SPECIFICATIONS
Type of filter paper: Qualitative Filter Papers
Grade Type: Ashless
Surface: Smooth
Pattern : Plain
Pore size: 4 μm
Flow rate (approximate): 19 Herzberg (s)
Particle retention: 98 %
Nominal caliper: N.A
Dry burst strength: 124 kPa
Wet burst strength: 2.0 kPa
pH: 7.0
Ash content (Percent by Mass): 0.009
 
MATERIAL
Material of filter paper: Cellulose
 
DIMENSION AND THICKNESS
Diameter of filter paper: 70 mm
Thickness: 0.21 mm
weight ± 2 (g/square meter): 87
 
MARKING AND PACKING
Number of pieces in each packet: 100 pieces
Details of marking on packet: Nominal Grammage, Nominal Caliper, Grade of filter paper, date of packing, Number of pieces in the package, Indication of the source of manufacture, Manufacturing and Expiry date.
 
TESTING AND CERTIFICATION
Availability of Test Report from Designated AHSP / NABL / ILAC accredited or Central Government Lab to prove conformity of products to the specification: No