||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.
||Maximum acidity: 1.5 g/kg calculated as H2SO4.
|Stability at 0°C
||After storage at 0 ± 2°C for 7 days, the volume of solid and/or liquid which separates shall not be more than 0.3 ml.|
|Stability at elevated temperature
||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 found before storage and the product shall continue to comply with the clauses for:
– pH range
– Emulsion stability and re-emulsification