Somos 9100

Description

DSM Somos^® 9100 is a high-speed liquid Photopolymer that produces robust, functional and accurate parts using stereolithography machines. It has a wide processing latitude and excellent tolerance to a broad temperature and humidity range during and after build as well as offering superior chemical resistance. Somos^®9100 offers a good balance of properties between rigidity and functionality. This material is especially useful in applications where durability and robustness are critical requirements (e.g., automobile components, electronic housings, medical products, large panels and snap-fit parts).

Application

Somos^® 9100 Photopolymer is used in the solid imaging process to build three-dimensional parts. It is for use with a layer thickness of approximately 0.10 mm to 0.25 mm (0.004 inch to 0.010 inch). After part formation via UV laser exposure, rinsing with a solvent such as tripropylene glycol monomethyl ether (TPM) or propylene carbonate followed by a rinse in 2 - propanol (isopropyl alcohol, IPA) removes the excess resin. Then the part is post-cured by UV fluorescent light.

Physical Properties – Liquid

Appearance	Transparent Amber
Viscosity	~560 cps at 30° C
Density	~1.11 g/cm³

Optical Properties at 351 nm

Initial values for determining working curve for an Ar+ ion laser operating at 351 nm

*E_c*	6.7 mJ/cm²
[critical exposure]
*D_p*	0.152 mm (0.0053 inch)
[slope of cure-depth vs. ln (E) curve]
E₅	19 *mJ/cm²*
[exposure that gives 0.127 mm (0.005 inch) thickness]
*E₁₀*	44 *mJ/cm²*
[exposure that gives 0.254 mm (0.010 inch) thickness]