Cypermethrin 250 g/l ± 6% of the declared content
The material shall consist of technical cypermethrin, complying with the requirements of FAO Specification 332/TC/S/F or 332/TK/S/F (1993), dissolved in suitable solvents, with any other necessary formulants. It shall be in the form of a stable liquid, free from visible suspended matter and sediment.
Maximum: 2 g/kg.
After the heat stability test, the product, when diluted at 300C with CIPAC Standard Waters A and C, shall comply with the following:
Time after dilution Limits of stability
0 h Initial emulsification complete
0.5 h 'Cream', maximum: 1 ml
2.0 h 'Cream', maximum: 2 ml
'Free oil': nil
24 h Re-emulsification complete
Stability at 0 °C
After storage for 7 days at 0 ± 1 °C, the volume of solid and/or
liquid which separates shall not be more than 0.3 ml.
After storage at 54 ± 2 °C for 14 days, the determined average active ingredient content must not be lower than 95% relative to the determined average content before storage and the product shall continue to comply with Acidity content.