Quality: White powder, surface density 0.35-0.9g/cm³, melting point 622°C. Dissolve in water easily, the aqueous solution is alkalinity. A kind of inorganic chemical surface-active agent, with two kinds of forms: Na₅P₃O₁₀-I and Na₅P₃O₁₀ (B). Two forms have the same chemical property.

Usage: As chemical additives for making synthetic detergents; synergist for soaps; soft-water agent for industrial water; textile dyeing auxiliaries; and prevent greasy dirt in papermaking industry.

Transport: By train, truck and vessel, etc. 

No.	Items for detecting and analyzing	Standard value	Result of inspection
1	MAIN CONTENT(Na5P3O10)   %	90	94.16
2	P2O5                     %	56.5	56.72
3	Fe                       %	0.015	0.0075
4	Whiteness                 %	80	92.31
5	Particle size              %	+35mesh sieve +100mesh sieve +200meshsieve -200mesh sieve	0.20 16.87 27.24 55.69
6	PH(1%sulution)            %	9.2-10.0	10.0
7	INSOLUBLE MATTER           %	0.10	0.01
8	Surface density        g/cm3		0.41