Engineering tools

 

ISO 14644-1 clean room standards

Class

0.1 micron

0.2 micron

0.3 micron

0.5 micron

1 micron

5 micron

ISO 1

10

2

 

 

 

 

ISO 2

100

24

10

4

 

 

ISO 3

1,000

237

102

35

8

 

ISO 4

10,000

2,370

1,020

352

83

 

ISO 5

100,000

23,700

10,200

3,520

832

29

ISO 6

1,000,000

237,000

102,000

35,200

8,320

293

ISO 7

 

 

 

352,000

83,200

2,930

ISO 8

 

 

 

3,520,000

832,000

29,300

ISO 9

 

 

 

35,200,000

8,320,000

293,000

 

 

Min and max particle size examples in microns.

Material

Min size

Max size

Paper fiber

5

1000

Starch

3

100

Clay

0.1

50

Calcite

2

40

Printer's ink

0.5

15

Quartz

1.2

125

Silicon

0.5

150

Feldspar

2

40

Fly ash

1

1000

Iron

4

20

Steel

2

20

Tobacco smoke

0.01

4

Human hair

40

300

Oil aerosol

0.03

1

Silicon carbide

0.5

100

 

 

Conversion Chart

Microns

Inches

Millimeters

10

0.0004

0.01

25

0.001

0.025

50

0.002

0.05

100

0.004

0.1

 

View PuraPC Technical specifications

 

 

 

 

 

 

 

Protect the life of your system—inside and out—with PuraPC.  
Home   |   Theory   |   Products   |   About us   |   Contact us   |   F A Q   |   Guarantee policy
  Interactive PuraPC   |   Animated tutorial   |   Wholesale info   |   Support   |   Shipping policy
   © 2003-2015 Filtalert Corporation. All rights reserved.