This specification is as a referrence, we will produce suitable filter paper according to customers request. Shipment within 20 days after received the advance or the L/C at sight validity.

Specifications of filter paper:

1. Basis weight: 130± 5 G/M2

2. Thickness≥ 0.43 mm.

3. Air permeability≥ 240 L/m2, s

4. Pore size Maximum≤ 71 Micron

5. Pore size Mean ≤ 61 Micron

6. Bursting strenght ≥ 280 kPa

7. Air flow resistance ≤ 1.8 mbar

8. Corrugation depth: 0.1-0.25 mm.

9. Flat paper and corrugated paper according to the custom request

10. Any size and any color.