Packing and storage: OT20 is packed in a25 kg bag with PE lining and stored in a ventilated cool, dry place under normal conditions. Storage temperature should be less than 40íµ. Keep away from a fire heat and moisture. It cannot be stored together with amine and alkalescences, preventing blocking from stacking. Guaranteed storage is half a year. Packing: Packing and storage: IS7520 is packed in a25 kg bag with PE lining and stored in a ventilated cool, dry place under normal conditions. Storage temperature should be less than 40íµ. Keep away from a fire heat and moisture. It cannot be stored together with amine and alkalescences, preventing blocking from stacking. Guaranteed storage is half a year.