PE protective film is made of high gloss plastic shell and tear off the protective film. There is a scratch on the plastic shell,
The solutions include increasing the temperature of the tube, increasing the nozzle temperature, increasing the nozzle diameter, reducing the sol velocity, increasing the injection pressure, increasing the mold temperature, and changing the inlet position of the cooling water away from the glue port
This is not a protective film. It is likely to be a flow mark. The main problem is the formation of wavy stripes on the surface of the adhesive or narrow and short finished products
Hello, contact me, say what you see on Baidu, and first of all, declare what you are doing and what's the problem,
