2025/06/13  
                                                
                                                
                                                       Common retarders in mineral processing chemical products                                                
                                                
                                                      The more commonly used retarders in mineral processing reagents are: sodium sulfide, zinc sulfate, sodium nitrate, potassium dichromate, water glass, lime, yellow blood salt, tannin, starch (dextrin), carboxymethyl cellulose, etc.