Release Liners
A release liner is a paper or plastic based carrier web material, which is coated on one or two sides with a release agent, which provides a release effect against any type of a sticky material such as an adhesive or a mastic. Release liners are available in different colors, with or without printing. Release papers for silicone coating play the vital role of carriers of pressure-sensitive adhesive (PSA) labels and tags through conversion and dispensing. They’re also used in the manufacturing of self-adhesive materials and components for an ever-increasing number of tape, industrial and graphic applications.
Glassines
This paper grade encompasses the highest degree of density and offers an optimal surface for a consistent silicone coating. Besides good coating capability, Glassine is manufactured within narrow caliper tolerances and provides good die-cutting performance. Due to its low absorption level, thin and consistent silicone coatings can be applied. Especially for double sided liners within narrow release differentials, Glassine offers considerable advantages in comparison to other paper carriers.
Possible Product Combinations
| Available basis weights: | 40 – 160 g/m² ( approx. 21,5 – 98 lbs/ream) |
| Paper Color: | upon request |
| Coatings: | single and double sided |
| Silicone: | solvent free; available also with low friction additive and in tinted version |
| Print: | reverse side or with print under silicone possible (single color flexographic) |
| Specialty: | also available as repulpable version |
SCK (Super Calendered Kraft paper)
Though also super calendered, this liner is less densified in comparison to a Glassine paper. Reverse side roughnesses as well as caliper of a SCK liner are significantly higher, if compared with a Glassine.
Possible Product Combinations
| Available basis weights: | 68 – 90 g/m² (approx. 30 – 50 lbs/ream) |
| Color: | white |
| Coatings: | single and double sided |
| Silicone: | solventfree; available also with low friction additive and in tinted version |
| Print: | reverse side or with print under silicone possible (single color flexographic) |
| Specialty: | also available as repulpable version |
CCK (Clay coated Kraft paper)
Clay Coated Kraft papers combine two major advantages. Due to their top coating, these papers provide a very consistent surface and good dimensional stability. The variations on clay coatings are very versatile, starting from one side coated papers with single clay layers to double sided clay coated liners with multiple top coatings and high internal bond constructions. Available surfaces range from high gloss to matt finish. Our clay-coated release papers range from 50 to 180 gsm. They ensure a perfect coating with all silicon systems for a wide range of PSA graphics, PSA labels in sheet format, and many other applications.
Possible Product Combinations
| Available basis weights: | 80 – 150 g/m² (37 – 92 lbs/ream) |
| Colors: | white; colored liners upon request |
| Clay Coatings: | single or double sided |
| Surface Finish: | glossy to matt finish |
| Release Coating: | single or double sided |
| Silicone: | solvent free; available also with low friction additive and in tinted version |
| Print: | reverse side or with print under silicone (single color flexographic) |
| Specialties: | reverse side PE-extruded with our without perforation |