Ejection, also known as ejection marks or ejection drool, refers to the phenomenon of fibrous streamlines at the gate of plastic products, which usually occurs when the mold uses a side gate. When the plastic melt flows through narrow areas such as nozzles, runners and gates at high speed, it suddenly enters an open, relatively […]
Tag Archives: Plastic Contract Manufacturing Companies
Plastic Contract Manufacturing Companies Plastic Injection Molding Defects: Causes and Solutions Filling Defects Filling defects often result in incomplete filling or edge collapse, leading to defective products, wasted material, labor, and time. Possible causes include:Nozzle Temperature: Too low Material Supply: Insufficient Flowability: Poor Injection Pressure: Too low Gate: Too small or incorrectly positioned Mold Surface: […]
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