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Johnson Wet Strengthened Medium Flow Filter Papers - 70mm Diameter - Pack of 100

by Johnson Test Papers

Product code: HC1683647

£4.27 exc. VAT

Designed for reliable filtration in science classrooms, these Johnson wet-strengthened filter papers are ideal for practical experiments in primary, secondary, and college settings. Their medium flow rate and robust construction support a range of chemistry investigations, making them a versatile choice for teachers and students alike.

  • Pack of 100 qualitative filter papers
  • 70mm diameter; grade 321
  • Medium flow properties with pore size 4–7µm
  • Thickness: 0.19mm
  • High wet strength for use with strong acids or alkalis
  • Suitable for removing residues with a spatula or water jet

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