35 Years of Professional Wholesale/Supplier Sodium Triphosphate STPP Washing Auxiliary Detergent

SODIUM TRIPOLYPHOSPHATE 

1.BASSIC INFORMATION
Alias:              STPP
Formula:          Na5P3O10 
Molecular weight:   367.86
CAS NO.:          7758-29-4
HS Code:           283531900
EINECS:           231-838-7

2.PROPERTIESAppearance: White granular crystal or powder
Type:        Industrial Grade
Density:     0.35~0.90g/cm3
Melting point: 622ºC
Solubility:     Soluble in water, its aqueous solution is alkaline. 20 g/100 mL (20ºC).
Characteristics: It not only has complexing ability to alkali metal and metal salt, but also can soften water, adjust and buffer the PH value of saponification, and has the ability of ion exchange.

3.APPLICATIONS
It is used as auxiliary agent for washing products, and also can be used in petroleum, metallurgy, mining, papermaking, water treatment,etc.


4.TECHNICAL INDEXES (GB/T9983-2004)

Item	Industrial Grade
	Excellent class	First class	Second class
Na5p3o10, % ≥	96	90	85
P205, ≥ %	57.0	56.5	55.0
Water insoluble, ≤ %	0.10	0.10	0.15
Iron,  ≥ %	0.007	0.015	0.030
Whiteness, ≥ %	90	85	80
PH value	9.2~10.0
Particle size	Through 1.00mm mesh sieve≥95%

5.PACKAGING
PP and PE composite woven bags, inner vacuum treatment: 20kg/bag, 25kg/bag, 1000kg/bag, net weight and pattern can be customized.


6.TRANSPORTATION & STORAGE
Avoid rain when transporting, keep away from moisture and pollution, do not store and transport with toxic substances and pollutants. Please store in a dry, well-ventilated warehouse with damp-proof pads.




FAQ
Q: Can I get a sample before placing an order?
A: Yes, we are the factory and provide samples for you.
Q: Delivery Time:
A: Our products will be in stock after production, and can be delivered within 3 days.
Q:Port near factory
A:Tianjin or Qingdao port,Dear guests, you can specify any port.
Q: The time for deliver our products to Tianjin or Qingdao port:
A: 1-2 days.
Q: What is your terms of payment?
A: Payment<=1000USD,100% in advance. Payment >= 1000USD,50% T/T in advance, balance before shippment.
Q: Are you trading company or manufacturer?
A: We are factory.