•  June 2026

FormSil 25 Silicone Rubber – Monthly Promotion

This month at FormX, we’re featuring the FormSil 25 Series — a versatile condensation-cure silicone rubber developed for professional mold making and casting applications. Easy to process and highly reliable, FormSil 25 is widely used by artists, sculptors, prop makers, model makers and special effects studios for producing detailed, durable molds with consistent results.

FormSil 25 combines excellent flexibility, tear strength and fine detail reproduction, making it suitable for a wide range of mold making applications including resin casting, plaster casting, decorative reproduction, sculpture, prototyping and prop production. The silicone captures even delicate surface textures while offering durable mold performance over multiple castings.

Products

FormSil 25 Fast Catalyst FormSil 25 Fast Catalyst ... € 6.00 Buy now FormSil 25 FormSil 25 ... € 19.75 Buy now FormSil 25 Catalyst FormSil 25 Catalyst ... € 6.00 Buy now

With a manageable working time and smooth mixing characteristics, the silicone is easy to handle for both experienced professionals and makers exploring new techniques. Its dependable curing process helps ensure accurate molds with minimal shrinkage, allowing you to focus on the creative process rather than troubleshooting materials.

From sculpture and prototyping to prop making and industrial model work, the FormSil 25 Series is a trusted solution for a wide range of projects.

Take advantage of this month’s promotion and discover why so many makers rely on FormSil for precision mold making.

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Why buy at FormX?

  • Dedication to Materials

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    For over thirty years we have sought out the highest quality modelling, moulding and casting materials from around the world.

  • Inspiring + Unique

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    From silicones and resins to Jesmonite and special effects materials — a curated range for professionals, artists and makers.

  • Expert Advice

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    Our sales team is widely known for their knowledge and dedication, supporting you in mould making, casting, sculpture and prototyping.

  • Shipping Across Europe

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    We ship from our warehouses in Amsterdam, Barcelona and Madrid to customers throughout Europe, from Greece up to Norway.

  • Amsterdam Original

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    Founded in Amsterdam, FormX grew from a local art foundry into a major European supplier — with our roots firmly in the city.

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