Ash-free paper (max 0.002%) made exclusively of cellulose cotton fibers. Used for routine gravimetrical analysis. Intermediate filter in terms of flow rate and retention. Surface weight 80 g/m², pore 8 - 12 ?m, thickness 270 ?m. Available in flat disks. Equivalent to: Whatman 40
sales unit reference: QNDM-110-100, Ø (mm): 110, type: disk, pcs per sales unit: 100