What's the adjective for insolubilisation? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs insolubilize and insolubilise which may be used as adjectives within certain contexts.
“He also found there was no evidence that insoluble problems would be caused for the management of elections if the deposits requirement was not there.”
“The issue of climate change seems to be an insoluble problem, as governments and scientists struggle to find effective solutions.”
“The compound nickel dimethylglyoxime looks like strawberry-pink lipstick, insoluble in water.”