SHAMROCK TECHNOLOGIES › HYDROCER™ 257 HYDROCER™ 257 $0.00 SHAMROCK HYDROCER™ 257 is a stable, non-ionic aqueous synthetic wax dispersion. Add To Cart Added! SHAMROCK HYDROCER™ 257 is a stable, non-ionic aqueous synthetic wax dispersion. You Might Also Like HYDROCER™ 7112 HYDROCER™ AE 35 FG HYDROCER™ EP91 HYDROCER™ ASTRO AE 25 F HYDROCER™ EC 35 470