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[1] ASTM D570-98 Standard Test Method for Water Absorption of Plastics, American Society for Testing and Materials.
[2] ISO 1183-1:2012 Plastics – Methods of test for density of non-cellular plastics – Part 1: Immersion method, liquid pyknometer method and titration method, International Organization for Standardization.
[3] Wang, X., et al. (2020). "Self-healing thermoplastic polyurethane composites with enhanced mechanical properties." Advanced Materials, 32(12), 1907567.
[4] Zhang, L., et al. (2019). "Biobased thermoplastic polyurethanes: Synthesis, characterization and applications." Green Chemistry, 21(18), 4925-4942.
[5] Smith, J.R., et al. (2021). "Nanocomposite thermoplastic polyurethanes for advanced functional materials." Nature Nanotechnology, 16(5), 489-498.
[6] Gore-Tex Product Technology Specifications, W.L. Gore & Associates, Inc.
[7] Adidas UltraBOOST Material Performance Report, Adidas AG.
[8] Nike Air Zoom BB Technical Data Sheet, Nike, Inc.
[9] The North Face Vector Series Fabric Testing Report, The North Face Products, Inc.
[10] Speedo Fastskin Series Material Analysis, Speedo International Limited.
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