Web3 mei 1999 · The present invention relates to a method of making a breathable nonwoven fabric having enhanced moisture barrier properties. In particular, the invention pertains to a method of making a meltblown fibrous layer having an improved hydrohead performance (e.g. greater than 40 millibars (16 inches of H 2 O) and adjacent to at least one … Web13 nov. 2024 · iv COVI-19 Technical specifications for personal protective equipment Interim guidance Acknowledgements We are grateful to World Health Organization (WHO) consultants Ying Ling Lin and Erol Ozbakir, for drafting the
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Method of making a breathable, barrier meltblown nonwoven
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