The solubility of acid glue and stainless steel is not good, and it is generally not recommended to use acid glue on stainless steel. The reason for foaming is mainly the quality of stainless steel, some stainless steel manufacturers in order to reduce the cost, so that stainless steel more impurities, and the PH value of acid glue is low, acid is strong, acid substances will react with this stainless steel, so the release of bubbles.