 SÃO PAULO and PHILADELPHIA, Sept. 16, 2021 PRNewswire -- Braskem B3: BRKM3, BRKM5 and BRKM6; NYSE: BAK; LATIBEX: XBRK Company, the largest polyolefins producer in the Americas, as well as a market leader and pioneer producer of biopolymers on an industrial scale, announces its partnership with Gelmart International Gelmart, a leading global manufacturer of intimate apparel. 