Product News

BJY has been deeply involved in the PET packaging industry for over ten years. We specialize in designing and making preform molds, Blow Molds, mold frames, and spare parts for production lines. With a focus on precision and quality, we deliver dependable packaging solutions to clients worldwide. 

Foshan Baijinyi shares expert blow molding mold setup and maintenance tips to boost production stability and mold lifespan.

In the rapidly evolving world of PET bottle manufacturing, every detail counts. At BaijinYi Precision Technology, we continue to lead the way in high-performance mold solutions. One of our latest innovations—super venting Base Molds specially developed for compatibility with Krones bottle blowing systems—is already making a difference for manufacturers seeking to improve efficiency, reduce costs, and meet sustainability goals.

Producing high-quality PET bottles isn’t just about the right materials—it also depends on mastering the blow molding process. Even with the best equipment, manufacturers often encounter recurring issues that affect product clarity, durability, and consistency. In this guide, we highlight some of the most common problems in PET bottle blowing, along with proven, easy-to-implement solutions that can streamline your production and reduce costly defects.

Producing high-quality PET bottles isn’t just about the right materials—it also depends on mastering the blow molding process. Even with the best equipment, manufacturers often encounter recurring issues that affect product clarity, durability, and consistency. In this guide, we highlight some of the most common problems in PET bottle blowing, along with proven, easy-to-implement solutions that can streamline your production and reduce costly defects.

Causes：
1.Quality issues with raw material performance
2.Poor drying effect
3.Barrel heating temperature is too high（＞285℃）
4.Too high screw backpressure
5.Cycle time is too long