Unstable bubble blowing can be caused by various factors, including cooling air, environmental airflow, and B.U.R. Here are the common checks and solutions:Air Ring Exit Position: Check if the air ring...

Thickness or gauge variation can result from issues with the air ring, die head, material feeding, or B.U.R. Here are common checks and actions:Incorrect Coupling Between Air Ring and Die Head: Ensure...

The optical properties of blown film are influenced by the material type, temperature, and die gap size. Here are common checks and solutions:Frost Line Too High: Lower the height of the frost line to improve...

Blown film productivity is mainly influenced by the die head, extruder, and cooling effect. Here are common checks and actions:Too High Pressure of Die Head? Check for screen changer blockage. Consider...

Melt fracture, also known as sharkskin or surface melt fracture, often occurs at the die head and material stage. Here are common checks and solutions:Die Gap Too Narrow? Replace with larger gap die inserts...

Blocking bubbles occur when the opposite faces of the film stick or adhere to each other. Here are common checks and solutions:Insufficient Bubble Cooling? Increase the cooling air supply to prevent...

Sealing quality is influenced by sealing dwelling time, temperature, blade clamping pressure, and cooling conditions. Here are common checks and solutions:High Film Thickness Variation or Incorrect Gauge? Refer...

Die lip build-up or die line can occur when the die head or molten temperature is too high. Here are common checks and solutions:Die Head Temperature Too High? Decrease the die head temperature to avoid...

Extruder feeding and temperature settings are critical for optimal performance. Here are common checks and solutions:Improper Extruder Temperature Setting? Readjust and properly set the extruder temperatures...