Blown Film How Collapsing Frames Influence Wrinkles in Blown Film Rolls Posted on 2026-10-282026-10-28 Wrinkles in a blown film roll often send operators straight to the winding section. Tension settings get adjusted, roller pressure is checked, and the line may be slowed down for another trial. Sometimes the changes help. In other cases, the same crease returns on the next roll because it started... Read more
Blown Film Why Does Recycled Resin Affect Bubble Stability Posted on 2026-10-212026-10-21 A film line can run steadily for one production batch and start behaving differently after the material supply changes. The bubble may widen slightly, drift to one side, or move back and forth above the die. Machine settings have not necessarily changed, yet the film coming off the line no... Read more
Blown Film How a Film Bubble Is Formed in Blown Film Production Posted on 2026-09-082026-09-17 Watch a blown film line running at full speed and there's a strange, almost hypnotic moment where a flat sheet of molten plastic somehow turns into a slowly rising, glossy tube of air. It looks a little like watching a balloon inflate in slow motion, except this balloon eventually gets... Read more