2. fertilizer sacks The main raw material in the production of plastic sacks and bags, plastic Pellet, which is the end product of industrial, petrochemical, plastic granules, consisting of 4 types: poly's works lean (polyethylene-PE) Poly Propylene (PP-polypropylene), polyester stylus green (PS-polystyrene) and polyvinyl chloride or PVC (polyvinyl cholride-PVC) sacks of fertilizer has properties. Prevent moisture to pass through it, but the gas permeation. Let the light through Preventing the absorption of water and have little flexibility.
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