Hot Sale 15475-67-9 Trisodium Phosphate White Crystal for Metal Treatment
Key attributes
Industrial grade products & COA meets HG/T 2517-2009 standard:
Items for detecting and analyzing | Standard value % |
Main content: trisodium phosphate ≥ | 98 |
Sulphate (as SO4)≤ | 0.50 |
Chlorine (as Cl) ≤ | 0.30 |
water insoluble≤ | 0.05 |
Methyl orange alkalinity (Na2) | 16.5-19.0 |
Iron (Fe)≤ | 0.01 |
Arsenic (as As)≤ | 0.005 |
Industrial grade (anhydrous) & Food grade products & COA meets GB 25565-2010
Physicochemical property
Molecular weight: 367.86 g/mol | Appearance: white crystalline or powdery solid. |
Odor: Odorless or slightly sulphide odor. | Density: 2.52 g/cm³ (25°C). |
Melting point: about 622°C (decomposition). | Chemical Safety: Unrestricted goods |
Solubility: | |
Hydrolysis reaction: | |
Complexation: | |
Thermal stability: | |
Acid base: |
Efficacy of trisodium phosphate in metal processing
1. Cleaning agent
Remove grease: effectively remove grease and dirt from metal surfaces.
Clean surface: used for the pre-treatment of metal products to ensure that the surface is clean
and convenient for subsequent processing.
2. Phosphating treatment
Phosphating agent: used as a phosphating agent in metal phosphating treatment to generate phosphating film.
Improved corrosion resistance: phosphating film improves corrosion resistance and wear resistance of metal.
Enhanced adhesion: Phosphating film enhances the adhesion of coating and metal surface.
3. Corrosion inhibitors
Corrosion prevention: Used as a corrosion inhibitor to prevent metal corrosion during metal processing and storage.
Prolong life: extend the service life of metal products.
4. Surface treatment
Pretreatment: Used for pretreatment of surface treatment processes such as electroplating
and coating to ensure surface cleanliness and activity.
Improve quality: Improve the quality and uniformity of electroplating and coating.
5. Water treatment
Softened water quality: used as softener in metalworking cooling water systems to prevent scale formation.
Protection equipment: Protect equipment and pipes against scaling and corrosion.
6. Other applications
Metal cleaner: Used for cleaning industrial equipment and machinery to remove rust and dirt.
Metal polishing: Used for polishing metal surfaces to improve finish.
FAQ
1.What is your payment term?
We can accept T/T and L/C at sight as payment term.
2.Are you able to deliver on time?
Of course! we specialised in this line for many years,
many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!
3.Do you provide free sample?
Yes, we can provide free sample . You only need to take the express fee.
4.How about the price?Can you make it cheaper?
We always take the customer’s benefit as the top priority.
Price is negotiable under different conditions, we are assuring you to get the most competitive price.
5.Can I visit your company and factory in China?
Sure. You are very welcomed to visit our company in Weifang, China.
(We will have someone responsible for picking up and dropping off at Weifang Airport)
6.What if there is a quality problem?
We have a professional and perfect after-sales service team, timely for you to deal with all problems.