... oil field, paper making, textile, printing, building etc. 3, good quality and fast shipment Sodium Hexameta Phosphate Molecular formula ... including oil field, paper making, textile, printing dyeing, petrochemical, leather and building material etc. as water softener, flotation ... agent and additive, quality modifier, PH value regulator, metallic ion chelating agent and bulking agent etc.. 2012 hot sale ...