LFT, a long fiber reinforced thermoplastic, is Long Fiber reinforced Thermoplastics, compared to conventional fiber reinforced thermoplastics. Typically, fiber lengths in fiber reinforced thermoplastics are less than 1 mm, while in LFT, The length of the fiber is generally greater than 2 mm, and the current processing technology has been able to maintain the fiber length in the LFT above 5 mm. The long fiber is impregnated with a special resin system to obtain a long strip which is sufficiently wetted by the resin, and then cut into a desired length as needed. The most used matrix resin is PP, followed by PA, and also uses PBT, PPS, SAN and other resins. Only different fibers are needed for different resins to achieve better results; depending on the end use, the finished product can be Strips, which can also be strip-shaped, width-width boards, or even rod-shaped, can be used directly to replace thermoset products.

  The question is, is the modified material produced by the LFT-G factory Xiamen LFT composite plastic Co., Ltd more suitable for injection molding or extrusion? Let us start with a simple understanding. The difference between injection molds and extrusion molds.

  Injection molding is a method in which a material that is heated and melted is injected into a cavity from a high pressure and solidified by cooling to obtain a molded article. Can be roughly divided into the following six stages

Clamping, injection, holding pressure, cooling, mold opening, product removal. The above process is repeated, and the plastic product can be continuously produced.

  The main body of the plastic extruder is an extruder, which consists of an extrusion system, a transmission system, and a cooling system. The most important part of the extruder, the screw, is directly related to the application range and productivity of the extruder, and is usually made of alloy steel with high strength and corrosion resistance. Other parts, barrels, hoppers, heads, molds.

  Our current modified materials, PP (Polypropylene) / PA6 (Polyamide Nylon) / PA66 / PA12 / MXD6 / PPS (Poly phenylene sulfide) / PBT polybutylene terephthalate / PEEK (Polyetheretherketon) / LCP liquid crystal polymer / TPU thermoplastic urethanes / PLA (polylactic acid)/ABS (Acrylonitrile Butadiene Styrene plastic) After adding different amounts of glass fiber and carbon fiber, the customer's main body is used for injection molding and extrusion molding. Mainly to enhance the performance of toughening.

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