The transfer of print colours provided by the printing blanket or rubber blanket during the printing process is crucial for a flawless printing result. Therefore, rubber blankets consist of several layers or plies of various materials Each layer and each material performs a specific function during printing.
The rubber or printing blanket may have the following components:
- one or more different cotton fabrics
- a rubber compound for the cover plate
- another rubber compound for the compressible layer, which may be filled with air or gas.