... %≤0.050.063> Sodium Hexametaphosphate's Application:a) For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical ... is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishment;c) it is mainly used as a water ... ,000kg; b)Store at a well ventilated, dry place. best price and high purity Sodium Hexametaphosphate(SHMP) 68% as water softening agent ...