Filtration time (s): Filtration time of 23 mL of 20 ℃ particle-free water at a pressure of 39 kPa under a filter paper area of 100 * 9.6 cm2
Retention particle size (μm): 0.6 * particle size that can retain 90% or more of the 7 kinds of powder dispersion specified in JIS Z 8901 when filtered naturally
Pressure drop (kPa): 0.33 * Value at 5 cm/s ventilation speed
Collection efficiency (0.3 .mu.m DOP%): 99.9 * According to JIS Z 8901 (test powder and test particles), the collection efficiency when air containing dioctyl phthalate particles dispersed in 0.3 μm is filtered at a ventilation speed of 5 cm/s.
Organic Binder: None
Maximum operating temperature (℃): 500
Application: collection of airborne particulate matter, liquid clarification