... whitness 3.common packing: 25 kg PP bags Used as food fermentation, detergent ingredient, carbon dioxide foamer, pharmacy, leather, ore milling ... industry, etc.Tianjin Yuanlong Chemical Industry Co., Ltd, is the largest caustic soda pearls(beads) manufacturer in China with 80, 000mt ... , diversiform packaging, fast delivery, good service and reputation. sodium bicarbonate food grade