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Winsor & Newton

Winsor & Newton Watercolor Medium, Art Masking Fluid, 75ml (2.5-oz) bottle

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Availability: In Stock.
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Arrives Thursday, Jun 25
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Style: 2.5-oz Bottle


Color: Art Masking Fluid


Features

  • Art masking fluid is a pigmented liquid composed of rubber latex and pigment
  • For masking areas of work needing protection when color is applied in broad washes
  • Conforms to astm d4236
  • Comes in 75-mL bottle
  • Available in yellow color

Description

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Brand: Winsor & Newton


Color: Art Masking Fluid


Finish Type: Matte


Size: 2.54 Fl Oz (Pack of 1)


Item Volume: 75 Milliliters


Special Feature: pigmented


Unit Count: 2.536 Fluid Ounces


Paint Type: Acrylic


Specific Uses For Product: Interior


Surface Recommendation: Paper


Brand Name: Winsor & Newton


Paint Type: Acrylic


Specific Uses For Product: Interior


Surface Recommendation: Paper


Indoor Outdoor Usage: Indoor


Item Form: Liquid


Model Name: Winsor & Newton


Container Type: Bottle


Coverage: full


UPC: 884955017333


Global Trade Identification Number: 33


Manufacturer: ColArt Americas


Part Number: 3221759


Model Number: 3221759


Item Weight: 0.09 Kilograms


Age Range Description: All Age Range


Special Features: pigmented


Water Resistance Level: Not Water Resistant


Size: 2.54 Fl Oz (Pack of 1)


Item Volume: 75 Milliliters


Unit Count: 2.536 Fluid Ounces


Color: Art Masking Fluid


Finish Type: Matte


Color Code: Not Available


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jun 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Reliable masking fluid. Works well and easy to remove. Reliable masking fluid. Works well and easy to remove.
Style: 2.5-oz Bottle Color: Art Masking Fluid
Review Image by AlbaCristal
Review Image by AlbaCristal
Review Image by AlbaCristal
I’ve used this masking fluid for years, and it has never let me down. Recently, I tried switching to a different brand but eventually went back to this one because it works perfectly for me. After drying, it doesn’t let water through, and I don’t have much trouble removing it. Just keep in mind that it has a strong smell, though not overwhelming. Here are some tips I’ve learned over time, if it helps anyone: - The best way to apply this or any masking fluid is with a silicone tip. It’s soft and allows you to spread the fluid evenly. Using brushes can damage their bristles, but if you choose to use one, select an old brush or one you don’t mind getting stained. Be sure to wash it immediately after applying the fluid to prevent it from drying on the bristles. - Since this masking fluid has a beige-yellowish tint, the longer you leave it on, the more it can stain the paper. - It can be removed relatively easily with your fingers or a curved tool that won’t damage the paper. Always be very careful, especially with 100% cotton paper, as it’s more delicate (and expensive!). It’s a good idea to test the masking fluid on a separate piece of paper before applying it to your final work. ... show more
Reviewed in the United States on September 5, 2024 Reviewed in the United States on September 5, 2024 by AlbaCristal
    • Tiny sheep.
Style: 2.5-oz Bottle Color: Art Masking Fluid
I used this to make little dots on a hill and painted over the dots (I'm a beginning watercolorist) and then rubbed the stuff off (came off very easily) added four tiny legs to each white dot and a tiny black triangle for the face, and had sheep on a hillside! Anyway, the stuff works fine.
Reviewed in the United States on June 14, 2025 by BookCrone
    • Best masking fluid I have used.
Style: 2.5-oz Bottle Color: Art Masking Fluid
Excellent product! Easy to apply and remove when you’re ready. Benefit is it lasts a long time!
Reviewed in the United States on October 25, 2025 by Francesca
    • Does the trick
Style: 2.5-oz Bottle Color: Art Masking Fluid
This masking fluid seems to do the trick. This is my first purchase of such a substance for my paintings. It seems to work well for watercolors. It will turn a light yellow color, where you put it. Helps in seeing where it is when you go to remove it (especially if you have really white paper). A few things to note: It is quite liquid-y and runny. This is great if you plan to fling it about, as I did on a couple of paintings. Where I attempted to be a bit more cautious with my placement, it seemed to run a bit too much for my liking. I work flat with my watercolors, but if you work more upright, this could be a bigger issue. It really, REALLY, stinks. My bottle has a bit of a fun, dead fish, smell. Not pleasant. It really doesn't linger, which is a good thing. It WILL ruin any brush you use!!!! Do NOT use a good one. I don't care how fast you clean it out, you won't get this stuff out of the bristles. I used a wonky old thing to begin with, and am glad I did. Cotton swabs seemed to work okay, as well. Hope that helps someone. I plan to try other types/brands in the future. I would really like to compare. Also find something that is thicker in viscosity. Enjoy your painting! ... show more
Reviewed in the United States on May 24, 2021 by Aznewmom
    • Easy To Use Easy To Use
Style: 2.5-oz Bottle Color: Art Masking Fluid
Review Image by Paper Alias
The smell is a bit off-putting (definitely have good ventilation going while you use this) but it was super easy to use. You don't need a whole lot to cover the areas you want to mask. A thin layer is enough, and it's easy to remove (make sure your fingers are dry before you start to rub it off). If you use a brush, someone suggested applying a thin layer of soap to the bristles before dipping it into the fluid, and that seems to do the trick in protecting the brush. The off-white color makes it easier to see on white paper. Very nice product. ... show more
Reviewed in the United States on January 19, 2025 Reviewed in the United States on January 19, 2025 by Paper Alias
    • yippee to this masking fluid for watercolor!
Style: 2.5-oz Bottle Color: Art Masking Fluid
I’ve never used masking fluid before, and it’s a game changer! Instead of trying my hardest to keep white areas clear of color, this covers areas while painting, to be peeled off after, and voila, beautiful white paper underneath without hassle. I use a small dotting tool to brush the fluid over the paper on areas I want to keep white. You can also use this product over dried watercolor painted areas to preserve while painting over it. overall recommended for artists, if you haven’t tried masking fluid yet, I suggest you give it a try ... show more
Reviewed in the United States on January 29, 2026 by Breana Hernandez
    • A+ product!
Style: 2.5-oz Bottle Color: Art Masking Fluid
I love this for my watercolors! It works amazing well for blocking small areas where negative space is needed, or just keeping areas safe when you want to paint them after the majority of the field is flooded with color.
Reviewed in the United States on March 22, 2025 by nick
    • Necessities
Style: 2.5-oz Bottle Color: Art Masking Fluid
Love it!
Reviewed in the United States on March 19, 2026 by stephen pawlik

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