... quality and competitive price 3,Free sample 4,68%,white powder sodium hexametaphosphate (SHMP) Quick Details Classification: PhosphateType ... Grade Standard: Food GradePurity: >=68%Brand Name: Chuanlin White powderPackaging & Delivery Packaging Detail:Package: In double layer ... competitive price3,Free sample 4,68%,white powder 5.SHMPChemical formula:(NaPO3)6 Properties: White powder; Density 2.484(20 ...