Nanjixiong learned on October 27, 2026, that Fangdi Technology, a company incubated at Tsinghua University, recently introduced Plexint™ PBT, a domestically produced powder for SLS 3D printing.
PBT, or polybutylene terephthalate, is one of the five major engineering plastics. It offers high stiffness, dimensional stability, and excellent electrical properties. Compared with PA12, PBT provides better heat, fatigue, and creep resistance and absorbs less moisture, making it suitable for parts exposed to heat and humidity, including automotive electronic components, connectors, and housings.
Using its FineBlock™ platform, Fangdi has developed four grades: unfilled, glass-bead-reinforced, glass-fiber-reinforced, and carbon-fiber-reinforced. The unfilled E4100 grade targets PA12 performance at just 50% of its cost. Powder reuse can reach 95%, compared with about 80% for PA12. It can also be printed directly on the most widely installed class of standard-temperature SLS machines, without requiring a high-temperature model.
AI-translated from an article by Kuaixiong on Nanjixiong, originally published on 2026-10-27. Text and images retain the original source attribution.
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