# ISO. International org. For standardization

rename
bevisawu's
version from
2015-05-03 14:18

## Section

Question | Answer |
---|---|

ISO class 3 | Contains no more than35.2 particals of 0.5 micron or llarger per cubic meter. An ISO 3 enviroment is equivalent to FS209E Class 1 ( no more than 1 partical of 0.5 micron or larger per cubic foot) |

ISO Class 4 | contains no more than 325 particals of 0.5 micron or latger per cubic meter. An ISO 4 enviroonment is equivalent to FS209E class10 (no more tan 10 particals of 0.5 micron or laerger per cubic foot) |

ISO Class 5 | Contains no more than 3520 particales of 0.5 microns or larger per cubic meter. An ISO 5 environment is equivalent to FS209E class 100 (no more than 100 particals of 0.5 microns or larger per cubic foot) |

ISO Class 6 | Contains no more than 35,200 particals of 0.5 micron or larger per cubic meter. An ISO 6 environment is equivalent to FS209E class 1000 ( no more than 1000 particals of 0.5 micron or larger per cubic foot) |

iSO Class 7 | Contains no more than 325,000 particales 0.5 micron or larger per cubic meter. An ISO 7 enviroment is equivalent to FS209E Class 10,000 (no more than 10,000 particals of 0.5 microns or larger per cubic foot) |

## Pages linking here (main versions and versions by same user)

No other pages link to this page. See Linking Quickstart for more info.