Holden's Latex

Holden’s Latex is an absolute institution in liquid natural rubber compounding. For over eighty years, their ultra-reliable, time-tested formulas have set the industry standard for architectural restoration, master mold-making, and SFX casting.

The collection includes specialized casting powerhouses like HX-407, a pre-vulcanized, high-viscosity mask-making latex engineered to form tough, highly flexible skins within gypsum plaster molds. Alongside brushable mold compounds like HX-80, these systems capture razor-sharp surface details while retaining superior tear resistance.

The lineup is rounded out by specialized,…

Available in Holden's Latex

Why buy at FormX?

Dedication to Materials

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

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

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

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

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

FormX is specialized in the supply of the highest quality 3D modelling and reproduction materials available and has warehouses and showrooms in Amsterdam, Barcelona and Madrid.

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