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Film Blowing Process & Defect Solutions | Resin Supplier
2025.09.27
I. Process Overview Blown Film forming (film Blowing) is one of the most core processes in the plastic packaging industry and is widely used in food packaging films, agricultural mulching films, shrink films and functional barrier films. This process involves heating and melting plastic particles, extruding them into cylindrical films through the die head of an extruder, then inflating them into shape by air pressure, cooling and setting them, and winding them up. The blown film fo...
Blow Molding Defects & Solutions｜Quality Plastic Materials Supplier
2025.09.27
Blow molding is a process that uses gas pressure to inflate a plastic parison and fit it into a mold, creating a hollow product. It is widely used in beverage bottles, daily chemical packaging, pharmaceutical containers, automotive fuel tanks, and industrial barrels. With increasing international market demand for lightweight, consistent appearance, and durable products, blow molding defect control and raw material selection have become common concerns for both buyers and manufacturers.As...
Extrusion Molding Defects & Solutions | Plastic Resin Supply
2025.09.25
What is Extrusion Molding Extrusion molding is a continuous and efficient plastics processing technology commonly used to manufacture products such as pipes, profiles, films, and cable sheathing. It is gradually expanding into the automotive, medical, and packaging sectors. As global markets increasingly demand product stability and consistency, maintaining quality and reducing defects during the extrusion process are becoming key concerns for both buyers and manufacturers.In m...
Injection Molding Defects & Solutions | Plastic Material Supply
2025.09.22
In industries ranging from automotive parts and medical devices to consumer electronics and food packaging, the stability of injection molded parts directly determines the performance of the end product. However, during the production process, buyers and manufacturers often encounter various defects, leading to increased scrap rates, delivery delays, increased mold maintenance costs, and even reduced customer satisfaction. This article, drawing on industry practices, analyzes common issues ...

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