PLA filaments in 3D Printing

Polylactic acid (PLA) stands as one of the original plastics, with its initial creation dating back to 1938, although it wasn't introduced to the commercial market until much later. Its emergence as an environmentally friendly, biodegradable alternative to PET came about in the 1980s. The fundamental PLA filament consists of a lengthy chain of lactic acid blended with nucleating agents and plasticizers, which is then extruded into a fiber. This foundational material can be elevated with a wide assortment of enhancements, including carbon fiber, wood fibers, metal particles, various colors, graphene flakes, copolymer additives, and modifiers for melt viscosity. More straightforward filaments are denoted as PLA, while those featuring a more intricate blend of additives are labeled as PLA+.

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