Borosilicate Glass Fritz

International

Standard

Original

Standard

Porosity Grading（um）

General Application

P250

C00

160-250

Filter out large particles

P160

G0

100-160

Filter out coarse particles, collect and distribute gas molecules

P100

G1A

70-100

Treated water

P70

G1

50-70

Filter out large sediments and colloidal sediments

P50

G2

30-50

For filtering large sediments and gas washing

P30

G3

16-30

Used for filtering fine sediment and mercury

P16

G4A

7-16

Filter out fine particle precipitation, collect or distribute fine molecular gas

P7

G4

4-7

Filter out fine or very fine sediment in the liquid

P4

G5

2-4

Filter out very fine sediment and larger bacteria

P2

G6

1.2-2.0

Filter out E. coli and Staphylococcus