... efficiency, lower water phase permeability in ground layer, and enable water and oil to flow ... best effect in particular in processing sewage water with suspended particulate, thicker size, high concentration, ... 500kg/bag, 1000kg/bag) is packed in two-layer bag with plastic bag for inner packaging, woven bag ... prevent moisture.Avoid heat, humidity, Number of pile layer: less than 20, shelf life: 2 years ...