https://www.avient.com/sites/default/files/2021-10/microbial-susceptibility-of-various-polymers-and-evaluation.pdf
In this study, a variety of plastic substrates (30 unique polymer compounds), including poly(acrylonitrile-co-butadiene-co-styrene), poly(butylene terephthalate), poly(etherimide), various thermoplastic elastomers (TPEs), poly(carbonates), and poly(amides), were screened for susceptibility to microbial attack using American Society for Testing and Materials (ASTM) G21 (fungi susceptibility), Japanese Industrial Standard (JIS) Z2801, and modified ASTM E1428-15a (bacterial suscep- tibility) test standards.
Samples were prepared via extrusion utilizing a Leistritz ZSE 27 mm co-rotating twin-screw extruder (Leistritz Advanced Technologies Corp., Nuremberg, Germany), followed by injection molding of 5 � 600 (12.7 � 15.24 cm) plaques, 0.12500 (3.175 mm) thickness using a Milacron™ Roboshot™ S2000i.1 For antimicro- bial testing, specified test specimens were prepared from the aforementioned plaques.
Control samples (top row) are shown for comparison to samples post-incubation and washing (bottom row) TABLE 1 Summary of ASTM G21 results for initial susceptibility screening of untreated resins/compounds Fungal growth Resin/compound 4 = Heavy growth (61%– 100% coverage, fail) TPE, 6 formulations 3 = Moderate growth (31%–60% coverage, fail) Poly(urethane), 2 formulations 2 = Light growth (11%– 30% coverage, fail) Nylon-6,10, PBT, poly(amide) elastomer, ABS, 3 formulations, reinforced Nylon, 2 formulations 1 = Trace growth (
https://www.avient.com/sites/default/files/2021-01/virtual-reality-application-bulletin.pdf
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https://www.avient.com/sites/default/files/2024-08/Avient Thermoplastic Composite Tapes Product Overview.pdf
Available in rolls of unidirectional tape as well as X-Ply™ 0°/90° and other multi-ply laminates, Polystrand materials can be post- formed and co-molded with mixed materials in thermoforming and injection molding processes to provide lightweight strength to a variety of part designs.