Core Viewpoint - 3D printing technology, also known as additive manufacturing, is widely applied in various fields such as complex structural components, personalized products, and rapid prototyping, with polymer materials dominating over half of the 3D printing materials market [1][2]. Group 1: 3D Printing Polymer Materials - High polymer materials are essential in 3D printing, including photopolymer resins, polymer powders, and filaments, each with specific applications and properties [1]. - Photopolymer resins are suitable for light polymerization and material jetting technologies, rapidly curing under specific wavelengths of light [1]. - Polymer powders are primarily used in selective laser sintering (SLS) and multi-jet fusion (MJF) technologies, with common materials like PA12 and PEEK [1]. - Filaments are mainly used in fused deposition modeling (FDM) technology, with advancements allowing for the use of semi-crystalline polymers [1]. Group 2: Applications of 3D Printing Polymer Materials - The applications of 3D printing polymer materials span across multiple industries, including medical, automotive, aerospace, and consumer electronics [2]. - In the medical field, customized dental prosthetics and orthopedic implants enhance patient quality of life [2]. - In the automotive sector, lightweight components and complex structures reduce vehicle weight and fuel consumption [2]. - Aerospace applications include engine components and thermal insulation materials, improving aircraft performance and safety [2]. - Consumer electronics benefit from personalized accessories like phone cases and headphones, expanding consumer choices [2]. Group 3: Industry Leaders and Innovations - Leading companies such as Arkema, SanGreen, Anisoprint, and others showcased their latest 3D printing polymer and composite materials at the 2025 Shanghai TCT Asia Exhibition [2][4][6][11]. - Arkema presented high-performance materials solutions like Sartomer's N3x tDimension® photopolymer resin and Orgasol® PA12 for various 3D printing processes [4]. - SanGreen displayed products including PA6-GF and PA12-CF, highlighting a collaboration with Tsinghua University for a lightweight drone made from nylon 12 and carbon fiber [6]. - Anisoprint introduced its patented Composite Fiber Co-Extrusion technology, offering a range of continuous fiber-reinforced materials for various applications [11]. Group 4: Material Performance and Characteristics - Materials like PEEK, PEKK, PA11, PA12, and carbon fiber-reinforced composites (e.g., PA12-CF) exhibit excellent mechanical properties, chemical resistance, and high-temperature stability, making them suitable for aerospace, automotive, and medical applications [54]. - Continuous fiber 3D printing technology is gaining traction, with equipment available from desktop to industrial levels, widely applied in low-altitude economy, robotics, and aerospace [55]. - The industry is focusing on multi-scenario solutions, emphasizing carbon fiber reinforcement, lightweight, and flexible materials, with a future emphasis on sustainability [56].