A reaction product comprising equal quantities of
The material shall consist of a suspension of micro-capsules containing technical lambda-cyhalothrin, complying with the requirements of WHO specification 463/TC (2003), in an aqueous phase, together with suitable formulants. After agitation, the material shall be homogeneous and suitable for further dilution in water.
Lambda-cyhalothrin 50 g/kg
6.0 to 8.0
Spontaneity of dispersion
A minimum of 90% of the lambda-cyhalothrin content shall be in suspension after 5 minutes in CIPAC standard water D at 30 ± 2°C.
There shall be a maximum of 15 ml after 1 minute.
Emulsion stability and re-emulsification
Comply with WHO Specification 463/EC (2003.)
Stability at 0 °C
After storage at 0 ± 2°C for 7 days, the volume of solid or liquid which separates shall not be more than 0.3 ml.
Wet sieve test.
Stability at elevated temperature
After storage at 54 ± 2°C for 14 days, the determined average active ingredient content shall not be lower than 95%, relative to the determined average content before storage and the formulation shall continue to comply with the clauses for pH range and emulsion stability and re-emulsification.