Commonly used formulas for sanitary insecticides

Commonly used hygienic insecticides are various preparations prepared by processing the original drug. The processing method is different, the prepared dosage form is different, and the method of dilution and use is also different.
1 î—™ wettable powder (WP), its composition is the original drug, carrier (ceramic, surfactant (wetting agent) and adjuvant (stabilizer), pulverized. Such as 2.5% Kai Su Ling WP 5% Struggle WP, 5% WP, 10% Aiken WP and 10% Snap to Wet Powder, mainly used for residual spraying.
2  emulsifiable concentrate (EO) and water emulsion (EW)  The original drug is dissolved in a certain amount of solvent (or water) in a certain ratio, and a certain emulsifier is added, and stirred to form a uniform transparent oily liquid. The emulsifiable concentrates currently used are mainly 50% dichlorvos emulsifiable concentrate (sanitary grade), 50% malathion emulsifiable concentrate, 50% fenthion emulsifiable concentrate, etc., and are mostly used for space and residual spraying.
3  剂 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( The suspending agents currently used are mainly: 2.5% enzymatic suspending agent, 1.5% or 10% struggling suspension, 5% Taikang suspension, 5% chlorhexidine suspension and 1.25% or 12.5% ​​insecticide suspension. . Suspending agent is a new type of retention insecticide, which is superior to similar wettable powder in terms of use and effect.
4  oil agent (OL)  The pesticide active ingredient is directly dissolved in kerosene (deodorized kerosene, aviation kerosene, diesel, etc.), and the existing oil agent can be made into an aerosol. , or a special oil for hot smoke generators. Other dosage forms that do not need to be diluted and prepared for direct use include: smoke agent (FU) (insecticide tablets, mosquito killer, mosquito coil), aerosol (AE), poison bait (RB) (gel bait, PS), electrothermal solid (Liquid) mosquito coils (MV, LV), etc.
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