What is Jesmonite®?
A modern, versatile, and aesthetic molding material, Jesmonite appeals to both creators and professionals in design and sculpture.
Jesmonite is a composite material based on acrylic binder and mineral fillers, recognized for its versatility and ease of use.
Developed in the United Kingdom in the 1980s, it has established itself as a modern solution for decorative molding and design.
Positioned between gypsum, ceramic, and decorative concrete, Jesmonite combines their advantages within a safer and simpler formulation to work with.
Today, Jesmonite is widely used in decorative creation, design, sculpture, and molding, both by professionals and demanding creators.
Composition of Jesmonite
Jesmonite consists of two components:
- A mineral base (gypsum powder or selected minerals)
- An acrylic binder
After mixing, these two elements provide a fluid and easy-to-pour cream.
What are the advantages of Jesmonite?
Designed as a more responsible alternative to traditional molding materials, Jesmonite stands out for its technical performance, rapid setting time, and great ease of use.
Main properties
- VOC-free: no solvents or aggressive odor
- Fast setting time: high productivity
- Excellent compatibility with pigments and fillers
- Low shrinkage and excellent dimensional stability
- Very good surface finish, suitable for decorative pieces
- Tools clean with water
After curing, the material exhibits:
- a rigid and resistant structure,
- a slightly satin appearance, depending on the formulation,
- an easily machinable surface (sanding, painting, protection),
- good fire resistance: ideal for candle containers and theater sets
The different Jesmonite ranges
Jesmonite AC100
Jesmonite AC730
Jesmonite AC84
Jesmonite Flex Metal
How do you work with Jesmonite?
- Choose a silicone mold
- Prepare the scale, mixing container, and flat spatula
- Calculate the A+B ratio and mix
- Add pigments or fillers if necessary
- Pouring and mechanical degassing (tapping)
- Setting (25 to 45 minutes depending on conditions)
- Demolding
- Finishing: sanding, protection, surface treatment
What can you make with Jesmonite?
Jesmonite allows you to create:
- decorative objects (bowls, trays, vases),
- accessories (soap dishes, pots, candle holders),
- jewelry and small series,
- sculptural elements,
- design pieces and prototypes.
Thanks to pigments, mineral inclusions, glass chips, or terrazzo effects, the aesthetic possibilities are extremely wide.
New to Jesmonite? Discover the starter kits, compatible pigments, and essential accessories.
Already a user? Explore the advanced ranges, technical effects, and protection solutions to go further.
Discover our products
Jesmonite AC 100 - Kit (A+B) Materiau composite pour moulage décoratif - 3.5kg
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JESMONITE® Pigment Poudre Néon - Orange
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StoneRoxx® – Granulat de Granit Décoratif pour Résine & Jesmonite® - XS-500g, Amber
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Eco Glitters Large Silver – Paillettes écologiques argentées pour résine de coulée - 15gr
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Eco Glitters Large Gold – Paillettes écologiques dorées pour résine de coulée - 15gr
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Pigment Glow in the Dark – Poudre phosphorescente longue durée pour résine, peinture et vernis
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POUDRE MICA ULTRA-FINE 9gr - Pigment Naturel pour Resine, Savon, Peinture - Pearly white
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POUDRE METALLIQUE Silver Ultra-Fine 8gr – Effet Métallisé Haut de Gamme
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POUDRE METALLIQUE Rich Gold Ultra-Fine 20gr – Effet Métallisé Haut de Gamme
en stockMore inspiration based on your field of activity
Molding