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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Smooth-On Free Form Sculpt High Density Epoxy Dough, Trial Unit

Product ID: 15420566

Details

Age Range (Description)
Adult
Brand
Smooth-On
Color
Grey
Included Components
Clay
Item dimensions L x W x H
4.7 x 4.6 x
Material
Resin

⏳1.5 hr working time

💧Waterproof & cures underwater

⚖️30% lighter weight

€ 115.43

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Description

🎨 Sculpt your vision—light, strong, and ready when you are!

NO FIRING NO FUSS - Self-curing epoxy that hardens overnight with virtually zero shrinkage
LIGHTWEIGHT YET DURABLE - 30% lighter than competitors, perfect for larger, complex projects
SAFE VERSATILE BONDING - Crystalline silica-free, bonds to wood, metal, glass, stone, and concrete
CUSTOMIZABLE COLOR MASTERY - Mix with SO-Strong tints for bespoke marble and artistic effects
EFFORTLESS PRECISION SCULPTING - Ultra-fine particles for detailed, professional-grade finishes

Smooth-On Free Form Sculpt is a two-part, high-density epoxy clay that self-cures in 1.5 hours to a hard, durable, and waterproof finish with virtually no shrinkage. It’s 30% lighter than similar products, allowing for larger, more detailed sculptures with superior vertical hold. Easily tinted or painted, it’s free of harmful crystalline silica and bonds to multiple surfaces, even curing underwater—ideal for professional artists and makers seeking precision and versatility without kiln firing.

Specifications

ASIN	B00IAZYHTW
Age Range Description	Adult
Best Sellers Rank	#117,604 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #194 in Sculpture Modeling Compounds
Brand Name	Smooth-On
Color	Grey
Customer Reviews	4.2 4.2 out of 5 stars (93)
Included Components	Clay
Item Dimensions	4.7 x 4.6 x 9.1 inches
Manufacturer	Smooth-On, Inc.
Manufacturer Part Number	55741
Material Type	Resin
Model Number	55741
Number of Items	1
Other Special Features of the Product	Waterproof
Recommended Uses For Product	Sculpting
UPC	751635557413
Unit Count	1 Count

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€ 115.43

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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