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Home /Expertise/FAQs/Phase Content in STP

Frequently Asked Questions

Monday, August 15, 2011

What is the meaning of phase content in sodium tripolyphosphate?

Anhydrous sodium tripolyphosphate can exist in two different crystalline forms, which is determined by the process conditions at the time of manufacture.  The Phase-2 crystals tend to dissolve slowly in water. Phase-1 crystals tend to dissolve faster in water and release more energy.  Contact our Technical Service Specialists to discuss your applications and selection of the best product for your applications.