Price and availability on request. Send us the quantity and delivery location in Oman.
Overview
The sodium dichromate addition and lit : higher nitric acid concentration both reduce the chance of undesirable flash attack.
Product description
Sodium Dichromate Manufacturer, supplier and exporter
Applications
Dichromates are power oxidizing agents which find applications in:
- Chromium source in preparing chromium compounds
- Leather tanning and screen printing
- Electroplating
- Pyrotechnics and explosives
- Pigment preparation
- Wood Preservative
- Metal Treating and corrosion inhibitor
- Oil drilling
- Catalyst for the chromium metal production
- Photographic engraving
In biological field, potassium dichromate is used as a fixative for used for conservation of tissue sections.
Dosage
After thorough cleaning, the stainless steel part is ready for immersion in a passivating acid bath. Any one of three approaches can be used--nitric acid passivation, nitric acid with sodium dichromate passivation and citric acid passivation. Which approach to use depends on the grade of stainless steel and prescribed acceptance criteria.
More resistant chromium-nickel grades can be passivated in a 20 percent-by-volume nitric acid bath . As indicated in the same table, less resistant stainless grades can be passivated by adding sodium dichromate to the nitric acid bath to make the solution more oxidizing and capable of forming a passive film on the surface.
Another option, used in place of nitric acid plus sodium dichromate, is to increase the concentration of nitric acid to 50 percent-by-volume , The sodium dichromate addition and lit : higher nitric acid concentration both reduce the chance of undesirable flash attack.
APPEARANCE :: Odourless orange crystal grain
Na2Cr2O7· 2H2O :: 98.0% min
SULPHATES :: 0.4% max
CHLORIDES :: 0.2% max
Also known as
Passivation additive for NITRIC ACID, SODIUM BICHROMATE, Na2 Cr2O72H2O
Notes
Most popular product for Hot dip galvanizing & Protective coatings.
Where we supply
Oman. Stocked at our warehouse in Barka, South Al Batinah, and supplied to Muscat, Ruwi, Mutrah, Seeb, Rusayl, Barka, Sohar, Shinas, Saham, Buraimi, Nizwa, Ibri, Sur, Salalah, Duqm, Khasab and every other governorate.
Ports and free zones. Port Sultan Qaboos (Mutrah), Mina Al Fahal, Sohar Port and Freezone, Port of Salalah and Salalah Free Zone, Port of Duqm and the Duqm Special Economic Zone, Port of Sur, Khasab Port and Al Mazunah Free Zone.
Industrial areas. Rusayl, Sohar, Barka (Sanaya), Raysut (Salalah), Nizwa, Sur, Buraimi and Duqm industrial estates, Knowledge Oasis Muscat, and oil and gas sites across Oman.
Beyond Oman. We have branches in the UAE (including Fujairah) and in India (Kandla, Kolkata, Visakhapatnam, Chennai and Mumbai), and we also supply to South Africa.
