SHAMROCK TECHNOLOGIES › HYDROCER™ 357 HYDROCER™ 357 $0.00 SHAMROCK HYDROCER™ 357 is a stable, non-ionic aqueous spherical synthetic wax dispersion. Add To Cart Added! SHAMROCK HYDROCER™ 357 is a stable, non-ionic aqueous spherical synthetic wax dispersion. You Might Also Like HYDROCER™ 303 HYDROCER™ DP 69 HYDROCER™ ER 77 HYDROCER™ 8481 HYDROCER™ 145