ICDD’s PDF® Entry of the Month
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Potassium Lithium Magnesium Silicon Oxide Fluoride: PDF Entry 04-010-2715
PLA is a bio polymer, biodegradable, and is one of the commonly used 3D printing polymers. The additional PDF entries shown here show PLA in the amorphous state (00-064-1622) and crystallized in the alpha prime (00-064-1623) and alpha (00-064-1624) crystalline forms depending on thermal processing. PLA is chiral, with D (dextrorotatory, clockwise) and L (Levorotatory, anticlockwise) optical isomers. When PLA has greater than 10% D isomer, the PLA will remain amorphous even after thermal annealing. Click on the images for more detail.