Industry News Introduction to PEN Cast Film Production Line and Its Products PEN film is a type of film made by polymerizing poly (naphthalene dicarboxylic acid) and ethylene glycol. The commonly used production process is to produce a fi… Industry News 13 2024-10-10 上一页1... 3233343536373839...231下一页
Introduction to PEN Cast Film Production Line and Its Products PEN film is a type of film made by polymerizing poly (naphthalene dicarboxylic acid) and ethylene glycol. The commonly used production process is to produce a fi… Industry News 13 2024-10-10