LFT stands for Long Fiber Reinforced Thermoplastics that is made by fusing fiber and resin by an injection molding process that offers higher stiffness, strength, and durability than short fiber composites, Mainly due to the shorter fiber end of the fiber, filling performance is good
link:http://www.lfrt-plastic.com/long-glass-fiber-tpu/long-glass-fiber-thermoplastic-tpu.html