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In order to solve the above-mentioned process defects of the reinforcing material, attention should be paid to the following matters when forming:
1, should use high temperature, high pressure, high speed injection.
2, the mold temperature should be high (the crystal material should be adjusted according to requirements), and at the same time should prevent the accumulation of resin glass fiber, glass fiber exposed and local burns.
3, pressure holding and shrinking should be sufficient.
4. The plastic parts should be cooled evenly.
5. The change of material temperature and mold temperature has great influence on the shrinkage of plastic parts. The high temperature and large shrinkage, the pressure holding and the injection pressure increase, the shrinkage can be reduced but the influence is small.
6, due to good thermal rigidity, high heat distortion temperature can be demolded at higher temperatures, but pay attention to uniform cooling after demolding.
7. Appropriate release agent should be used.
8, should be formed with a screw injection machine. In particular, long fiber materials must be processed by a screw type injection machine. If there is no screw type injection machine, it should be processed on a plunger type injection machine after granulation like short fiber material.
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July 06, 2023
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.