The VitraPOR glass filters are divided into porosity classes ranging from 1,0 µm to 500 µm. Therefore they are
suitable for many applications in chemical and pharmaceutical industries, in laboratories as well as in technical
applications.
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PORESIZES OF VitraPOR GLASS FILTERS
Designation
ISO 4793-80
ASTM E128-99
*1)
Por. 00
Por. 0
Por. 1
Por. 2
Por. 3
Por. 4
Por. 5
170 - 220
40 - 60
10 - 16
4 - 5.5
2 - 2.5
0.9 - 1.4
Extra Coarse
Coarse
Medium
Fine
Very Fine
Ultra Fine
Poresize in µm
250 - 500
160 - 250
100 - 160
40 - 100
16 - 40
10 - 16
1 - 1.6
International Standard
American Standard
P 500
P 250
P 160
P 100
P 40
P 16
P1.6
POROSITIES
Typical Fields of Application
Liquid and gas distribution, coarse support in flow systems
Gas distribution in liquids at low pressures, coarse filtration
Coarse filtration and gas distribution, extraction of coarser materials
supporting layer for resilient filters
Preparative fine filtration, mercury filtration, preparative work with
coarse crystalline products
Analytical work with medium fine precipitates, analytical filtration, fine
gas filtration, special filtration of cellulose
Finest analytical filtration, general bacteria filtration, semi-sterile filtration
Analytical fine filtration, analytical and preparative works with finest
precipitates, return and stop valve function
Designation
Poresize in µm
Many details and advanced technical data on our VitraPOR sintered filters and borosilicate glass 3.3 can be
found here on our website:
www.robuglas.com/docsTECHNICAL DATA ON OUR HOMEPAGE
TECHNICAL DATA
25
XC
C
M
F
VF
UF
Abbreviation
*1) Listed for reference purposes only
PREISLISTE / PRICELIST · 2017/2018
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