... Polypropylene Valve Woven BagWeight Capacity: 25KG / Bag Raw material100%new pp or as requestedWidth400, 500, 550, 600 etc. as your ... 600 to 1500D, as your requestUsageall kinds of grain or powder goods, such as calcium chloride, magnesium chloride, carbon black, ... forage, fertilizer, foodstuff, salt, sugar, starch, food additive. filling in powder or grain goods at the bag top, and the seal ...