The Advantage Of Homopolymer & Copolymer PP LGF20 Granules

The same type of glass fiber reinforcement materials competing with PP-LGF mainly include GMT and PP-SGF.Among them, PP-LGF integrated strength, heat resistance and processability and other advantages, widely used in automobiles.Compared with GMT, PP-LGF parts can be injection molded, which improves production efficiency and design freedom.Compared with PP-SGF, PP-LGF has better heat resistance, mechanical strength and creep resistance, especially suitable for some occasions that PP-SGF can not meet;Pp-lgf has lower cost and can replace THE application of PA-SGF to a certain extent.

Details can be seen in the following table:

Melt impregnation method is the most widely used method at present, and almost all PP-LGF materials in China adopt this method.The process flow is as follows: PP resin and additives are fused and extruded into impregnating die by extruder;Then the glass fiber is evenly dispersed, and the continuous glass fiber bundle with pretension passes through the dipping mold and under the action of extrusion and pulling of the die head with a special structure, the glass fiber and the melt are forced to dip to achieve the dipping effect;Finally, the grain length can reach 5-25mm.

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