White granular or powder, 0.35-0.90g/cm3 performance density. Melting ... Chloride, Polyacrylamide, Polyaluminium Ferric Chloride ,Polymerization iron sulfate , potassium sulfateand Sodium Tripolyphosphate . And our products mainly export to North America,Asia and ... for drilling mud, paper industries as oil pollution prevention agents. Sodium Tripolyphosphate(STPP)--High Quality Chemicals