Astragaloside Astragalus Extract Herb Source: From the dry root of the Astragalus membranaceus(Fisch)Bge. Main Ingredients: Astragaloside Purity: Astragaloside 0.3%-5%-30%-90%-98% Tested By HPLC. CAS No: 84687-43-4 Appearance: White powder Molecular Formula: C41H68O14 Pharmacology:

镀层外观酷似铬层，耐蚀性与光亮度可与铬层媲美。深镀能力远胜于常规镀铬，有利于小零件的常规滚镀及复杂工件的挂镀，提高生产效率。 中性盐雾试验5级，硬度220HV/25g，耐磨性39.4mg/千次。

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