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by bmn__
2274 days ago
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Do not boil or steam respirator masks. It destroys the material and renders it less effective, sometimes drastically so. Instead disinfect them with dry heat in an oven or rice cooker. https://news.ycombinator.com/item?id=22680799 |
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Perhaps my advice is specific to repurposed T-shirt masks then. But this study boiled the masks before testing and use.
The study was designed for poorer countries without as much infrastructure. Which is why the materials are so simple and the methods crude. But those attributes are very useful for the DIY community.