1. Product indicators Appearance White fine powder Content,% above 99 Loss on drying,% less 5% Heavy metals (in PB), PPM less 10 Heavy metals (as), PPM less 2 2. Package specification 1.0kg /Aluminum foil bag ; 15kg / cardboard barrel; 25kg / cardboard barrel 3. Storage method Avoid freezing environment, store in a dark, cool and dry place, room temperature and sealed.
