Ductile iron pipes - external zinc - based coating - metallic zinc with finishing layer 球墨铸铁管.外部镀锌.终饰层用金属锌
2.
Standard test method for the determination of metallic zinc content in both zinc dust pigment and in cured films of zinc - rich coatings 锌粉涂料与锌粉涂料硫化薄膜和富锌涂层硫化薄膜中金属锌含量测定的标准试验方法