TABLE II

Pore Size Rating and Membrane Configurations

S. No	Membrane Type	Pore Size (μm)		Membrane Configurations
S. No	Membrane Type	First Layer	Second Layer	First Layer	Second Layer
1	Membrane A	0.45	0.2	Symmetric	Asymmetric
2	Membrane B	0.8	0.2	Symmetric	Asymmetric
3	Membrane C	0.2	0.1	Asymmetric	symmetric
4	Membrane D	0.45	0.2	Symmetric	Asymmetric
5	Membrane E	0.5	0.2	Asymmetric	Symmetric
6	Membrane F	NA	0.2	Symmetric	Symmetric
7	Membrane G	0.2	0.2	Symmetric	Symmetric
8	Membrane H	0.2	0.2	Symmetric	Symmetric