News
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Plastic Injection Molding Defects: Sink Marks and Their Remediation
1. Phenomenon of the Defect** During the injection molding process, certain regions of the mold cavity may not experience sufficient pressure. As the molten plastic begins to cool, areas with larger wall thicknesses shrink slower, generating tensile stress. If the surface rigidity of the molded p...Read more -
Understanding Black Streak in Plastic Products: Causes and Solutions
“Black streaks,” also known as “black lines,” refer to the black-colored streaks or lines that appear on the surface of plastic parts. The main cause of black streaks is the thermal degradation of the molding material, which is common in plastics with poor thermal stabilit...Read more -
Challenges Faced by Yuyao’s Plastic Injection SMEs in Foreign Trade and Their Resolutions: A Case of Insufficient Brand Awareness and Trends of Business Internetization
Yuyao, situated in the east shore of Zhejiang Province, China, boasts a bustling industrial landscape, renowned for its vibrant plastic and moldmaking industries. Amidst this thriving environment, Small and Medium Enterprises (SMEs) have taken root, contributing significantly to the local econom...Read more