IFN_02-2020_Packaging_Bioweb Ken Norberg April 27, 2020 180 Views Ahlstrom-Munksjö has developed two ranges of teabag materials using polylactic acid, a renewable biopolymer. The company’s BioWeb and Fiber+ ranges are renewable, certified compostable and oil-based plastic free. Ahlstrom-Munksjö has developed two ranges of teabag materials using polylactic acid, a renewable biopolymer. The company’s BioWeb and Fiber+ ranges are renewable, certified compostable and oil-based plastic free.