... 79 Content:68%min Usage:oil fields,papermaking,textile,dyeing,chemistry,metallurgy&construction materials Sodium Hexa Meta Phosphate ... textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. As a water softening agent in solution for printing, floating agent, ... 05% maxUsage: Mainly used as additive agent,PH adjusting agent, fermenting agent,and nourishment, etc.Packing: 25kg ...