Notice 1. This storage of compound should not be more than one year. In order to avoid any change of quality, the compound should be kept in a dark, cool and well ventilated room, and never in contact with raining water or under direct sunlight. 2. The above figures obtained from laboratory are for reference only. Please confirm these items when specially properties requires or produce conditions is changed. And contact with us to adjust if that is necessary. Description of Packing 1. Capacity of packing: Small package weighs 25kg per sack, large package weighs 600kg per sack. 2. Materials of packing: Small sacks are made of kraft paper lined with PE film, and large sacks are made from woven PP filament. 3. These sacks are not for storing other materials. When they are not collected for recycling, please discard them according to the govermental regulations promulgated by the environmental protection agencies for the treatment of wasted materials.