(1) Inorganic thickener (fumed silica, sodium bentonite, organic bentonite, diatomite, attapulgite, molecular sieve, silica gel).

(2) Cellulose ether (methyl cellulose, hydroxypropyl methyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose).

(3) Natural polymers and their derivatives (starch, gelatin, sodium alginate, casein, guar gum, chitosan, Arabic gum, xanthan gum, soy protein gum, natural rubber, lanolin and agar).

(4) Synthetic polymers (polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide, modified paraffin resin, carbomer resin, polyacrylic acid, polyacrylate emulsion, polybutadiene rubber, styrene-butadiene rubber, polyurethane, modified polyurea and low molecular weight polyethylene wax).

(5) Central federal organometallic compound (amino alcohol composite titanate).

(6) printing thickener includes (dispersed thickener, coating thickener and active thickener).