Updates
Explore basic information, buying guides and market notes about phosphate chemicals.
Why Are Phosphoric Acid Prices Rising in 2026?
A buyer-focused market note on yellow phosphorus, sulfur, phosphate rock and quotation factors.
What Is STPP Used For?
The main applications of sodium tripolyphosphate in detergents, cleaning products, water treatment and food processing.
STPP vs SHMP: What Is the Difference?
A practical comparison of two common phosphates — how they work, where each is used, and how to choose between them.
What Is Food Grade Phosphoric Acid Used For?
How food grade phosphoric acid is used in beverages, flavor adjustment and food processing.
What Is SHMP Used For?
How sodium hexametaphosphate works in water treatment, detergents, industrial processing and food applications.
What Is TSPP Used For?
The uses of tetrasodium pyrophosphate in detergents, cleaning, water treatment and food processing.
How to Choose STPP for Detergent Production: Key Specifications
P2O5, whiteness, particle size, phase ratio and iron — the STPP specifications that decide detergent quality.
Technical Grade vs Food Grade Phosphoric Acid: What Is the Difference?
Purity, impurity limits, standards and applications of the two phosphoric acid grades compared.
DCP vs MCP vs MDCP: How to Choose a Feed Phosphate
Phosphorus content, solubility and animal fit of the three main feed phosphates.
How to Verify a Phosphate Supplier from China
A practical checklist: company checks, COA review, supply source, samples, inspection and red flags.
Frequently Asked Questions
What phosphate chemicals does Theone Chemical supply?
We supply technical grade, food grade and feed grade phosphates — including STPP, SHMP, TSPP, TSP, DSP, SAPP, phosphoric acid 85%, and feed phosphates DCP, MCP, MDCP and TCP.
Which product is better for detergents, STPP or SHMP?
STPP is the standard builder for detergent formulations; SHMP is more often used for water softening and dispersion. The right choice depends on your formulation and water conditions — see our comparison article above.
What is food grade phosphoric acid used for?
Mainly for beverage acidulation (such as cola drinks), flavor adjustment and food processing applications that require food-grade acidity control.
What should buyers prepare before requesting a quotation?
Product name, grade or target specification, quantity, destination port and packing requirements. With these ready, we can confirm the supply mode and quote accurately.