Patent ID: 6693067
Filing Date: 2004-02-17
Classification: C11D,C23G

Abstract:
A water-soluble composition for removing rust from steel bars and steel frames, comprising a mixture of approximately 10 to about 11% by weight of phosphoric acid, approximately 6 to about 7% by weight of sodium pyrophosphate, approximately 6 to about 7% by weight of a hard water softener, approximately 7 to about 8% by weight of zeolite, approximately 2 to about 3% by weight of xanthan gum, approximately 2 to about 3% by weight of a surfactant, approximately 4 to about 5% by weight of stearic acid, approximately 6 to about 7% by weight of methyl alcohol and approximately 2 to about 3% by weight of a defoamer in approximately 50 to about 51% by weight of water.