Maximum ash content 0.10%. Vellum paper used for general laboratory filtration. Surface weight 65 g/m², pore 7 -10 ?m, thickness 170 ?m. Available in flat disks (packed in foiled bags of 100 disks, with no carton box), or folded (in a carton box). Equivalent to: Whatman 93

Maximum ash content 0.10%. Vellum paper used for general laboratory filtration. Surface weight 65 g/m², pore 7 - 10 ?m, thickness 170 ?m. Available in flat disks (packed in 100 disks bag foiled packaging, with no carton box), or folded (in a carton box). Equivalent to: Whatman 93