Blaine method filter paper No.5A 250 sheets 01511012 1 box (250 sheets)

It is used for the Blaine air permeability device used for specific surface area testing as specified in JIS R 5201 [Physical testing methods for cement]. This is a punched out quantitative filter paper No. 5. Product name: No. 5A JIS P 3801: Type 5A Mass(g/m2):97 Thickness(mm):0.22 Drainage time (s): 60 Water Absorbency (cm): 9.5 Bursting strength (kPa): 61 Wet burst strength (kPa): 10 Retention particle size (μm): 7 Ash content (%): 0.01 Maximum operating temperature (℃): 120 pH range: 0-12 Size(mm):Φ12.7 Quantity: 1 box (250 sheets) RoHS2 (EU)2015/863 compliant [About RoHS]