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What is Stereolithography?

Stereolithography is a layer additive rapid-prototyping process based on the use of photopolymer liquid resins which solidify when exposed to UV light. A software program transfers the designer's 3-D CAD model into an electronic file for stereolithography machines ('STL'format), composing the information into thin cross sections or layers. A laser beam then traces each layer onto the surface of a vat of photopolymer resin, building the part in repeated layers until a solid replica of the original CAD model is completed.

DSM Somos ProtoFunctional Resins for Stereolithography

DSM Somos ProtoFunctional resins range from the industry's first transparent, tough and durable resins (Somos 10120 WaterClear™) to flexible resins for material properties similar to polyethylene (Somos 8100 series) or polypropylene (Somos 9100 series) to the latest generation of heat-resistant, humidity-tolerant, high-accuracy epoxy resins suitable for investment casting and direct tooling applications (Somos 7100 series). Each family of Somos photopolymer epoxy resins is comprised of materials singularly formulated and optimised for the variety of stereolithography platforms commercially available: Somos XX'00' resins are for use in Argon ion laser systems; Somos XX'10' for Helium Cadmium laser systems; Somos XX'20' resins for platforms utilising Solid State laser systems.

About DSM

DSM Somos is an unincorporated subsidiary of DSM Desotech Inc, a world leader in the development of specialty UV-curable materials. Together, we are part of the global DSM family, headquartered in the Netherlands and active worldwide in life science products, performance materials and industrial chemicals.

DSM's products are used in a wide range of end-use markets and applications, including human and animale nutrition and health, cosmetics, pharmaceuticals, the automotive industry, coatings the construction industry and the electrics & electronics market. The group has annual sales of around € 8 billion and employs about 24,000 people worldwide. DSM is a leading world player in many of the markets in which it operates and has plants and facilities on every continent.

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