Specifications: Features This product is made with protein foam extinguishant as basic material And added proper amount of fluorine-carbon surfactant. Besides the functions as Protein foam extinguishant, it can also be used to put out large area' s fire of Petroleum nearby big oil tanks by ' spraying under liquid and jointly function With dry-powder extinguishants. Packing and Storage 1Packing: Plastic or metal barrels of 25kg, 50kg, 100kg and 200kg. 2Storage: Stored in cool, ventilated and dry houses temperature from 5 to 40. 3Effective period: Three years