1. Basic Weight: 130 ± 5 g/sq.m

2. Air Permeability: >300 (ΔP=200Pa)L/100cm2·min

3. Thickness: 0.45 - 0.5 mm

4. Corrugation Depth (if any): 0.20 - 0.28 mm

5. Stiffness: 3500 mg

6. Bursting Strength: 400 Kpa

7. Pore Size Max: 85 μm

8. Resin Content: 15%

9. Note：All Color Available

Material: wood or cotton pulp

Used in air filter elements

Technical Data can be as your request

Plain paper or corrugated paper as requested