520 A 1/2 Folded Filters 240 mm

520 A 1/2 Folded Filters 240 mm

Product Details:


Price And Quantity

  • 1 Unit
  • 9980 INR

Trade Information

  • Udaipur
  • 100 Unit Unit Per Month
  • 15 Days
  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
  • All India

Product Description

520 A 1/2 Folded Filters 240 mm

  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses.
  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed.
  • Increased total loading capacity as more filter area is available.
  • Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.
  • The preplating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.
  • Time-saving Whatman qualitative grades are offered in this convenient form, which gives major advantages over flat circles.
  • Also available in flat stock form as Grade 520 a.

Product Specification:


Grade 520 a 1/2 Qualitative Filter Paper Folded (Pre plated), 240 mm


Grade 520 a 1/2

Grade Type

Folded (Pre plated)

Particle Retention in Liquid Max.

18 micro-m

Typical Thickness

300 micro-m

Basis Weight

90 g/m2

Filtration Speed (Herzberg)

Approx. 17.5 s



Alpha Cellulose Content Min.



Very fast, creped, high wet strength


Frequently used in technical applications such as the filtration of viscous liquids and emulsions.


240 mm

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