International Standards | |||
International Standards | Original Standard | Filter Plate Average Hole Diameter (micrometers) | General Purpose |
P250 | G00 | 160-250 | Filter out large particle sediment |
P160 | G0 | 100-160 | Remove coarse particle sedimentation, collect and distribute gas molecules |
P100 | G1A | 70-100 | Water Treatment |
P70 | G1 | 50-70 | Remove large and colloidal sediments |
P50 | G2 | 30-50 | Remove large sediments and gas washing |
P30 | G3 | 16-30 | Remove fine sediments and mercury filtration |
P16 | G4A | 7-16 | Remove fine particle sedimentation, collect or distribute fine molecular gases |
P7 | G4 | 4-7 | Remove fine or ultra-fine sediment from liquids |
P4 | G5 | 2-4 | Removes extremely fine sediment and large bacillus. |
P2 | G6 | 1.2-2 | Remove E. coli and Staphylococcus. |
Corporate Standards | ||
ID | Filter Plate Average Pore Size (micrometers) | General Purpose |
1 | 80-120 | Remove coarse particle sedimentation, collect or distribute coarse molecular gases. |
2 | 40-80 | Remove larger particle sediments. Collect or distribute larger molecular gases. |
3 | 15-40 | Remove general crystalline precipitates and impurities from chemical analyses, filter mercury, collect or distribute general gases. |
4 | 5-15 | Remove fine particle sediment. Collect or distribute coarse molecule gases. |
5 | 2-5 | Removes extremely fine particle sediment. Filters out larger bacteria. |
6 | <2 | Remove Bacteria. |





