
+44 (0)1242 335690
sales@silmoulds.com

Welcome
Custom silicone moulds made in the UK- moulds designed to suit your unique needs. Our passion for quality and innovation drives us to create high quality products tailored just for you. Since our establishment, we have been dedicated to exceeding your expectations. Explore our site to find out more.
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We work with multiple industries from Building and Construction through to Resin Jewellery and Candle makers.
Please get in touch if you would like to know more.


Design
We provide a complete internal design service. We can work with you whether you have a full range of CAD models or just a verbal idea.

Prototyping
Prototype samples are always available. From years of engineering experience we know sometimes you just need to lay your hands on things to be certain.

Silicone
RTV addition cure silicone also know as "Platinum Cure" is our choice of materials. Colours and Hardness can be supplied to customer specification.

Polyurethane
Preferred for use with very abrasive materials such as concrete. There is an endless variation of options for hardness or colours, we are here to help you find the best version for your needs.

Cast Moulding for Small Batch Silicone Moulds

Cast moulding is a versatile and cost-effective manufacturing method, making it perfect for small batch production and independent makers. This process is ideal for creating high-quality silicone moulds without the higher tooling costs associated with injection moulding, while still delivering excellent detail and durability.
Liquid silicone is carefully poured into a master mould and cured to form a flexible, long-lasting mould that captures fine detail and smooth finishes. Cast moulding is widely used by UK candle makers, soap makers, and wax melt businesses looking for reliable, professional moulds that suit smaller production runs.
Why Choose Cast Moulding?
Cost-effective mould production for small businesses
Ideal for small batches and limited runs
Durable, reusable silicone moulds
Excellent surface detail and flexibility
Suitable for candles, soaps, wax melts, and craft applications
Perfect for bespoke and made-to-order designs
Cast moulding offers an accessible entry point for growing brands, allowing makers to invest in quality moulds without large upfront costs. It’s a practical solution for businesses that value craftsmanship, flexibility, and long-term performance.
Ideal For
Candle makers and home fragrance brands
Soap makers and bath product businesses
Wax melt and aroma product creators
Start-ups and small UK businesses
By choosing cast moulded silicone moulds, you’re investing in affordable quality, dependable performance, and supporting a UK-based small business that understands the needs of independent makers.
Injection Moulding for Small Batch Silicone Moulds

Injection moulding is a highly advanced manufacturing process used to produce complex, high-precision silicone moulds for professional and industrial applications. Although this method involves a higher initial tooling investment, it delivers outstanding detail accuracy, consistency, and durability, making it ideal for demanding commercial environments.
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Using controlled pressure, liquid silicone is injected into a precision-engineered mould cavity, allowing intricate shapes, fine textures, and uniform thickness to be reproduced repeatedly with exceptional accuracy. This process is widely used across construction, architectural detailing, food production, cake manufacturing, confectionery, and specialist industrial sectors.
Key Advantages of Injection Moulding
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Exceptional dimensional accuracy for complex components
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Repeatable, consistent results across production runs
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High-definition surface detail and smooth finishes
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Durable silicone moulds designed for professional use
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Suitable for food-safe and industrial-grade silicone materials
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Ideal for custom and bespoke mould manufacturing in the UK
Injection moulding is particularly well suited to projects where precision, hygiene, and repeatability are critical, such as decorative concrete elements, architectural features, chocolate moulds, cake decorations, and high-volume production components.
Common Applications
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Construction and architectural moulds
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Concrete, resin, and plaster casting
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Cake decoration and sugarcraft moulds
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Chocolate and confectionery production
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Industrial and manufacturing components
By investing in injection moulded silicone moulds, businesses benefit from long-term reliability, consistent output, and superior finish quality, making this process a preferred choice for professional manufacturers across the UK.