Release liners for envelopes are generally PE or OPP. With both hygiene and ease of use in mind, increasing numbers of envelopes are now self-sealing. These, along with document envelopes, use release liners to protect the adhesive prior to use.
To find out more about the range of release liners we manufacture for envelopes please contact us with your specific enquiry contact us page
|Base Material||Nominal Thickness||
|Filmic Liners||Microns||One Side||Two Side||Two Side Differential|
|MDPE (Medium Density Polyethylene)||40 - 350|
|HDPE (High Density Polyethylene)||20 - 350|
|OPP (Biaxially Oriented Polypropylene)||20 - 80|
|PET (Polyester)||9 - 250|