No - This is not waterproof:DescriptionAll-purpose medium formulated to be mixed into acrylic paints and mediums. Mix into any acrylic paint to enhance the depth of color intensity, increase transparency, gloss, ease flow of paint and add flexibility and adhesion of paint film. Use as a nonremovable varnish to protect painting and establish gloss sheen surface. Translucent when wet, transparent when dry. Dries to a non-tacky, hard, flexible surface that is resistant to dirt retention. Depending upon substrate, allows moisture to pass through (breathable). Will not crack as surface expands and contracts during temperature and humidity changes. Not for use over oil paint.Thanks,Bill WrightTreyco

Can I use this to seal my daughters crayola canvas paintings?

If the paintings are with Crayola crayons then no, the acrylic will not adhere.. if they are crayola poster paints then a spray varnish must be used. The first coat or two should be very light to prevent bleeding.

Can this be used in collage to make the image adhere to the paper? or is there a better thing to use for that?

It could be used to adhere a paper to another paper or a paper to a background of wood or canvas. I don't know whether it would be the best product for that purpose, though.

Can you use this in an acrylic and silcone pour painting and do you still need to seal it with this or another product?

You should use a product like this to seal any porous surface. Substrates like wood, for instance, tend to drink paints, silicones and resins if they arent sealed. If you are not using resin, i would use a polycrylic to seal it after your pour. Just make sure you wait until your pour is completely dry and you have cleaned off silicone residue.

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Slow-Dri Medium

Product ID: 4542531

Details

Brand
Liquitex
Color
Slow-dri
Finish Type
Matte
Item Volume
8 ml
Paint Type
Acrylic
Size
4 Fl Oz (Pack

⏳40% slower drying time

🎨Intermixable with Liquitex acrylics

💧Water-resistant & non-yellowing finish

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Description

🎨 Unlock your masterpiece potential with every brushstroke!

SAFE SUSTAINABLE - Non-toxic formula conforms to ASTM D4236 standards, perfect for professional studios and educational settings alike.
VERSATILE APPLICATION - Ideal for canvas, paper, wood, and more—expand your creative horizons with one fluid medium.
DURABLE CLEAN FINISH - Dries to a water-resistant, non-yellowing surface that preserves your art’s vibrancy and longevity.
SEAMLESS COMPATIBILITY - Mixes effortlessly with Liquitex Professional Acrylic Paints and Mediums for flawless color flow and intensity.
EXTENDED CREATIVITY WINDOW - Slows drying time by up to 40%, giving you more time to blend and perfect your acrylic masterpieces.

Liquitex Professional Fluid Medium (118ml) is a slow-drying acrylic medium that extends drying time by up to 40%, allowing superior blending and flow. It dries clear to a water-resistant, non-yellowing matte finish, enhancing color depth and adhesion without compromising paint strength. Non-toxic and ASTM D4236 certified, it’s compatible with all Liquitex acrylic paints and suitable for various surfaces including canvas and paper.

Specifications

ASIN	B001UNYH3W
Age Range Description	Adult
Best Sellers Rank	#3,382 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #6 in Paint Mediums & Additives
Brand	Liquitex
Brand Name	Liquitex
Color	Slow-dri Blending
Color Code	Not Available
Container Type	Bottle
Coverage	Medium
Customer Reviews	4.7 out of 5 stars 1,898 Reviews
Dry Time In Hours	4
Finish Type	Matte
Global Trade Identification Number	00094376931457, 00521227430208
Included Components	Paint
Is Waterproof	False
Item Form	Liquid
Item Type Name	Fluid Medium
Item Volume	8 ml
Item Weight	0.16 g
Manufacturer	ColArt Americas
Model Name	Professional
Model Number	6304
Paint Type	Acrylic
Part Number	6304
Size	4 Fl Oz (Pack of 1)
Special Feature	Non Toxic
Special Features	Non Toxic
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Paper
UPC	094376931457 521227430208
Unit Count	4 Fluid Ounces

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£20.53

Duties & taxes included

In stock

Sold byAmazon UKDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to UK.

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