

AC300
Ideal for indoor decorative features
Jesmonite AC300 is a water-based material used to make decorative moulded objects. It has a lower resin content than AC100 for cost-sensitive applications where our AC100 may be over specified. It can be cast and laminated using our unique Quadaxial Glass for extra strength.
Product Information
ABOUT AC300
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Easy to use, adaptable material for all moulding applications.
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Suitable for decorative cast objects, mould cases, and wall panels
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Supplied with a range of ancillary products, including glass reinforcements, pigments, fillers, and control chemicals to adapt the material to the widest range of applications.
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The ultimate chameleon material can replicate virtually any surface, colour, or texture.
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Sold in bulk only.
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FUNCTIONALITY OF AC300
Scalability & Fixing
AC300 is suitable for larger scale manufacturing of internal decorative features. With its competitive price point and efficient manufacturing properties its an ideal choice for stunning indoor features.
For full design advice, engineering assistance and project / specification support – please contact our Jesmonite Architectural Solutions team.
We are members of the International Glassfibre Reinforced Concrete Association

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Made from Jesmonite CPD’s are available upon request.

HOW ITS SUPPLIED
Design Flexibilty
AC300 is a bulk purchase material designed as a more cost effective alternative to AC100.
Examples of applications where AC300 can be used are:
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Architectural Elements
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Internal Panels
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Sculptures
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Tableware
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Furniture
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Lighting Elements
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Prop Work
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Decorative Tiles
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and more...
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AC300 EXTRAS
AC300 Options
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Extra Strength
AC830 can be combined with Jesmonite AR Quadaxial Glass, to achieve a higher overall strength for certain applications.
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Bespoke Colour
Our bespoke colour-matching service is available for this product, which utilises our industry-leading colour-matching team who can analyse the pigmentation of many objects/surfaces and provide a custom blended AC300 base for your use.
*MOQ 500kg.
HOW ITS SUPPLIED
AC300 can be supplied in:
Supplied how you
need it
Bulk Bags up to 1000kg
Pallets with Bags up to 1000kg
Shipping Containers up to 26'000kg
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DESIGNED FOR EASE OF USE
Manufacturing Methods
🔹 Traditional Pouring Methods
The classic approach! Traditional pouring is ideal for creating detailed casts and solid forms. Jesmonite's smooth consistency allows it to capture intricate details, making it perfect for sculptures, ornamental pieces, and architectural elements. Simply mix, pour into your mould, and let the material do the rest.
🔹 Spray Moulding
Looking to cover large surfaces or achieve a lightweight finish? Spray moulding is your answer. By spraying Jesmonite onto a mould or substrate, you can build up thin layers that are strong yet lightweight. This method is excellent for creating panels, facades, and decorative surfaces with minimal weight addition.
🔹 Trowelling
For those who love a hands-on approach, trowelling Jesmonite offers a tactile experience with creative freedom. This method allows you to apply the material directly onto surfaces, giving you control over texture and thickness. It's perfect for custom finishes, restorative work, or adding unique textures to walls and installations.
🔹 Rotational Moulding (Rota Moulding)
Also known as roto moulding, this technique is fantastic for creating hollow, seamless objects. By rotating a mould while the Jesmonite cures inside, you achieve uniform wall thickness and structural integrity. This method is ideal for producing items like planters, furniture pieces, and complex geometric forms.
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WHAT WE DO
Innovative Formulations
High Strength
Ultra-Low Shrinkage
Light Weight
Superior Flexibility
B-s1-d0 Fire Rated
Zero Solvents
Customisable Finishes & Colour
Hybrid Formulation
AC300 is a gypsum composite for use in complex architectural projects.
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Haven't Found What You
Are Looking For?
Select a different product below
or contact us for bespoke options
Features
AC100
AC300
AC630
AC730
AC830
AC930
Flex Metals
Designed for Interior Application
Designed for Exterior Application
Fire Rating
EN13501-1
B-s1-d0
ASTM E84
Class 1 (A)
B-s1-d0
Class 1 (A)
A2-s1-d0
NA
A2-s1-d0
Class 1 (A)
A1
NA
NA
N
NA
NA
Glass Reinforceable
Initial Set Time (18°C, No Retarder)
15 – 20 Minutes
15 – 20 Minutes
4 hours+
4 hours+
4 hours+
2 hours+
4 hours+
Solvent Free
Food Safety Tested
Mix Ratio (Powder to Liquid)
2.5:1
2.5:1
5:1
5:1
7:1
5:1 – 6:1
5.5:1
Applications

Create custom architectural details, from cornices and columns to panels and feature walls, with Jesmonite’s adaptable material options.
Where Reliability
Meets Innovation
With Jesmonite, manufacturers gain access to materials that not only deliver superior performance but also align with sustainable practices. From intricate details to large structural applications, our products ensure quality, consistency, and innovative possibilities in every project.