Packaging and storage : This product is packaged in a high-strength composite bag with a PE-coated woven bag and a kraft paper lining, with a net weight of 20kg per bag. Transport and storage should pay attention to fire, water, sun, dust. When storing, it should not be close to the heat source, suitable for storage in a ventilated and cool place, and the stacking should not be higher than 20 bags. Shelf life is 8 months at room temperature.