There is a wide range of synthetic pesticidal formulations are available viz, SP, WP, EC, SG, WSP, Microemulsion, Microencapsulated etc. Which formulations are simplest to production in large scale?
This is probably not the answer that you want:
The simplest to produce in large scale is the formulation with the fewest components, and that has all components locally sourced and easily transported.
I might add that there is no formulation that applies to all products. The WP formulation by one company will be different than the WP formulation by a different company. It might not even be consistent within the company but across continents. The formulation is proprietary ingredients, and not usually published. Working with companies often involves a secrecy agreement, part of which says that you are not allowed to reverse engineer the formulation.
I hope that helps a bit.
Sir, I think as per your requirements, If we consider all this formulation then SP and EC formulation is easy to prepare. Even small scale manufacturer can formulate such products. To prepare WP, WDG and microencapsulated product require more ingredients, require machinery of higher cost and less reproducible. Require good control in process of WP/WDG and micro encapsulated products.
The simplest formulation is pesticide+water. This assumes that the pesticide is water soluble. A bit of surfactant often helps. A few more ingredients and you have a formulation for glyphosate. Of course if your pesticide is not water soluble, then this is a terrible idea. Not all formulation types are suited to all pesticide molecules. You also need to consider how your potential customers will react. If you give me a ULV formulation and I don't have the equipment to apply that formulation then you will have problems getting me to buy your product.
There are many other issues. Everything from adding UV protectants (if needed) to building a great formulation that happens to be phytotoxic. However, that last is not relevant if you are going for structural pests in homes.
The easiest to my contest is Emulsions in Water (EW) and also Aqueous conc formulations (AQ). Here the active ingredient is mixed with water and minor other ingredient. You do not have high risk in the formulation environment since you have no much organic solvents involved in the formulation process.
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