Clwclw5160glqz3 Cheng Liwei Asphalt Distributor0086 18672730321 Ec91083964

Injection molding process fault amp remedies air traps voids amp bubbles an air trap is air that is cut inside the mold cavity. it becomes trapped by converging polymer melt fronts or because it failed to escape from the mold vents, mold insert, which also act as vents.

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