... 4. prompt delivery Usage:Ammonium Bicarbonate food grade, mainly as sponging agent use for baking foods such as crisp ... , medicine midbody, plastics processing, electronic element etc.Ammonium bicarbonate food grade is a white powder crystal, specific ... with the GB1888-1998 standard and fcciv international standard.Ammonium bicarbonate food gradeAccording as: GB1888-1998Specification: Appearance: White ...