... papermaking; slow corrodent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent. For food grade, it is ... Pb %≤0.0017 Arsenic, as As%≤0.00038 Fluoride as F%≤0.003shmp 68% for tech gradeCAS No.: 10124-56-8 ... .Usage of SHMP 68% tech grade: It is used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy ...