These paper boards are used for the filtration of cooking and transformer oils, galvanic baths and as base paper for further impregnation with certain reagents. They are made of refined pulp or cotton linters.

• Smooth
• Supplied in sheets, discs and as well as customer specific cuts

Grades with a wet burst resistance >30 kPa are referred to as wet-strengthened and are therefore suitable for pressure or vacuum filtration.