It sounds like it's extremely old. So probably some pages are at the point of crumbling into dust?

听起来它好像非常古老。那么，也许有些书页到了即将碎成粉末的程度？

youdao

The empire finally crumbled into dust.

这个帝国最终崩溃了。

《牛津词典》

(i.e. some of the gas turns back into dust).

(比如，一些气体又变回了尘埃)。

youdao

Forbes billionaire Vijay Mallya seems to be silently watching his beloved Kingfisher Airlines erode into dust.

FORBES: As Kingfisher Erodes, IndiGo Becomes India's Top Airline

DeBoer's system uses forechecking and scoring to grind opponents into dust, and Brodeur is no longer the machine's maw.

WSJ: Don't Tell Martin Brodeur It's His Swan Song

So might be distributors, painters and any other links in the chain between the production of paint and its deterioration into dust and flakes.

ECONOMIST: Environmental risks