it before mixing. Latex paints do not develop bubbles while painting.

Latex paint are also easier to use as no priming is required before painting, while in case of oil-based paints, a priming coat is required to prevent it from peeling.

House Painting

Acrylic paints are more easily obtained and dry faster. However, they swell the grain of wood, and so it must be sanded between coats. Acrylic paints cannot be painted over steel unless used with a primer. They do not adhere to dirty or chalky walls, and are less durable in places with high humidity, such as bathrooms.

Oil paints go on more smoothly and cover more thoroughly in one coat, but this requires care. However, their fumes can be overwhelming. They are more adhesive, and so can be used on chalky surfaces. They also provide better coverage for stains.

Canvases

Acrylic paint can be applied to raw canvas.

Oil paint must be applied to properly sized and primed canvas, or else the canvas will rot.

Versatility

Acrylic paints can be used along with other materials, such as pastel, charcoal, pen. They can also be diluted to create a watercolor-like effect.

Oil paints are not as versatile.

Type of Finish

Oil-based paints have a glossy finish whereas latex paints are available both in a glossy and matt finish. One disadvantage of a glossy finish is that imperfections are easily visible.

Durability

Oil-based paint is more durable and stain resistant than latex paints. Latex paints take longer to cure and easily stained during that period. Once, cured latex paints last longer without cracking or peeling whereas oil-based paints may turn yellow or oxidize with age. This is the reason why oil-based paints are used for areas like kitchen, bathrooms, trims and other exteriors, whereas latex paints are used for interior painting, especially if used by amateur painters. On the other hand, if spilled, latex paints are easier to clean with soap and water than oil-based paint which requires a solvent or thinner for clean-up.

Availability of colors

Certain colors like Prussian Blue and Zinc white are available only in oil-based paints, and not in latex paints, whereas fluorescent colors are available only in latex paints.

Odor

Oil-based paint has a much stronger odor than latex paints. Thus, if you use oil-based paint make sure it is a well-ventilated area and allow the odour to diffuse before entering the room.

Toxicity

Oil based paints are toxic and hazardous to health, while latex paints, being water-based are not toxic.

Price

Price varies by brand and the finish, but in general, latex paints are cheaper (upto 40%) than oil-based paints.

Current prices of some of the popular paint brands are available on Amazon.com:

References

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