When the PE film is blown, the film roll may miss the corona treatment-technical knowledge
When the PE film is blown, the film roll may be missed. Corona treatment Source: Protective film factory direct sales Release time: 2019-04-17 Click: 1871 PE film is our focus: there may be film rolls that may be missed when the film is blown Corona treatment; too large or uneven film thickness causes insufficient corona effect; blown film is caused by adding too much slip agent or too large proportion of high slip particles, causing the corona effect to drop significantly. When the corona effect on both sides of the 12~15um PET film is not much different, it is easy to cause the printing film roll back sticking failure. Corona requirements for printing film: BOPP, PE≥38 dyne, PET≥50 dyne. When purchasing films, you must explain the purpose and requirements of the film to the supplier. Now the types of films are refined. Just say the names of PET and BOPP, the supplier may have several varieties, but not all of them are suitable. Foshan Bowei Environmental Protection Material Co., Ltd. is an electronic material supplier with 10 years of experience. It can produce PET film with various functions, such as: sub-(matte) PET film, flame-retardant (fireproof) PET film, inkjet printing film , Antistatic PET film, anti-fog PET film, anti-UV PET film, non-shrinking PET film, PET release film, etc. Interested parties welcome to inquire!