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2. The parting surface of the mold is lack of necessary exhaust holes or the exhaust holes are insufficient, blocked, and in poor position, and there are no machining gaps such as inserts and thimbles for exhaust, resulting in that the air in the cavity cannot leave at the same time when the plastic enters. These reasons can also cause the occurrence of bubbles in injection molds.
3. If the surface roughness of the injection mold is poor, the frictional resistance is high, causing local hot spots and the decomposition of the passing plastic, it will also cause the appearance of bubbles.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.
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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.