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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/docs

TECHNICAL 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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