... . Good quality, competitive price 4. Free samples Sodium Hexametaphosphate Property:white powder,density is 2.484(20 degree ... paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, it is mainly used as a ... agglomerant, detergent and soil analytical chemistry reagent. For food grade, it is mainly used as additive agent,PH adjusting ...