>>18
( 3 ) Chemical industry ;
filler for paper-manufacturing, coating chemicals, rubber filler, filler for plastics, decolorant for oils and fats, refining chemicals, pigment, raw materials for drugs and cosmetics, chemicals to treat radioactive wastes, etc.
( 4 ) Agriculture ;
improving chemicals for soil ( improvement in moistening soil, improvement in maintenance of fertile components, prevention of soil from acidifying, etc ), agricultural dispersant, materials to prevent a rice field from leaking water, etc.
※ Meanwhile, clay can cause disasters such as landslide, ground subsidence due to its swellingness, condensed denseness.
一
