Dust-Removal Efficiency

This value indicates the media's ability to remove foreign particles.
The test method and dust for testing are in accordance with JIS Standards.
Since the dust-removal efficiency decreases as the wind speed increases, the wind speed at the time of the test is also listed.

Test Method
JIS B 9908 Ventilation Air Filter Formula 3 Weighing Method
Test Dust
JIS Z 8901 15 Types
  • *Details of 15 kinds of test dusts
Product Line Material Size Proportion
8 Types Kanto Loam φ6.6~8.6 [μm] 72[%]
12 Types Carbon black φ0.03~0.20 [μm] 23[%]
- Cotton Linter φ1.5 [μm] × length 1 [mm] max. 5[%]