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Caprolactam
Caprolactam
Caprolactam (CPL) is an organic compound with the formula (CH2)5C(O)NH. This colourless solid is a lactam (a cyclic amide) of caproic acid. Global demand for this compound is approximately five million tons per year, and the vast majority is used to make Nylon 6 filament, fiber, and plastics.
| Parameter | Limiting value | Testing method |
| Permanganate absorption index | max. 5 | ISO 8660 |
| Volatile bases | max. 0.5 meq/kg | ISO 8661 |
| UV-extinction at 290 nm | max. 0.05 | ISO 7059 |
| Solidification point | min. 69 °C | ISO 7060 |
| Water | max. 0.05 % | ISO 760 |
| Color | max. 5 Hazen | ISO 8112 |
| Alkalinity / acidity | max. 0.05 meq/kg | 83-076 |
Packaging
- The double-layer packaging is adopted, the inner packaging is polyethylene plastic bag, the outer packaging is plastic woven bag, and the net content of each bag is 25kg.