... and glycerin. Specification: ITEMSPECIFICATIONBoron content17% MinLead 0.0015% MaxArsenic 0.0008% Max.Solubility in grams per 100 ml of hot water ... 25KG net eachDear Sir, This is Sunny from Zhengzhou P&B Chemical Co., Ltd., we are a professional exporting company for ... inquires, please don't hesitate to contact with me. P&B Industry and Agricultural Grade Boric Acid at high purity