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Investment Casting Resins

Engineered photopolymers for production, casting, and performance applications.

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Performance materials, without compromise

Our portfolio spans production resins for repeatable parts, clean-burning casting materials for jewellery and investment workflows, and engineering-grade photopolymers for demanding mechanical, thermal, and electrical requirements.

Whether you’re optimising for surface finish, stiffness, impact resistance, temperature performance, or ESD behaviour, we help you choose resins that print predictably and perform consistently.

What to expect

  • Production resins tuned for repeatability and throughput
  • Casting materials designed for clean burn-out and reliable detail
  • Engineering photopolymers for stiffness, toughness, and heat performance
  • Supplier-backed formulations with dependable processing windows

  • N3D-CAST245

    All-purpose investment casting resin with excellent feature replication, low viscosity, low thermal expansion and reliable burnout performance for metal and jewellery casting.

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  • N3D-CAST363

    Delivering ultra-low viscosity, minimal ash content, and excellent green strength for investment casting patterns and large, lightweight models.

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  • Spectra SC-1000P

    Spectra SC-1000P is a direct casting resin delivering low shrink deformation, strength, durability.

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Resins from trusted manufacturers

Mechano (Mechnano)

Advanced photopolymer materials enhanced with discrete carbon nanotube technology for improved mechanical and electrical behaviour (including ESD-focused formulations).

  • ESD-capable photopolymers
  • Strength and impact improvements

Spectra Photopolymers

Radiation-curing specialists developing photopolymer materials for 3D printing, coatings and adhesives – well-suited to custom formulations and application-led performance.

  • 3D printing resin development
  • Coatings and adhesive know-how

Arkema

Global supplier of UV/LED/EB photocure chemistry (resins, monomers and additives) used widely across high-performance coatings and photopolymer applications.

  • Photocure resins and monomers
  • Broad formulation toolbox

BASF

Industrial photopolymers designed for structural performance and UV stability, with a portfolio spanning prototyping through end-use production parts.

  • Ultracur3D® photopolymers
  • Production-minded material range

Raplas materials are formulated and supplied in collaboration with established photopolymer and chemical manufacturers, giving you predictable processing and reliable part performance.