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ISO 14644-1:2015

Jason Peng, an engineer at Deiiang Company

  • Author:Jason Peng

  • Cleanroom Engineering Technology Manager of Deiiang Company.

    Product R&D Manager of GDC Inc. Cleanroom Equipment Manufacturing Company.

    Executive Director of Guangdong Cleanroom Industry Association of China.

  • 2026-10-13  |  Visits:

Define partICle concentration levels corresponding to iso classes 5–8. The door's sealing performance must ensure that, following an open-close cycle, the room can return to the specified class within the prescribed time.

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