 Braskem B3: BRKM3, BRKM5 and BRKM6; NYSE: BAK; LATIBEX: XBRK, the largest polyolefins producer in the Americas and leading producer of biopolymers in the world, and Advanced Laser Materials ALM a leader in materials development for additive manufacturing AM, today announced the availability of polypropylene PP powder for Selective Laser Sintering SLS industrial 3D printing. 