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Ahlstrom Filtration 6310-2500
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Ahlstrom Filtration Grade 631 Standard Non Wet-strengthened Qualitative Filter Paper, 25 cm dia

Qualitative Filter Paper, 25 cm dia, White, Cotton, Grade 631, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.235 mm Thickness, 10 µm Particle Retention in Liquid, 87.8 g/m2 Nominal Basis Weight, Medium Flow, Coarse Porosity

  • Manufacturer Part No: 6310-2500
  • SECO Part No: 6310-2500
  • Sold As:
  • Availability: loading

Ahlstrom grade 631 is used for filtration of coarse particles and some gelatinous precipitates air monitoring when high flow rate is needed and in routine cleanup analysis of insoluble liquids. This low ash grade contains more than 95% super refined alpha-cellulose and linter fibers. Flow rate: medium. Retention: 10 µ. Ahlstrom offers a complete range of low ash filter papers for general laboratory work that provides you with the correct combination of particle retention filtration speed loading capacity and wet-strength. All our qualitative grades consist of > 95% super refined a-cellulose and linter fibers.

Diameter : 25 cm
Grade : 631
Color : White
Material : Cotton
Ash Content : 0.06%
Grade Type : Standard, Non Wet-strengthened
Type : Qualitative
Alpha Cellulose Content : >95% Super Refined
Filtration Speed : 34 sec/100 ml (Herzberg)
Format : Circle
Particle Retention in Liquid : 10 µm
Properties : Medium Flow, Coarse Porosity
Thickness : 0.235 mm
Typical Water Flow Rate : 200 ml/min
Wet Burst Pressure : 76.2 cm
Loading Capacity : High
Rapidity Filtration Speed : 200 ml/min
Klemm (Capillary Rise) : 38 mm/min
Frazier Air Permeability : 4.5 cfm/ft2
Basis Weight : 87.8 g/m2
  • Qualitative analysis
  • Untreated
  • Consistent performance
  • Bulk packaging

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