Huh. A sister (chemical) plant to mine manufactures HPMC in Belgium. That’s probably what’s making the actual barrier. I wonder how necessary the other ingredients are.
I think the other ingridients are there to kill the virus cells that make it onto the barrier.
Huh. A sister (chemical) plant to mine manufactures HPMC in Belgium. That’s probably what’s making the actual barrier. I wonder how necessary the other ingredients are.
I think the other ingridients are there to kill the virus cells that make it onto the barrier.