Descriptions: High precision: Stainless steel balls hardness is less than HRC 26, weak magnetic, accurate size. Corrosion resistance: 304 stainless steel material, widely used in food machinery, precision instruments, hardware. accessories, valves, cosmetics and other highly corrosive products. Note: Make sure the bottle temperature is below 65 degrees. The dropper bottle can not be used for corrosive, strong acid and alkali liquid.
