Can polyurethane be used on air dry clay?

We recommend this water based POLYURETHANE varnish for use on all kinds of air dry, oven cured or kiln baked clays and perfect on baked POLYMER CLAYS

POLYMER CLAYS

Polymer clays contain a basis of PVC resin and a liquid plasticizer, making it a plastisol. Polymer clay plastisol is also categorized as a plastigel because of its rheological properties.

https://en.wikipedia.org › wiki › Polymer_clay

Polymer clay - Wikipedia

. It is ideal for use over acrylic paint to give added protection and to gloss up and enhance the colours.

Can you seal air dry clay?

Luckily sealing air dry clay is really easy. You can use an aerosol acrylic sealer, acrylic paint with a sealer built in, or use a decoupage technique, or use resin.

Can you put polyurethane on clay?

Depending on the resins included, some brands of polyurethane can be softened by the plasticizers in your polymer clay. Often, as in the case with Varathane, they won't cure rock-hard, but it won't be sticky either. Other varnishes can be sticky, though, so always test a new varnish with the clay you're using.

How do you protect air dry clay?

If stored properly, unused air dry clay should last indefinitely. We recommend wrapping the unused clay in plastic wrap or in a Ziploc bag, and then in another airtight container.

How do you seal painted air dry clay?

Sealing Your Clay Painting

If you do not seal the paint, it will eventually begin to peel off, or if you get water onto it, the paint can be washed off. Some might use mod podge, but this will not provide the best waterproofing, so a sealer like a varnish or an acrylic sealer is a better option.

How to Waterproof Air Dry Clay

How do you seal and waterproof air dry clay?

If you want to make your clay water-resistant I always recommend using either a clear polyurethane varnish or an acrylic sealer. Both of these create a non-porous transparent layer that seals your clay project. They can be brushed or sprayed on and usually come in either a matt, satin or gloss finish.

How do you make air dry clay not crack?

Adding small amounts of water is crucial to prevent small cracks. To prevent the clay from drying out too quickly, mist the clay occasionally while modeling. Never oversaturate the clay with water.

Should I use Polycrylic or polyurethane?

The formula has an acrylic base; polyurethane is added for better adhesion and durability. Polycrylic is not as durable as polyurethane and is meant to be used only on interior surfaces such as cabinets, furniture, and trim.

Do you need to glaze air dry clay?

Since air dry clay isn't fired, you won't be using any glaze. Avoiding glaze saves you a lot of money, but removes the magic of things like colorburst glazes. Just as with regular clay, encourage your students to experiment with different ways to add color.

Can you use Mod Podge to seal clay?

It's really easy to use Mod Podge and clay together (including polymer and air dry). Mod Podge is a great sealer for clay, which is what makes it so perfect for these charms/gift tags.

What is the best paint for air dry clay?

Water-based pigments or colors are best for painting air dry clay. Acrylic paint, tempera, and guache cover projects well, but watercolors, ink, markers, and pens are also suitable to add design to clay items. Keep in mind that you must seal water-based paint after drying.

Why is my paint peeling off my clay?

Funnily enough, if your surface is too smooth, the paint will not adhere very well as it has nothing to "stick to", and runs the risk of peeling off much easier. This is especially important on very smooth clay bodies, like epoxy clay.

Is air dry clay durable?

Air-dry clay results in durable finished projects once the clay is fully dried and cured. This clay is very soft and malleable, making it ideal for all ages. Larger pieces made from air-dry clay are also more durable when compared to finer pieces with small parts.

What gloss do you put on clay?

The best glaze to use for polymer clay is a water-based polyurethane glaze. It is durable, safe, and non-reactive to the clay or any mixed media. It will not corrode the poly clay, cloud its appearance, or go sticky with atmospheric changes.

Is polycrylic same as polyurethane?

These distinct uses come from the chemical compositions of the paint finishes themselves. Polyurethane finish is basedon both oil and water while polycrylic is a water-based finish. That's just one example of a difference between polyurethane and polycrylic paint.

Is water based polyurethane better than polycrylic?

Water-based polyurethane contains dries faster and is safer to use because it gives off fewer fumes when you are using it. Polycrylic is always water-based and is less toxic than either polyurethane option.

Is oil or water based polyurethane better?

Oil based used to be unquestionably more durable. Today though, water based polyurethane has evolved with better formulations that are equally durable as oil based polyurethane. High quality water based polyurethanes is considered by many homeowners & flooring professionals to be equally durable.