The ISO 21702 standard, developed by the International Organization for Standardization (ISO), provides test methods for measuring the antiviral activity of antiviral treated products on plastics and other non-porous surfaces against specific viruses. The official names of this standard are ISO 21702: 2019 Measurement of the antiviral activity on plastics and other non-porous surfaces.
Contaminated surfaces and materials can be an essential route for the spread of the virus. During the COVID-19 pandemic, we have become accustomed to regularly cleaning surfaces that are regularly touched.
There is also increasing demand for next-generation antiviral surfaces that can quickly inactivate harmful virus particles. In response, material developers have adopted two main approaches. First, naturally use antiviral materials (e.g., copper and various copper derivatives) or incorporate antiviral additives into the product.
ISO 21702 test
The iso 21702 is a method designed to test the virus-killing properties of plastics and other non-porous surfaces. This involves loading a given concentration of virus on the test and reference surfaces and leaving them in a humidifying chamber at room temperature for up to 24 hours.
The surviving virus is then recovered by washing the sample with a liquid medium. The amount of infectious virus recovered from these samples is then quantified and informed if the tested surface is antiviral compared to the reference control.
Antiviral drugs are commonly used against viral infections and used to control or destroy a virus infection. In other words, antiviral are effective against the virus and prevent the harmful effects of the virus.
Within the framework of implementing the standard, antiviral agents refer to situations where the number of infectious viral particles on the surface of a product is reduced. Thus, antiviral agents reduce the amount of contagious virus on the surface of the product. Therefore, antiviral activity means fighting the virus.
Consumers widely accept porous and non-porous products treated with antibacterial agents with hygienic functions and properties that differ from traditional materials in terms of material protection. In addition, consumers are concerned about the presence of harmful microorganisms in a variety of materials. Therefore, these products are essential.
The iso 21702 is one of the most demanding antiviral surface testing methods for assessing the antiviral activity of antiviral treated products such as plastics, coating materials, ceramics, natural and artificial leather, rubber, and other non-porous surfaces. It is one.
Measurement methods for measuring the antibacterial activity of non-porous products are included in the ISO 22196 standard (ISO 22196 measurement of antibacterial activity on plastics and other non-porous surfaces).
The measurement method for measuring the antibacterial activity of porous products (fibers) is included in the iso 21702 standard (ISO 20743 Fiber-Measurement of antibacterial activity of textile products).
Processing viruses and host cells is a potentially dangerous task and require a high degree of technical competence. In this sense, the test methods included in ISO 21702 must be performed by trained personnel.