Carbamide (Urea)
Carbamide(UREA) can be utilized in animal husbandry as fodder additive. Depending on purpose, two carbamide marks are produced: A- for industry; B – for agriculture. Carbamide is non-combustible, fire-and is explosion-proof under normal conditions. As regards to its influence on organism, it falls into 3-rd class of hazardous substances
TECHNICAL SPECIFICATIONS
| Name of a parameter | Standard for mark and grade | ||||
| А | B | ||||
| extra | first | extra | first | second | |
| 1. Nitrogen fraction of total mass on dry basise, %, not less | 46,3 | 46,2 | 46,2 | 46,2 | 46,2 |
| 2. Biuret (Ureido Formamide) fraction of total mass, %, no more | 0,6 | 1,4 | 1,4 | 1,4 | 1,4 |
| 3. Loose ammonia fraction of total mass, %, no more, for carbamide | |||||
| – crystal | 0,01 | 0,01 | – | – | – |
| – prilled | 0,02 | 0,03 | – | – | – |
| 4. Mass share of water, %, no more: | |||||
| – Method of drying | 0,3 | 0,3 | 0,3 | 0,3 | 0,3 |
| – Method Fishera | 0,6 | 0,6 | 0,5 | 0,5 | 0,6 |
| 5. Friability, % | – | – | 100 | 100 | 100 |
| 6. distribution of sizes, %: | |||||
| – fraction of total mass of granules with size, mm : | |||||
| § 1 – 4, not less | – | – | 94 | 94 | 94 |
| § 2 – 4, not less | – | – | 70 | 50 | – |
| § less than 1, not less | – | – | 3 | 5 | 5 |
| § 6-mm sieve residue, no more | – | – | Absence | ||
| 7. Static hardness of granules, kgf/granule, not less | – | – | 0,7 | 0,5 | 0,3 |
APPLICATION AREA
Crystal carbamide (urea) is received from ammonia and carbon dioxide. carbamide is used in an industry as raw materials at manufacturing of pitches, glues, etc., for use in agriculture as mineral nitrogen fertilizer.
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