Call Today for Quick Turn Precision Cleaning
510 440-8660
 
   
 


CLASS 1000 PACKAGING

Clean Sciences, Inc offers Class 1000 (ISO 6) Cleanroom packaging. Our Cleanroom is monitored and tested quarterly and certified annually (see data in “Recent News”).

We offer Class 100 Poly, ULO, and Nylon bagging that meets or exceeds cleanliness standards for use in an ISO 14644-1 Class 3 Cleanroom.

Ultra High Vacuum aluminum foil is also used for packaging specs that require little or no contamination to infiltrate their environment. This foil is certified to the American Society for Testing and Material (ASTM) designation B 479, specification 3.1.4 and 10.3.1.

Cleanrooms are classified according to the number and size of particles permitted per volume of air. Large numbers like "class 100" or "class 1000" refer to FED-STD-209E, and denote the number of particles of size 0.5 µm or larger permitted per cubic foot of air. The standard also allows interpolation, so it is possible to describe e.g. "class 2000".

A discrete-particle-counting, light-scattering instrument is used to determine the concentration of airborne particles, equal to and larger than the specified sizes, at designated sampling locations.

Small numbers refer to ISO 14644-1 standards, which specify the decimal logarithm of the number of particles 0.1 µm or larger permitted per cubic meter of air. So, for example, an ISO class 5 Cleanroom has at most 105 = 100,000 particles per m³.

Both FS 209E and ISO 14644-1 assume log-log relationships between particle size and particle concentration. For that reason, there is no such thing as zero particle concentration. The table locations without entries are non-applicable combinations of particle sizes and cleanliness classes, and should not be read as zero.

Because 1 m³ is approximately 35 ft³, the two standards are mostly equivalent when measuring 0.5 µm particles, although the testing standards differ. Ordinary room air is approximately class 1,000,000 or ISO 9.

US FED STD 209E Cleanroom standards

Class

Maximum particles/ft³

ISO
equivalent

≥0.1 µm

≥0.2 µm

≥0.3 µm

≥0.5 µm

≥5 µm

1

35

7

3

1

 

ISO 3

10

350

75

30

10

 

ISO 4

100

 

750

300

100

 

ISO 5

1,000

 

 

 

1,000

7

ISO 6

10,000

 

 

 

10,000

70

ISO 7

100,000

 

 

 

100,000

700

ISO 8


 
Home | About Us | Precision Cleaning Services | Quality Precision Cleaning | Recent News | Terms and Conditions of Sale | Contact Us
Copyright © 2013 Clean Sciences Inc. All rights reserved.