| 摘要 |
The invention provides a substrate forming a web of primary labels. One side has a silicone release coating and the other side has pressure sensitive adhesive so that the web can be wound into roll form without the use of a carrier sheet. In order to enable overprinting or secondary labels to be anchored to the primary labels a keying coating is applied over the silicone release coating, said keying coating comprising basically a silicone low tack pressure sensitive adhesive mixed with an organic solvent. |
