Table 3.1.

Efficiency with DOP for domestic-made perchlorethylene fibrous media

△P/Pa	22.9	45.7	63.5	121.9	508.0
v/(cm/s)	1.25	2.5	3.5	7.0	13.4
Particle size/μm	Efficiency/%
0.5	–	–	–	–	97.60
0.4	99.96	99.78	99.48	98.12	96.27
0.3	99.95	99.71	99.39	97.60	95.72
0.2	99.88	99.52	99.07	97.00	92.29
0.15	99.76	99.11	98.50	96.17	91.70
0.10	99.44	98.01	96.90	93.35	87.72
0.08	99.25	97.56	96.35	93.29	88.08
0.05	99.38	97.87	96.70	93.46	87.81