Modified COF Films
Hostaphan® Polyester Films
Mitsubishi Chemical America, Inc. offers a variety of Hostaphan® polyester film products with a modified surface to impact Coefficient of Friction (COF).
Hostaphan® 2LRLN and 2MRLN are PET films that have one side with low COF to improve handling and processing around forming collars in FFS equipment. The other side exhibits typical COF properties of PET film and is adherable to most inks and adhesives.
Hostaphan® 2RD6MN and 2RD6N are PET films that one side with a high COF (blocks) to reduce bag movement in palletized ‘big bag’ applications for lawn care and pet food. It is used as a reverse print web with the high COF side facing outward. The other side exhibits typical COF properties of PET film and is adherable to most inks and adhesives.
COF Modified Films
| Film Types | Properties | |
|---|---|---|
| Low COF Films | ||
| 2LRLN | Cold seal and adhesive release on one side; adhesion promoting on the opposite side | |
| 2MRLN | Cold seal and adhesive release on one side; adhesion promoting on the opposite side | |
| High COF Films | ||
| 2RD6N | High COF on one side, treated for adhesion on the opposite side | |
| 2RD6MN | Moderate COF on one side, treated for adhesion on the opposite side | |