1.Grade: BIO-91
2.Filtration Speed: Medium
3.Pore ​​sizes: 10μm
4.Disc: 50, 70, 90, 110, 125, 150, 180mm or OEM

Availability: In Stock

Description of No. 91 Filter Paper:

No. 91 wet-strengthened filter paper, with a pore size of 10 microns, is a wet-strengthened qualitative filter paper developed by Hawach on the basis of its high test gun performance, and excellent retention capacity.

Features of  HAWACH No. 91 Filter Paper:

  • Higher wet burst
  • 10μm pore size
  • Medium flow rate
  • Diameter from 70mm to 180mm
  • 10 micron filter paper with its high test gun performance and excellent retention capacity, No. 91 wet strength filter paper can perform well in vacuum or positive pressure filtration, and also has good chemical resistance, users can choose according to their needs.

Application:

  1. 10 micron filter paper often for less demanding routine analysis, worldwide, for the analysis of sucrose components in cane sugar.
  2. Widely used for routine sample filtration in pharmaceutical laboratories.
  3. Filtration of the gold ore-cyanide reaction solution, electroplating solution, etc.

HAWACH also produces the No. 113 wet-strengthened filter paper with 30μm pore size, the fastest flow rate, and other products No. 40 quantitative filter paper, etc.

Selection Guide for Filter Paper

filter paper selection

Grade Comparison

HawachWhatmanAdvantecMunktellAhlstromMacherey Nagel
BIO-91Grade 91n/a55/N615n/a

Technical Data

GradeSeparating
Property
Filtration
Seconds
Filtration
Speed
Ash Content
(%)
Pore Size
(μm)
Basis Weight
(g/m2)
Wet Burst
(mm H2O)
BIO-91PbSO4> 35 –< 70Slow<0.131084>= 320

Ordering Information

Item #DescriptionNO.pore sizeflow ratediameterpack
BIO-91-070Wet Strengthened Qualitative Filter PaperGrade 9110μmMedium70mm100pcs/pk
BIO-91-09090mm
BIO-91-110110mm
BIO-91-125125mm
BIO-91-150150mm
BIO-91-180180mm

Certificates

Certificates

CONTACT FORM