Commercial Grades are used for non-critical applications like primers, some variety of paints, tiles etc. As a major supplier of synthetic iron oxide pigments in India, we offer a range of Commercial grades like SFO-A, SFO B among many others as detailed below.
| Commercial Grades |
|---|
| Grades | Red Excel E | Bright Red | Tata Gulf | 400 Mesh | SFOA | SFO B |
|---|---|---|---|---|---|---|
| Volatile matter (%) | 0.5% max | 0.5% max | 0.5% max | 0.5% max | 1% max | 1% max |
| Residue on sieve (%) 325 Mesh | 0.5% max | 0.5% max | 0.5% max | 0.5% max | 1% max | 1% max |
| Mass Tone | Close match to standard | Close match to standard | Close match to standard | As of red oxide | N/A | N/A |
| Reduce tone | Close match to standard | Close match to standard | N/A | N/A | N/A | N/A |
| Oil absorption | 20-25 | 18-24 | 15-20 | 15-20 | 15-20 | 15-20 |
| Matter soluble in water (%) | 0-0.5 | 0-0.5 | 0-0.5 | 0-0.5 | 0-0.5 | 0-0.5 |
| Sum of soluble chloride and sulphate (%) | 0-0.1 | 0-0.1 | 0-0.1 | 0-0.1 | 0-0.1 | 0-0.1 |
| Acidity as H2SO4 (%) | 0-0.1 | 0-0.1 | 0-0.1 | 0-0.1 | 0-0.1 | 0-0.1 |
| pH of aqueous extract | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 |
| Total iron as Fe2O3 (%) | 94 Min | 94 Min | 94 Min | 94 Min | 94 Min | 94 Min |
| Ferrous iron (%) | 1.5 Max | 1.5 Max | 1.5 Max | 1.5 Max | 1.5 Max | 1.5 Max |
| Calcium compounds (%) | 0-2.25 | 0-2.25 | 0-2.25 | 0-2.25 | 0-2.25 | 0-2.25 |
| Loss on ignition (%) | NA | NA | NA | NA | NA | NA |
| Pack size | 25 Kg | 25 Kg | 25 Kg | 25 Kg | 25 Kg | 25 Kg |