cold-emulsion
1.According to the standard of transparent appearance of initial preparation cold storage [(0±2) ℃,7 d],heat storage [(54±2) ℃,14 d] and/or dilution stability(1∶ 200 fluid) and good fluidity,we have carried out the screening tests recipes of 4.5% β-cypemethrin emulsion in water using different surfactants,assistants and water.

