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I would like help with a materials problem I am looking into that pertains to a product I would like to develop.

What I seek is some kind of substrate that acts like blotter paper does. Ideally, the substrate will be a thin material which can be soaked in sulfuric acid and hold a small amount "suspended" in it without a reaction taking place.

I have looked into which plastics are best compatible with sulfuric acid (HDPE and PTFE) but was unable to find any information about "sponge-like" forms of these plastics.

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  • $\begingroup$ I think glass wool would work. $\endgroup$
    – A.K.
    Oct 17 '18 at 20:51

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