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  • 2021-05-17

    In the foaming process, especially under the high shear rate of the extrusion process, as the bubbles grow, the surface tension and melt strength of the PET are insufficient, and the bubble walls become thinner, which easily leads to the rupture of the cells. Therefore, improving the melt strength to prevent cell rupture is a prerequisite for PET foam molding.

  • 2021-05-10

    At 2021 Chinaplas, Nanjing Chuangbo Machinery Co., Ltd. launched a complete set of supercritical carbon dioxide foaming extrusion line and continuous fiber reinforced thermoplastic unidirectional prepreg sheet production line.

  • 2021-04-06

    Advantages of PET Foam MaterialPET foam has good dimensional stability, good sound insulation, and heat insulation properties. Its short-term maximum working temperature can reach 200 ℃, and it can be used for a long time at a high temperature of 120 ℃, which is much higher than polyethylene (PE), p

  • 2021-03-15

    This article mainly introduces 11 common problems and solutions for the quality of TPE extruded pellets. Including but not limited to long strips larger than normal pellets, pellets linking, centipede, black speckled particles, etc.

  • 2021-03-08

    Supercritical co2 assisted tandem line is made for both grafting process and foaming. This line consists of mixer, loader, loss-in-weight feeder, twin screw extruder, single screw extruder, CO2 gas feeder, screen changer, water cooling strand pelletizing, melt pump, and static mixer.

  • 2021-02-22

    Introduction to the extrusion system of the laboratory extruder, including extruder screw, cylinder, hopper, extruder head and mold. We also tell you how to maintenance the lab scale twin screw extruder. Click the bolg to get more information.

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