Poliamid ziftlerden kimyasal elyaf ve sicim yapımında kullanılır. Benzenden sentetik yöntemle üretilir.
Parameters Description | Min. | Max. | Norms |
Iron mass fraction, %, not more than | 0.00002 | ||
Cyclohexanonoxime mass fraction, %, not more than | 0.002 | ||
Granules mass fraction <1 mm, %, not more than | 0.5 | ||
Optical density with mass fraction 50 %, not more than | 0.04 | ||
Permanganate index, unites, not more than | 4 | ||
Volatile bases content, mmol/kg, not more than | 0.4 | ||
Crystallization temperature, ºС, not less than | 68.8 | ||
Color of caprolactam water colution, mass fraction 50 %, Hazen units | 3.0 | ||
Alkalinity, mmol/kg, not more than | 0.1 |