FC-DHF2是一種對鍍鋅板及合金鍍鋅板做后處理的含六價鉻的處理劑。它可增加金屬的抗腐蝕能力。適用于噴淋型或浸漬型工藝，也可用于輥涂等。
FC-DHF2 is a kind of treatment agent containing hexavalent chromium for galvanized sheet and alloy galvanized sheet processing. It can increase corrosion resistance of the metal. Suitable for spraying or dipping process, can also be used for roller.