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04 May 2026 - News
Microencapsulation is a technique that began to develop in the early 1980s and has rapidly spread to numerous sectors, including the pharmaceutical, chemical, agricultural, and food industries.
The pest management sector, starting around 2000, also began to adopt this new technology, introducing microencapsulation as an innovative and alternative formulation for liquid insecticides. From the first immediate-release formulations, there has been a progressive shift to more advanced solutions, capable of ensuring targeted and prolonged action over time, reducing the impact on the environment and non-target organisms.
Over the years, research has continued with increasingly innovative formulations, where polymer capsules incorporating the active ingredient have guaranteed improvements in stability, persistence, and safety.
In the pest control world, microencapsulated insecticides are liquid insecticides characterized by tiny porous polymer capsules containing the active ingredient. The spherical capsule is defined as micro if it has a diameter between 1 and 100 μm and allows the liquid enclosed within it to be handled and treated as if it were solid.
In most microencapsulated liquid insecticides, almost all of the active ingredient is enclosed within the microcapsules, as a result the toxicity of the product is greatly reduced and at the same time its effectiveness is increased.
Microencapsulated insecticides are considered safer for mammals and fish and considered less polluting for the environment. This is because the release of the active ingredient contained inside the capsules occurs slowly and in a controlled manner: the insecticide acts only after the application of the product.
With this formulation, side effects such as the release of unpleasant odors and/or stains can be avoided. Therefore, it is possible to employ the microencapsulated insecticidal solutions within closed or high-traffic environments, without exposing the occupants to vapors or product residues.
The microcapsule formulation allows for safer and easier management of the product by the operator handling the product. However, it is always necessary for the latter to pay attention to the moment of dispensing the insecticide by appropriately adjusting the equipment chosen to carry out the treatment and adhering to what is provided on the label.
More persistent
The microcapsules are collected from the legs and exoskeleton of the insect exposing it to prolonged contact with the harmful substance that is continuously released from the capsule.
More efficient
The active ingredient, enclosed in the capsules, is protected from atmospheric agents and reactions with the substrate, ensuring greater stability and effectiveness over a prolonged period of time.
Applicable on every surface
Thanks to the microcapsules containing the insecticide, it is possible to perform treatments even on porous surfaces without dispersing the active ingredient.
Lower environmental impact
The environmental impact is reduced thanks to the chemical-physical stability that characterizes the product and is more compatible with modern safety protocols.
Safer
The operator can use the product more safely and conveniently, reducing the risk of direct exposure and ensuring more controlled and easier management during operations.
Amplified effect
Gregarious and social insects (e.g. Cockroaches and ants), living in close contact, spread the microcapsules among themselves, increasing the effectiveness of the intervention.
Sanipy is Colkim’s microencapsulated liquid insecticide-acaricide based on natural pyrethrum. Characterized by a rapid knockdown action, it lasts up to four weeks after its delivery.
Sanipy is suitable for the control of food insects, crawling and flying. The microencapsulated solution is applied through spray and spray dispensing in indoor environments such as warehouses, animal shelters (vacuums), industrial plants, food handling and storage areas, and around buildings for perimeter barrier treatments. It can also be used in agricultural premises, poultry farms, empty grain warehouses, agricultural outbuildings and dairies.