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Engineering 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-PR184-BIO

    Grey general-purpose modelling resin with 53% bio-renewable carbon content, high stiffness, good accuracy and reliable high-resolution print performance.

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  • N3D-DMT303

    Tan dental modelling resin for accurate, high-throughput 3D printing of dental and orthodontic models, including thermoforming moulds for clear aligner production.

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  • N3D-TOUGH784

    Flexible, high impact resin with a strong balance of rigidity, toughness, elongation and weatherability for durable end-use applications.

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  • N3D-HT511

    High-temperature, low water uptake resin with excellent stiffness, toughness, chemical resistance and injection moulding-like surface quality.

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  • N3D-FR512

    Delivering halogen-free flame retardancy, high heat resistance, and robust green strength for fine-feature DLP and LCD printed parts.

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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.