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Frequently Asked Question - Cleanroom Section
 
Learn About Deadly Cancer Mesothelioma due to Asbestos Exposure, it can affect any one in the world
                   

   Frequently Asked Questions in Cleanroom Construction and Maintenance   Cleanroom Air Classification as per Schedule M

Grade
Maximum permitted number of particles/m3 equal or above
at rest
in operation
0.5µm
5.0µm
0.5µm
5.0µm
A
3,520
29
3,500
29
B
35,200
293
3,52,000
2,930
C
3,52,000
2,930
35,20,000
29,300
D
35,20,000
29,300
not defined
not defined

Note
Grade A and B correspond to with class 100, M 3.5, ISO 5
Grade C correspond to with class 10000, M 5.5, ISO 7
Grade D correspond to with class 100000, M 6.5, ISO 8