MUNKTELL filter paper no. 292a No.2 Equivalent Filtration Properties: Slowly filtering, tight fiber matrix Applications: Filtration of fine precipitates such as lead dioxide, calcium fluoride, nickel sulfide, zinc sulfide (Typical properties) Basis weight (g/m²) 97 Filtration time for distilled water (s) 60 Wet bursting strength (kPa) >5 Dicke Thickness (mm) 0.18 Ash Content (%) 0.06