Cleanroom and Laundering Knowledge

1.Standards and terms on Laundering Cleanroom Swabs, Wipes, Gloves and Garments in cleanroom.

A. Standards

*GB50073-2001 Code for Desing of Cleanroom
*ISO-14644-1 Classification Of Air Cleanliness
*ISO-14644-2 Specifications For Testing and Monitoring to Prove Continued Compliance with 14644-1
*ISO-14644-3 Metrology and Test Methods
*ISO-14644-4 Design.Construction and Start-Up
*IEST-RP-CC004.2 Evaluating Wiping Materials Used in Cleanrooms and Other Controlled Environments
*IEST-RP-CC005.2 Gloves And Finer Cots Used in Cleanrooms and Other Controlled Environments

B. Terms

*Controlled Environments
*IEST: Institute of Environmental Sclences and Technology
*LPC:Liquid-borne Particle Count
*APC:Airborne Particle Count
*IC: Ionic Chromatography
*NVR:Non-volatile Residue
*FTIR:Fourier Transform Infrared Spectroscopy
*EDI/DI:Electro-Deionization Water/Deionization Water

2.Procedure for washing various kinds of wipe,work clother,swab,shoes and hat with pure and ultrapure water:

A. The Production of Pure Water, Untra Pure Water:

B. Cleanroom Washing Flow Chart:

3. Ari Cleanliness Class in Cleanroom
Ari Cleanliness Classs is grade of number of airborne particulate, according to the consistence of airborne particulate to measure air cleanliness classes in cleanroom and other controlled environments,to determine air cleanliness classes,by means of the maximum permitted partilce in every CBM in air. Cleanliness classes of airborne particulate in Cleanroom and clean zone see table1.
Table 1 Cleanliness Classes of Airborne Particulate in Cleanroom and Clean Zone (A lection form ISO 14644-1,GB50073-2001)

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