The pneumonia epidemic caused by the new coronavirus is still continuing around the world, more and more people pay more attention to personal protection, especially disinfection. People buy all kinds of disinfectants and alcohol, and disinfect them at home.

But what type of disinfectant can kill the new coronavirus? How to choose the disinfection products on the market? Can spray alcohol on the body be disinfected? What are the dangers of disinfection products? What needs to be paid attention to? On the premise of ensuring safety, only by adopting the correct disinfection method can the virus be effectively contained.

Disinfectant Spray

1. What is disinfection?

Disinfection refers to killing pathogenic microorganisms, but it is not necessarily a method that can kill bacterial spores. There are physical, chemical, and biological methods for disinfection. However, biological methods use biological factors to remove pathogens, which are slow and incompletely sterilized. They are generally not used for the disinfection of infectious foci. Therefore, disinfection mainly uses physical and chemical methods to achieve the effect of disinfection, and the chemical drugs used for disinfection are called disinfectants.

2. What are the methods for physical disinfection?

Because the new coronavirus is sensitive to ultraviolet rays and heat, physical disinfection methods such as heating and ultraviolet irradiation can naturally inactivate the virus effectively, but time and intensity need to be paid attention to.

In the absence of disinfection products, we can also adopt physical disinfection methods for disinfection. The commonly used physical disinfection methods are mainly heating and ultraviolet disinfection, but which of the two is more effective?


For heat-resistant items, such as tableware, toys, baby milk bottles, and other small items, boiling for more than 30 minutes or steaming for 5 minutes can achieve the purpose of disinfection. Especially the appliances for infants and young children, if it can be sterilized by boiling water, try to use this method, which is the safest for children.


The natural ultraviolet light is sunlight, but the sun’s temperature cannot reach 56 ℃. In addition, the intensity of solar ultraviolet rays cannot reach the intensity of ultraviolet lamps, so the sun cannot kill the virus. But drying the quilt, drying clothes is still recommended because ultraviolet rays make the virus live shorter and more vulnerable.

Can ultraviolet lamps kill the COVID-19? Since ultraviolet rays are a great threat to the human body, it is easy to cause skin and eye damage, and even lead to genetic mutations. So whether there are children or not, the open type UV lamp is not suitable for family use.

If it is closed ultraviolet disinfection equipment, although the ultraviolet rays are blocked inside and can disinfect small items, clothes, etc., there are still dead corners of disinfection. Ultraviolet disinfection equipment produces ozone when it is used, and ozone floats in the air for a long time, which can cause irritation to the respiratory tract.

Similarly, if we use an ozone machine in our daily life, we cannot control the indoor ozone content. If the ozone content exceeds the standard, the relatively minor effect is that it will irritate the respiratory tract, the more serious impact is that ozone will corrode lung tissue. Therefore, ultraviolet lamps are not suitable for indoor disinfection.

3. What are the types of disinfectants?

Disinfectant is divided into household disinfectant, industrial-grade disinfectant, and food-grade disinfectant. Their prices are also different because of the concentration of the disinfectant.

The concentration of household disinfectant is generally low, and its chemical components are mainly sodium hypochlorite, quaternary ammonium salt, and chloro-m-xylenol (like Dettol disinfectant, Walch disinfectant), etc. These household disinfectants are generally available in supermarkets.

There are many types of industrial-grade disinfectants. The common chemical components mainly include chlorine dioxide disinfectant, internal quaternary ammonium salt disinfectant, chlorine-containing disinfectant (such as dichlorocyanuric acid, trichlorocyanuric acid), and peracetic acid disinfectant. They are generally used for disinfection of hospital sewage and water quality sterilization in large water plants.

Food grade disinfectant is generally chlorine dioxide disinfectant, hydrogen peroxide disinfectant, sodium hypochlorite disinfectants, they are special disinfectants customized for the food processing industry.

There are many types of disinfectants on the market, but not all disinfection and sterilization products are effective in eliminating the new coronavirus!

4. Only three kinds of disinfectant can really kill COVID-19

The new coronavirus is a type of RNA virus with an envelope, which has poor heat resistance, and the outer envelope is more sensitive to organic solvents and disinfectants. Once the envelope is destroyed by the disinfectant, RNA is also very easy to degrade, thus making the virus inactive.

COVID-19 Structure

Many disinfectants and sterilizing wipes on the market claim that they “can kill 99.9% of bacteria”, but bacteria are different from viruses. Such wet wipes and disinfectants can be used to kill pathogenic bacteria such as Escherichia coli and Staphylococcus aureus. But not all of them are effective against the new coronavirus.

According to this research on the new type of coronavirus, this type of virus is resistant to heat and can kill the virus in 30 minutes under the condition of 56℃. In addition to this, chemical disinfectants like 75% alcohol, disinfectants containing sodium hypochlorite, and peroxide disinfectants can effectively kill the new coronavirus, but disinfectants containing chlorhexidine are not useful for it.

5. How to choose a disinfectant that is effective in killing COVID-19?

The method is very simple — look at the chemical composition and concentration.


The new type of coronavirus has an envelope in its structure, which can be destroyed by medical alcohol, so medical alcohol is very effective in eliminating this virus. Medical alcohol is a mixed solution of ethanol and water. Medical practice has proved that medical alcohol with an ethanol concentration of 75% has the best disinfection effect, can kill a variety of bacteria and viruses, and can also effectively kill the new coronavirus.

For some small areas, especially the surfaces that are afraid of corrosion, you can use the above-mentioned alcohol-based lotion to clean, such as door handles, mobile phones, computers, desktops, etc. Alcohol concentration is not the higher the better. Too high alcohol concentration will deform and solidify the protein, which is not conducive to killing the virus. If you cannot buy a 75% alcohol product, you can buy a 90% alcohol product and dilute it to about 75% before use.

75% Ethanol Disinfectant

When using 75% medical alcohol for disinfection, you must pay attention to safety.

(1). Do not spray large amounts of alcohol on infants and adults to avoid alcohol allergy.

(2). Keep away from open flames and heat sources. Alcohol is more likely to cause explosion and combustion.

(3). It is recommended to wipe with alcohol for disinfection, and it is not easy to spray on a large area indoors.

(4). Please use with caution if you have skin allergies and wounds.

(5). After using the alcohol each time, the upper cover of the container must be closed immediately, and it is strictly forbidden to leave it open.


During the usage of chlorine-containing disinfectants such as bleaching powder, chlorine-containing disinfecting powder, or chlorine-containing effervescent tablets, it will release very active chlorine atoms, and chlorine atoms have strong oxidizing properties, which can quickly destroy the structure of viruses or bacteria and kill them, including this new coronavirus.

The main ingredient of chlorine-containing disinfectants in daily life is sodium hypochlorite. Sodium hypochlorite liquid is the most effective for the disinfection of the surface of large objects that are relatively not afraid of corrosion and damage to the environment, and the disinfection of household items such as the floor and toilets. International authorities such as WHO and CDC also recommend sodium hypochlorite as a disinfectant for epidemic prevention and control, especially for environmental disinfection in medical institutions.

Large Area Disinfection

One of the major drawbacks of disinfectants containing sodium hypochlorite is that it is very irritating and corrosive. This disinfectant is not suitable for some easily damaged objects. For the disinfection of the floor, bathroom, and environment, 0.5~0.75% sodium hypochlorite solution or 10% bleach (the main ingredient is calcium hypochlorite) solution can be used for disinfection. The concentration of the disinfectant is the key, when using this disinfectant, please strictly follow the product instructions, dilute it in proportion, and put it in a plastic container, then take an appropriate amount of the liquid for disinfection and sterilization.

In addition, it’s worth noting that it’s not that the name contains the word “chlorine” is disinfectant that containing chlorine. Disinfectant products represented by Dettol and Walch disinfectant, whose active ingredient is p-chloro-m-xylenol, it is a phenolic disinfectant, not a chlorine-containing disinfectant. According to current data, phenolic disinfectants and quaternary ammonium salt disinfectants are not effective against coronavirus.


(1). Although chlorine-containing disinfectants have the strong bactericidal and virus-killing ability, they are also irritating. When using, be sure to avoid the skin, mouth, and nose.

(2). chlorine-containing disinfectants cannot be used at the same time with acidic solvents such as toilet cleaners, which are likely to produce toxic gases.

(3). It is not recommended to use alcohol at the same time, the disinfection effect may be weakened and even toxic gas may be generated.

(4). It has a corrosive and bleaching effect on fabrics, so it cannot be used for the disinfection of colored clothes and other fabrics.

(5). The configuration and use method of chlorine-containing disinfectant should be determined according to the content of available chlorine and the disinfection object. After configuration, choose the way of soaking or wiping for disinfection.

(6). Be sure to dilute according to the instructions, control the concentration, and wear gloves and masks when using, and avoid direct contact with the skin.

(7). When diluting, please use cold water, hot water will accelerate the volatilization of chlorine and affect its sterilization effect.

Safe Disinfection


Both hydrogen peroxide and peracetic acid are common peroxide disinfectants. When used, they release highly reactive oxygen atoms, which are as strong as chlorine atoms, can destroy the structure of bacteria or viruses, thereby killing bacteria and viruses. Peroxide disinfectants have poor stability, and there is a risk of explosion when the concentration is high, so it is not easy to buy on the market. For ordinary consumers, the preparation of peroxide disinfectants is also difficult, and it is recommended to use them under the guidance of professionals.


Most peroxide disinfectants will damage the eyes and respiratory mucosa of humans and animals when used for a long time.

6. A surge in demand for disinfectant producing and filling machines

As COVID-19 spreads all over the world, this battle against the epidemic will not end in the short term. Develop good hygienic habits, and often sterilize and disinfect personal belongings and indoors, which is still very important to prevent the infection of the new coronavirus. Affected by the epidemic, the demand for disinfectants has soared! In addition to medical places, ordinary families and various business venues also have a great demand for disinfection supplies! At the same time, the demand for disinfectant production (if you want to learn more about which machines are needed, please read this article) and filling equipment is also rapidly growing!

Semi Automatic Disinfectant Liquid Filling Machine

Sywen Packaging is a professional disinfectant filling machine manufacturer. Our disinfectant filling machine can be used to fill various liquid disinfectants such as medical alcohol, iodophor, disinfectant, hydrogen peroxide, hand sanitizer, hand sanitizer gel, liquid hand soap, and etc. According to your disinfectant material characteristics and specific filling requirements, we can customize a complete disinfectant packaging solution for you.

Due to the different formulations and the different viscosity of the disinfectant, the recommended liquid sanitizer filling machine is also different. According to the different filling principles, there are three main types of disinfectant filling machines – gravity liquid filling machine, piston disinfectant liquid filling machine and negative pressure disinfectant liquid filling machine.

If the liquid fluidity of the disinfectant is very good, it is recommended to use a semi-automatic or automatic gravity liquid filling machine. In the filling process, the gravity liquid filling machine mainly relies on the gravity of the liquid to flow from top to bottom to complete the filling, it is a common atmospheric liquid filling machine and does not require external force to drive, its production cost is lower than piston-type liquid filling machine.

Automatic Piston Disinfectant Liquid Filling Machine

No matter what type of disinfectant filling machine, it can be used for multiple purposes. After the filling machine is cleaned, it can be used to fill different types of disinfectants.

Different ingredients use different types of liquid filling machines. For example, if the disinfectant has better fluidity but is easier to foam when designing the filling device, on the one hand, the part of the filling head embedded in the bottle mouth can be more to reduce the drop and buffer impact. On the other hand, a negative pressure liquid filling machine can be used for filling.

Negative pressure filling machine is a liquid packaging machine that first evacuates the packaging container to form negative pressure, and then fills the liquid into the packaging container. The height of the filling nozzle determines the liquid level of the bottle, and the material higher than the filling nozzle will be drawn back. Although the cost of the negative pressure liquid filling machine is relatively expensive, the effect of filling the liquid that is easy to foam is very good.

If the PH value of the disinfectant is less than 7, the corrosiveness is relatively strong, and all the parts in contact with the material must be made of acid and corrosion-resistant materials, including liquid silos, filling pipes, valves, etc.

Regardless of which packing method of your disinfection product, gallon barrel, round bottle, or square bottle, combined with your disinfectant material characteristics and specific packaging requirements, we can recommend a suitable disinfectant filling machine for you.

We also design and supply other types of disinfectant packaging machines, such as aluminum foil sealing machines, sleeve labeling machines, double sides labeling machines, automatic coding machines, automatic capping machines, etc.

In order to understand your detailed packaging needs in the shortest time and improve the communication efficiency, please inform your product characteristics and filling requirements in detail before inquiring, such as the pH value of the disinfectant, whether it is viscous, how many filling specifications, bottle size, filling speed, filling accuracy, bottle cap type, etc., we will formulate the most suitable disinfectant packaging solution for you in the shortest time! Contact our engineers now!

Automatic Disinfectant Bottling Line