SLA is short for stereolithogaphy and is a 3D-printing technology that is commonly used for models and prototypes. Typically the mechanical properties are not very favorable for functional parts, especially compared to parts made from PBF-LB/P.
In the SLA process a light hardened resin is scanned with a laser, that selectively polymerizes the resin. After the procedure, it is cleaned from the liquid and then post hardened in a UV oven.
The surfaces are usually very smooth and translucent materials can be used, but the mechanical properties are usually not favorable since the material ends up being brittle.
Typical applications are models, prototypes and patterns. There are variations and materials that are able to produce functional parts as well.
