... Tripolyphosphate/STPP94% 2. Manufacturer & factory price 3. Free Sample Industry Grade Sodium Tripolyphosphate/STPP94% 1.Brief DescriptionCAS NO :7758-29-4Appearance : ... I 10-303.Application1>Paper-making, textile, dyeing, petrochemical industry 2> Water softening agent in solution for printing, retarding agent ... moisture, do not pile up in the open air. Industry Grade Sodium Tripolyphosphate/STPP94%