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Shop for Sculpture Molding Compounds Online at Ubuy UK

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21% OFF
Luna Bean Baby Casting Kit - Hand & Foot Keepsake Mold, 2pc, New Mom Gift | The original baby casting kit - captures newborn hand & foot forever. Non-toxic, safe, easy - perfect new mom gift
US Store
Luna Bean

Luna Bean Baby Casting Kit - Hand & Foot Keepsake Mold, 2pc, New Mom Gift | The original baby casting kit - captures newborn hand & foot ...
4.2

3k+ bought

GBP 27 34

14% OFF
Nicpro Modeling Paste 571 ml / 28.2 oz for Acrylic Painting | High-Density Acrylic Medium for Texture, Thickness, Structural Molding Paste for Art Projects, DIY, 3D Effect
US Store
Nicpro

Nicpro Modeling Paste 571 ml / 28.2 oz for Acrylic Painting | High-Density Acrylic Medium for Texture, Thickness, Structural Molding Paste for ...
4.7

1k+ bought

GBP 19 22

Sukh 310G Moldable Plastic Pellets - Thermoplastic Beads Polymorph
US Store
Sukh

Sukh 310G Moldable Plastic Pellets - Thermoplastic Beads Polymorph
4.4

1k+ bought

GBP 11

Play-Doh Blooms Blush Flower Bouquet Making Kit
US Store
Play-Doh

Play-Doh Blooms Blush Flower Bouquet Making Kit
4.5

1k+ bought

GBP 44

Vallejo - Plastic Putty 20 ml 0.67 fl.oz. | White, Opaque, Consistent Finish
US Store
Vallejo

Vallejo - Plastic Putty 20 ml 0.67 fl.oz. | White, Opaque, Consistent Finish
4.5

1k+ bought

GBP 11

Play-Doh PD Blooms Wildflower Petite Bouquet
US Store
Play-Doh

Play-Doh PD Blooms Wildflower Petite Bouquet
4

900+ bought

GBP 29

15% OFF
1 lb White Epoxy Putty Sculpt Clay, 2 Part Self Hardening Modeling Clay
US Store
OAIEGSD

1 lb White Epoxy Putty Sculpt Clay, 2 Part Self Hardening Modeling Clay
4.4

600+ bought

GBP 22 26

InstaMorph Reusable Moldable Plastic for Crafts,Sculpting,Cosplay,More 3oz
US Store
InstaMorph

InstaMorph Reusable Moldable Plastic for Crafts,Sculpting,Cosplay,More 3oz
4.3

500+ bought

GBP 16

2 x 50ml Air Dry Clay Glaze, Protect Clay Surfaces, Gloss & Matte Glaze | Gloss & Matte Glaze, Air Dry Clay Varnish, Waterproof, Dustproof,Prevents Clay Scratches & Wear
US Store
EIGTWEN

2 x 50ml Air Dry Clay Glaze, Protect Clay Surfaces, Gloss & Matte Glaze | Gloss & Matte Glaze, Air Dry Clay Varnish, Waterproof, ...
4.6

500+ bought

GBP 20

Milliput - White
US Store
Milliput

Milliput - White
4.7

500+ bought

GBP 16

Epoxy Putty Fast Repair Clay, 2-Part Repair Filler Putty for Metal Wood Ceramic Stone Tile and Plastic, Filling Cracks Holes and Surface Repairs 1 Packaging
US Store

Epoxy Putty Fast Repair Clay, 2-Part Repair Filler Putty for Metal Wood Ceramic Stone Tile and Plastic, Filling Cracks Holes and Surface ...
3.6

500+ bought

GBP 14

Aves-Apoxie Sculpt - 2 Part Modeling Compound A & B - 4 Pound, White
US Store
Aves

Aves-Apoxie Sculpt - 2 Part Modeling Compound A & B - 4 Pound, White
4.8

500+ bought

GBP 61

PLEARTY Kintsugi Repair - Starter Edition - Kit Linseed Resin Food-Safe Dishwasher Proof Eco-Friendly and Durable Kintsugi Kit Materials - Beginner Friendly
US Store
Plearty

PLEARTY Kintsugi Repair - Starter Edition - Kit Linseed Resin Food-Safe Dishwasher Proof Eco-Friendly and Durable Kintsugi Kit Materials - ...
4.4

400+ bought

GBP 30

Sukh 14.8oz Moldable Plastic Pellets - Thermoplastic Beads Polymorph
US Store
Sukh

Sukh 14.8oz Moldable Plastic Pellets - Thermoplastic Beads Polymorph
4.6

400+ bought

GBP 12

JANYUN 9 Pcs Pen Shape Resin Mold Ballpoint Pen Silicone Molds Epoxy
US Store
JANYUN

JANYUN 9 Pcs Pen Shape Resin Mold Ballpoint Pen Silicone Molds Epoxy
4.4

300+ bought

GBP 14

Epoxy Sculpt Clay, Self-Hardening Model Magic Sculpt Epoxy Clay, A&B 2 Part Epoxy Putty, Modeling Compound Sculpting Clays for Sculpting, Modeling, Repairing, Filling, Building, 1 Pound, Natural
US Store
Lubynia

Epoxy Sculpt Clay, Self-Hardening Model Magic Sculpt Epoxy Clay, A&B 2 Part Epoxy Putty, Modeling Compound Sculpting Clays for Sculpting, ...
4.7

300+ bought

GBP 21

Play-Doh Blooms Rosy Petite Flower Bouquet Making Kit
US Store
Play-Doh

Play-Doh Blooms Rosy Petite Flower Bouquet Making Kit
4.8

300+ bought

GBP 29

Epoxy Sculpting Putty by Tamiya
US Store
TAMIYA

Epoxy Sculpting Putty by Tamiya
4.6

300+ bought

GBP 13

Apoxie Sculpt - 2 Part Modeling Compound A & B - 1 Pound, White/Stone White | Stone White
US Store
Aves

Apoxie Sculpt - 2 Part Modeling Compound A & B - 1 Pound, White/Stone White | Stone White
4.7

200+ bought

GBP 38

Epoxy Clay, Magic Epoxy Sculpt Clay, 2 Part Modeling Compound A & B of Magic Sculpt Epoxys Clays for Sculpting, Modeling, Building and Repairing, Epoxy Putty, Natural, 1 Pound
US Store
EzyAce

Epoxy Clay, Magic Epoxy Sculpt Clay, 2 Part Modeling Compound A & B of Magic Sculpt Epoxys Clays for Sculpting, Modeling, Building and ...
4.6

200+ bought

GBP 21

Milliput 2-Part Self Hardening Putty, Terracotta
US Store
Milliput

Milliput 2-Part Self Hardening Putty, Terracotta
4.6

200+ bought

GBP 14

Belle Chemical Sodium Bentonite Clay - Powder - 1 Pound
US Store
Belle Chemical

Belle Chemical Sodium Bentonite Clay - Powder - 1 Pound
4.6

200+ bought

GBP 16

Aves Apoxie Sculpt - 2 Part Modeling Compound A & B - 1/4 Pound, Apoxie Sculpt for Sculpting, Modeling, Filling, Repairing, Easy to Use and Durable Self Hardening Modeling CompoundWhite/Stone White
US Store
Aves

Aves Apoxie Sculpt - 2 Part Modeling Compound A & B - 1/4 Pound, Apoxie Sculpt for Sculpting, Modeling, Filling, Repairing, Easy to Use and ...
4.7

200+ bought

GBP 26

Epoxy Putty Sculpt Clay, 2 Part A & B for Sculpting, Modeling, Building, and Repairing, 1 Pound, Natural
US Store
Seocam

Epoxy Putty Sculpt Clay, 2 Part A & B for Sculpting, Modeling, Building, and Repairing, 1 Pound, Natural
4.4

200+ bought

GBP 21

Milliput Superfine White Epoxy Putty 2 Pack - Porcelain Repair Kit
US Store
Creative Crafters

Milliput Superfine White Epoxy Putty 2 Pack - Porcelain Repair Kit
4.8

200+ bought

GBP 30

Sculpey ABB02 Bake and Bond, 2 fl Oz 59ml 2 pack
US Store
Polyform

Sculpey ABB02 Bake and Bond, 2 fl Oz 59ml 2 pack
4.7

200+ bought

GBP 22

BONNYCO Play Dough Set with Molds and Goody Bags, Pack 16 Party Favors for Kids Age 3-9. Bulk Gifts, Kids Toys, Mini Birthday Games, Stocking Stuffers, Arts and Crafts Kit for Classroom
US Store
BONNYCO

BONNYCO Play Dough Set with Molds and Goody Bags, Pack 16 Party Favors for Kids Age 3-9. Bulk Gifts, Kids Toys, Mini Birthday Games, Stocking ...
4.5

200+ bought

GBP 26

Fiberglass Supply Depot Cabosil Fumed Silica Quarter Pint Jar - Resin Thickener for Non-Saggy Putty - Advanced Epoxy Resin Thickener - Professional Thixotropic Agent for Smooth Epoxy
US Store
Fiberglass Supply Depot

Fiberglass Supply Depot Cabosil Fumed Silica Quarter Pint Jar - Resin Thickener for Non-Saggy Putty - Advanced Epoxy Resin Thickener - ...
4.2

200+ bought

GBP 11

Play-Doh PD Blooms Refill Pack Daisy and Peony
US Store
Play-Doh

Play-Doh PD Blooms Refill Pack Daisy and Peony
4.3

200+ bought

GBP 14

Modeling Paste 1000ml/63.5oz Professional Acrylic Medium
US Store
Qiveaory

Modeling Paste 1000ml/63.5oz Professional Acrylic Medium
4.6

100+ bought

GBP 30

Nariolar Modeling Paste 26.5 oz /750 g | High-Density Paste for Textured Art and Acrylic Painting, Ideal for Canvas Art, DIY Projects, and 3D Effects
US Store
Nariolar

Nariolar Modeling Paste 26.5 oz /750 g | High-Density Paste for Textured Art and Acrylic Painting, Ideal for Canvas Art, DIY Projects, and 3D ...
4.5

100+ bought

GBP 20

Aves Apoxie Sculpt - 2 Part Modeling Compound A & B - 4 Pound, Apoxie Sculpt for Sculpting, Modeling, Filling, Repairing, Easy to Use Self Hardening Modeling Compound Natural
US Store
Aves

Aves Apoxie Sculpt - 2 Part Modeling Compound A & B - 4 Pound, Apoxie Sculpt for Sculpting, Modeling, Filling, Repairing, Easy to Use Self ...
4.8

100+ bought

GBP 61

Green Stuff World Blue Stuff Thermoplastic Model Molding Bars 4 Pieces 9015
US Store
Green Stuff World

Green Stuff World Blue Stuff Thermoplastic Model Molding Bars 4 Pieces 9015
4.5

100+ bought

GBP 18

Pasler Wax Resist for Pottery Bisque or Greenware,Glaze and Slip Application, 16 fl oz / 473 ml
US Store
Pasler

Pasler Wax Resist for Pottery Bisque or Greenware,Glaze and Slip Application, 16 fl oz / 473 ml
4.5

100+ bought

GBP 24

23% OFF
Milliput Superfine Grain, 4 oz.
US Store
Milliput

Milliput Superfine Grain, 4 oz.
4.7

100+ bought

GBP 17 22

33% OFF
Steel Reinforced Epoxy Putty,Epoxy Putty Fast Repair Clay,2026 New Waterproof Heat-Resistant Epoxys Puttys Repair Kit,Fast Repair AB Two-Part Epoxy Clay Filler for Bonding Metal,Plastic,Wood 1Pc
US Store
stray poet

Steel Reinforced Epoxy Putty,Epoxy Putty Fast Repair Clay,2026 New Waterproof Heat-Resistant Epoxys Puttys Repair Kit,Fast Repair AB Two-Part ...
2.5

100+ bought

GBP 14 21

PlastiLoka Epoxy Plasticine Strong Epoxy Putty for Repairs and Modeling, 40 g 1.41 oz
US Store

PlastiLoka Epoxy Plasticine Strong Epoxy Putty for Repairs and Modeling, 40 g 1.41 oz
4.8

100+ bought

GBP 18

Plastr Craft Nontoxic Plaster Craft Strips
US Store
Plast'r craft

Plastr Craft Nontoxic Plaster Craft Strips
4.6

100+ bought

GBP 83

AMACO 1-Pint Gum Solution
US Store
AMACO

AMACO 1-Pint Gum Solution
4.7

100+ bought

GBP 18

Aves Apoxie Sculpt - 2 Part Modeling Compound A&B - 1 Pound, Apoxie Sculpt for Sculpting, Modeling, Filling, Repairing, Simple to Use & Durable Self-Hardening Modeling Compound - Black
US Store
Aves

Aves Apoxie Sculpt - 2 Part Modeling Compound A&B - 1 Pound, Apoxie Sculpt for Sculpting, Modeling, Filling, Repairing, Simple to Use & Durable ...
4.7

100+ bought

GBP 38

Golden Artist Colors - Light Molding Paste - 8 oz Jar
US Store
GOLDEN

Golden Artist Colors - Light Molding Paste - 8 oz Jar
4.6

100+ bought

GBP 20

KeaBabies Baby Casting Kit Hand and Feet Mold Newborn Round, Cloud Gray
US Store
KeaBabies

KeaBabies Baby Casting Kit Hand and Feet Mold Newborn Round, Cloud Gray
4.1

100+ bought

GBP 26

14% OFF
Falling in Art 26.5 oz /750 g Modeling Paste for Acrylic Painting
US Store
Falling in Art

Falling in Art 26.5 oz /750 g Modeling Paste for Acrylic Painting
4.6

100+ bought

GBP 18 21

4% OFF
Thick Modeling Paste White 30oz / 600ml - High Density Acrylic Medium for Texture, Thickness, Dimension Additive, Color Adjustment Acrylic Texture Paste for Canvas, Wood, Mixed Media
US Store
Lubynia

Thick Modeling Paste White 30oz / 600ml - High Density Acrylic Medium for Texture, Thickness, Dimension Additive, Color Adjustment Acrylic ...
5

100+ bought

GBP 22 23

11% OFF
BBDINO 00-30 Super-Soft Silicone Rubber Flesh Like Translucent 8.8 Lbs
US Store
BBDINO

BBDINO 00-30 Super-Soft Silicone Rubber Flesh Like Translucent 8.8 Lbs
4

100+ bought

GBP 131 147

120ml Liquid Polymer Clay Softener, Restores Workability and Shine | NonToxic/Odorless,Revive Hardened Clay,Enhances Flexibility & Adhesion,Ideal for Ceramic Artists,Teachers & DIY Craft Lovers
US Store
DINGSEN

120ml Liquid Polymer Clay Softener, Restores Workability and Shine | NonToxic/Odorless,Revive Hardened Clay,Enhances Flexibility & ...
4.4

50+ bought

GBP 18

Thick Modeling Paste White 30 Oz / 850gm - High Density Acrylic Medium for Texture, Thickness, and Dimension
US Store
Angres

Thick Modeling Paste White 30 Oz / 850gm - High Density Acrylic Medium for Texture, Thickness, and Dimension
4.8

50+ bought

GBP 20

Buy Sculpture Moulding Compounds Online from Ubuy UK

Turn imagination into reality with high-performance sculpture moulding compounds, now available to buy online from Ubuy UK. Whether you're an aspiring artist, a seasoned professional, or a passionate hobbyist, the materials you use are just as important as the tools. We bring you an exceptional range of professional sculpture casting materials tailored for every artistic vision.

From sculpting clay compounds for hand modelling to resin casting supplies for clean, crisp replicas, we offer reliable solutions for all sculpting needs. Combine these materials with top-rated items from our sculpture supplies and moulding tools to bring your artwork to life with precision and lasting durability.

Shop trusted global brands like Polytek, AMACO, and many more, known for their consistent quality, artist-first designs, and safe formulations. With fast delivery and user-friendly kits, you can begin crafting detailed figurines, prototypes, and moulds without delay.

Explore Different Types of Sculpture Moulding Compounds
 

When it comes to sculpting, every material tells a different story. Every sculpture starts with the right base. Whether you're after fine details or industrial strength, our selection of sculpture moulding compounds covers a variety of casting and modelling materials designed to meet specific needs, from soft hand-shaping clays to heavy-duty concrete mixes. Whether you’re looking for flexibility, detail, durability, or ease of use, we have your material match. From flexible mould-making materials to solid resin casting supplies, each product is designed for reliable performance and artistic expression.

Clay – The Foundation of Sculpture

Sculpting clay compounds are the most versatile starting point in sculpture. They’re ideal for practising form, creating original models, or preparing designs for further casting. Soft and pliable, clays from Sculpey and AMACO are great for sketch modelling or bakeable art projects. They also pair perfectly with sculpture moulding tools for detailed shaping and surface texturing.

Wax – Great for Detail and Precision

Wax moulding compounds are preferred for their smooth finish and detailed response, often used in lost-wax casting or jewellery design. Wax can be carved easily, then melted away after mould creation. Polytek and AMACO offer wax options that work well with mould rubber for sculpture or for creating masters in silicone casting processes.

Plastic – Lightweight and Durable

Plastic-based casting compounds for sculpture are ideal for creating lightweight, durable, and reusable forms. These are often used in conjunction with resin casting supplies to produce figurines, decorative pieces, and prototypes. Plastic compounds offer a quick cure time, minimal shrinkage, and high-definition output, excellent for commercial applications or intricate model making.

Plaster – Accessible and Fast-Drying

If you're seeking a quick-start material that’s easy to use and highly accessible, plaster for sculpting is an excellent choice. It’s widely used in classroom settings, studios, and casting for masks or relief work. AMACO’s plaster kits offer excellent surface smoothness and set times, making them perfect for quick impressions or initial mould-making.

Concrete – Perfect for Large or Outdoor Art

For artists working on structural or outdoor pieces, concrete compounds provide incredible durability. They’re compatible with long-lasting mould compounds and ideal for casting planters, statues, and garden décor. Use alongside silicone moulding compounds from Polytek to ensure clean release and detailed surface capture on complex forms.

Metal – Cast with Precision Using Mould Rubbers

While metal isn't a moulding compound itself, many artists use mould rubber for sculpture to cast molten metals like pewter or bronze. These specialised rubbers, often from Polytek, withstand high temperatures and allow precise casting when paired with wax models or resin prototypes. Perfect for professional artists and advanced sculptors seeking industrial-grade results.

What Real Users Are Saying on Reddit?

User Name

Comment

Why They Say That

u/BTheKid2 

"Latex is generally at the bottom of mold making materials in my book. It's not a very precise rubber because it shrinks as it dries. So getting a two part mold to line up is challenging to say the least. ... The same with getting the latex to seat well in a mold shell."

They find latex less precise due to shrinkage and difficulty aligning two-part moulds.

u/munt 

"I've done a small test and it worked surprisingly well, if a little floppy when it got scaled up. If the full sized version is too floppy, I'm planning on adding cheese-cloth to a middle layer for added strength."

They experimented with latex and found it too floppy at scale, so they plan to reinforce it with fabric.

u/artwonk 

"I've used [joint compound] to smooth out paper mache, but never tried to build up multiple layers of it. It did make the mask I was working on considerably heavier, but didn't add to its strength. Be careful when sanding it, since if you go through, the paper mache will show."

They use joint compound for smoothing but warn it adds weight without strength and can sand through easily.

u/amalieblythe 

"I use bioplastic silicone substitute molds made from very cheap glycerin and gelatin mixed together 50/50 by volume."

They suggest a cost-effective alternative to silicone using glycerin and gelatin.

Frequently Asked Questions About Sculpture Moulding Compounds

  • What are sculpture moulding compounds used for?

    Sculpture moulding compounds are used to shape, cast, and reproduce artistic objects or moulds in various materials like clay, wax, resin, plaster, and concrete. You can shop for them easily at Ubuy UK under the sculpture supplies section.

  • What types of moulding compounds are best for beginners?

    Beginners often prefer plaster for sculpting and sculpting clay compounds due to their ease of use, affordability, and forgiving nature. These materials are great for learning basic forms and techniques.

  • What’s the difference between silicone and latex moulding compounds?

    Silicone moulding compounds are more durable, flexible, and long-lasting. They are suitable for repeated casting and capturing intricate details. Latex is a more economical option, but breaks down faster over time and is less accurate for high-detail projects.

  • Are these moulding compounds safe to use at home?

    Yes, most artist-grade casting solutions from Sculpey and AMACO are safe and non-toxic for home use. Always read the safety instructions when working with resin casting supplies or any solvent-based compounds.