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 Blending 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

💧Water-resistant & non-yellowing finish

🖌️Compatible with all Liquitex acrylics

£26

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Description

🎨 Blend longer, shine brighter — unlock your acrylic’s full potential!

SEAMLESS PAINT FLOW - Lightweight fluid medium reduces paint viscosity for effortless blending and smooth, brushstroke-free finishes.
SAFE SUSTAINABLE ART - Non-toxic formula conforms to ASTM D4236 standards, perfect for professional studios and educational environments alike.
UNIVERSAL COMPATIBILITY - Mixes flawlessly with Liquitex Professional Acrylic Paints and Mediums, enhancing color depth and transparency without compromising strength.
VIBRANT DURABLE FINISH - Dries clear to a water-resistant, non-yellowing surface that preserves your artwork’s brilliance and longevity.
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 to a clear, water-resistant, and non-yellowing finish, compatible with all Liquitex acrylic paints. Lightweight and non-toxic, it enhances color intensity and flexibility without compromising paint film strength, making it ideal for professional artists and educators.

Specifications

ASIN	B001UNYH3W
Age Range Description	Adult
Best Sellers Rank	#2,219 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #5 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 1,886 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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£26