Is there any powder that has more expansive properties than bentonite?
There is a kind of powdered bentonite on the market are better, more uniform, stable.
It is sandwiched between two upper and lower layers of non-woven fabric by needling methods, but China is not a country with frequent volcanic eruptions, so there is no natural sodium bentonite on the market.
Montmorillonite, known as montmorillonite, is a mineral, volcanic ash formed after volcanic eruptions.
