1)purity: 85pct min /90pct min/95pct min Package: ibc, 35kg/drum Application: Used as fertilizer raw material, industrial chemical raw material, food additives and medical raw material, etc. Shipmark: as buyer's request professional loading container, without dumping and leaking, shipping mark on bag and container door both, fork lift and manual lift can be used during loading and unloading with pallet.