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investment casting parts

Somos® WaterShed® AF

Print accurate, complex investment casting patterns with excellent surface finish.
Somos® WaterShed AF is a multi-purpose stereolithography resin that meets the requirements for investment casting patterns as it has been designed without antimony to address sensitivities in the casting of certain specialty alloys. As no antimony is used, patterns created with Somos® WaterShed AF leave much lower amounts of ash residue after burnout, reducing clean-up and speeding up mold production.
Key Features
  • check No detectable levels of antimony per ICP-AES test methodology
  • check Trace amounts of ash that are easily removed
  • check Low viscosity
  • check Dimensionally stable
  • check Suitable for high-end alloy castings
  • check Rapid draining
  • check Produces accurate, repeatable parts regardless of size


Investment casting patterns

Aerospace and aviation applications

Transportation applications

Energy and utilities applications

Jigs and fixtures/operational aids

General purpose prototyping


Somos® WaterShed® AF Datasheet


Neo Featured Materials Overview


Impresoras compatibles

Neo series 3d printers

Serie Neo

La confiable y probada serie Neo de impresoras 3D construye piezas de alta calidad con una calidad de la superficie superior, precisión y detalle.

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This is also compatible with Large-frame, 355 nm, laser-based open stereolithography printers