Will this stick/adhere to polymer, like a gun stock for example?

Yes it sticks to just about everything as long as you rough up the surface and remove oils and grease with alcohol or an equivalent degreaser.

Does it work and stick to styrofoam - if not what type of material needs to be on the Styrofoam to work well?

I'm not sure but you can do an experiment with a little piece of it. Try watered down wood glue and paint the Styrofoam. That usually works with getting oil based clay's to stick to Styrofoam. Of course let the wood glue dry before putting on the epoxy. I don't see why that won't work. Or if it doesn't you can wrap it in aluminum but I think that might be more trickier to work with... secure with thin floral wire perhaps. I hope this helps.

How does this compare to aves apoxie sculpt and magic epoxy sculpt?

I've work with Magic Epoxy Sculpt and Aves Apoxie Sculpt. Those are much better to work with the Sculpt Epoxy Putty is like sculpting with gum it is very hard to work with or perhaps I don't have the patience with using it but I don't like it. The others are better in my opinion.

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🎨 Sculpt your vision, no limits attached!

SAFE CLEAN CRAFTING - Free from harmful crystalline silica, ensuring a safer workspace for your artistic ventures.
PAINT READY PERFECTION - Cured putty accepts acrylic paints flawlessly, letting you add your signature finishing touches with ease.
LIGHT AS AIR STRONG AS STONE - 30% lighter than similar products, making it perfect for intricate vertical designs without sagging.
CUSTOM COLORS ENDLESS CREATIVITY - Easily tint with SO-Strong colorants to craft stunning marble effects or any palette you imagine.
EFFORTLESS SCULPTING INSTANT RESULTS - Two-part epoxy clay that self-cures quickly—no kiln required, so your creativity flows uninterrupted.

Free Form Sculpt Epoxy Putty by Smooth-On is a lightweight, two-part epoxy clay that self-cures quickly into a hard, durable finish with virtually no shrinkage. Ideal for vertical surfaces, it can be tinted with SO-Strong colorants and painted with acrylics, all while being free of harmful crystalline silica.

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Excellent communication throughout the order process. Product is perfect.

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Model Number	55741
Package Dimensions	27.5 x 18 x 12 cm
Material	Epoxy Clay
Package Weight	1.47 Kilograms
Batteries Required	No
Batteries Included	No
Brand Name	Smooth-On

Free Form Sculpt Epoxy Putty - Trial Size by Smooth

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