

🎨 Flow like a pro — paint with precision and vibrant control!
Winsor & Newton Professional Acrylic Medium Flow Improver (250ml) is a premium additive designed to enhance the flow of acrylic paints, enabling smooth, flat, and even color application without altering pigment strength. It supports hard edge painting techniques by maintaining color stability and slightly extending drying time, ensuring no color shift from wet to dry. Ideal for professional artists seeking precision and consistency in their acrylic work.














| ASIN | B0060KRND6 |
| Age Range Description | Adult |
| Best Sellers Rank | #10,755 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #268 in Art Paints |
| Brand Name | Winsor & Newton |
| Color | Flow Improver |
| Color Code | transparent |
| Container Type | Bottle |
| Coverage | Good |
| Customer Reviews | 4.6 out of 5 stars 7,778 Reviews |
| Dry Time In Hours | 24 |
| Finish Type | Satin |
| Full Cure Time | 1 Hours |
| Global Trade Identification Number | 00884955001851 |
| Included Components | 1 x WN Acrylic Flow Improver 250 ml, ACFAFI250 |
| Indoor Outdoor Usage | Outdoor |
| Is Waterproof | False |
| Item Form | Liquid |
| Item Height | 2.32 inches |
| Item Type Name | Winsor & Newton Professional Acrylic Medium Flow Improver, 250ml (Packaging may vary) |
| Item Volume | 250 Milliliters |
| Item Weight | 0.15 Kilograms |
| Manufacturer | ColArt Americas |
| Model Name | Winsor & Newton Professional Acrylic Medium Flow Improver, 250ml (Packaging may vary) |
| Paint Type | Acrylic |
| Size | 8.4 Fl Oz (Pack of 1) |
| Special Features | Fast-Drying |
| Specific Uses For Product | canvas |
| Surface Recommendation | Edge |
| UPC | 884955001851 |
| Unit Count | 8.4 Fluid Ounces |
| Water Resistance Level | Water Resistant |
F**D
No troubles here
Used this to make airbrush thinner. Works great, have yet to use it for painting but I'm excited to give it a go. Definitely buying again.
E**N
Great old reliable product
As described
C**S
In Response To the Question On Whether It Is "Really Matte" Along With Other Useful Information
I am not professional but have considerable experience with W&N matte varnish at least when airbrushing. In August 2021 I completed preparation of a middle earth poster (also purchased from Amazon) that came with a very glossy finish. After mounting but before framing I airbrushed the poster's surface with W&N matte varnish. The varnish removed the gloss making the map look more realistic. I took a photo with my cell phone (without flash) to show the effect. The left side of the map is how the entire poster actually looks to the eye. The right side of the map is a natural light bloom in the room . The important thing to note is how this skimming light is effectively scattered as it should be with a matte finish. I use this W&N varnish whenever I want a truly matte finish as was also done on this large model airplane. The photo was taken in bright sun and the matte varnish provided the desired dull military like finish while also eliminating any bright reflections. Again I only have airbrush experience with this varnish. When using it in this way a flow improver (also W&N) is - I believe - necessary. The varnish's viscosity and fast drying capability will clog up the airbrush without the flow improver. Also the varnish needs to be properly atomized for application and the flow improver does the job here as well. I add the improver to the airbrush cup in a mix with the varnish. The amount is best learned through experience. I set the airbrush pressure at about 30-35 psi. When airbrushing a little varnish goes a long long way. One additional note is that I have found the varnish to dry "clear" - that is not yellowing or changing the color of the underlying acrylic. (My experience seems to conflict with some other observations.)
N**E
Love the gesso, be careful of the container.
Love the gesso. It's been doing exactly what I want with my mixed media art. Only problem I have had was with the container. The tub slid off my table and cracked open pretty badly when it hit the floor. So be careful if you are clumsy, have an uneven smooth work surface or pets.... The cat immediately jumped in the puddle that poured out so had to clean up the cat as well as the floor. I have transferred all the gesso into jars so hopefully it doesn't get wasted.
S**Y
Super Smooth Paint-by-Numbers
I took up paint-by-numbers recently and was struggling with paint drying out as well as coverage issues. I was amazed when I started adding this to paint. A few drops in each mini tub of paint works miracles to guarantee better coverage. I really don't know how this works but instead of thinning the paint, like when I added water, it seems to thicken it making covering numbers and lines effortless now. Wish I could go back and redo all the paintings I've done before I used this product. Now I'll just have to buy my favorites again and make them better. The smoothness of the paint and the color sustainability is absolutely wonderful! This size bottle should last a very, very long time and I couldn't be happier!
B**M
Blick Art, best to deal with.
Excellent transaction. I love "Blick Art" great products, great prices., even though it has been a long while.
B**A
Fantastic addition to artwork!
I bought it to keep the canvas damp for my acrylic paints as they dry so fast. That didn’t work. So I used it to paint over dry, finished paintings to seal the artwork, as the bottle description states. Now I absolutely love this product. It gives a gloss to my finished paintings and I typically paint ocean/water scenes so it really makes the pieces pop. Some reviews mention it being a little pricey but all quality items should be priced accordingly, so, you get what you pay for - and this is worth every penny. Highly recommend!
W**T
Works great with Acrylic.
So far, this product mixes just great with Acrylic paint. Note: It does not alter the color of the original pigment at all. Also, it will prevent the Acrylic from drying as fast, so you need to allow it to set up on the canvas a little longer than if you had not used Flow Improver. Nice.
Trustpilot
4 days ago
2 months ago