Johns Manville's Dynaweb meltblown media is produced from the finest high-purity grade polypropylene. Our media meets the following requirements:

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FDA |

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Title 21 CFR 177.1520 |

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Title 21 CFR 177.170 |

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USP |

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XXII Class VI |

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Systemic Toxicity Test |
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Intracutaneous Reactivity Test |
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Muscle Implantation Test Macroscopically |
Both polymers are available as calendered and uncalendered. Check the Typical Properties to see that no matter what you application requires, Johns Manville has a media for you.