Superphosphate
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Product category: Chemical products
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Small description
Superphosphate is a highly effective granular phosphate fertilizer containing up to 20% phosphorus. The fertilizer contains about 1.5% nitrogen, 10% sulfur, 17% calcium, 0.5% magnesium.
Unlike powdered superphosphate, it does not form lumps and does not cake. It can be applied to the soil using grain fertilizer seeders. In the process of granulation, free phosphoric acid is neutralized, and superphosphate is dried, so the amount of free phosphoric acid in it is reduced to 1-2.5%, and moisture - to 1-4%.
Physical and chemical indicators:
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Name of indicator |
Norms |
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Brand A |
Brand B |
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1st grade |
2nd grade |
1st grade |
2nd grade |
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Gran. |
Land. |
Gran. |
Land. |
Gran. |
Land. |
Gran. |
Land. |
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Appearance |
A mixture of granules with grayish powder |
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Mass fraction of total phosphates, in terms of Р2О5, % |
18±1 |
18±1 |
15±1 |
15±1 |
13±1 |
13±1 |
11±1 |
11±1 |
|
The ratio of the mass fraction of water-soluble phosphates to the mass fraction of total phosphates, %. at least |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
|
Mass fraction of nitrogen, % |
1,5±0,5 |
1,5±0,5 |
1,5±0,5 |
1,5±0,5 |
1,5±0,5 |
1,5±0,5 |
1,5±0,5 |
1,5±0,5 |
|
Mass fraction of free acid in terms of Р2О5, %, no more |
0,5 |
0,5 |
0,5 |
0,5 |
0,5 |
0,5 |
0,5 |
0,5 |
|
Mass fraction of water, % no more |
5,0 |
5,0 |
5,0 |
5,0 |
5,0 |
5,0 |
5,0 |
5,0 |
|
Friability, % |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
|
The strength of the granules crushing MPa (kgf/cm2), not less than |
1,5 (15) |
- |
1,5 (15) |
- |
1,5 (15) |
- |
1,5 (15) |
- |
|
Grading: Mass fraction of granules with the size Not less than 1 mm, %, not more from 1 to 4 mm, % not less more than 6 mm, %, no more |
15 70 1,0 |
- - - |
15 70 1,0 |
- - - |
15 70 1,0 |
- - - |
15 70 1,0 |
- - - |
Safety requirements: Superphosphate is a moderately hazardous substance, fire and explosion proof.
Storage, packaging: Superphosphate is produced in packaged form - in polypropylene bags (50 kg), plastic bags (5 kg) and without packaging (in bulk). Stored in closed dry warehouses.
Transportation: Superphosphate is transported in bulk or packaged.
Packaged superphosphate is transported by all means of transport in covered vehicles in accordance with the rules for the carriage of goods in force for this type of transport.
Guaranteed shelf life - 6 months from the date of manufacture
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