Technical Articles

What is BS EN 16643-2020?

BS EN 16643-2020 is a technical standard that specifies safety requirements for protective clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections, including suits, hoods, gloves, boots, and visors. It applies to personal protective equipment (PPE) used in the chemical, pharmaceutical, and agriculture industries, as well as in emergency and hazardous waste management situations.

The Purpose of BS EN 16643-2020

The purpose of this technical standard is to ensure the effectiveness of protective clothing against hazardous substances such as chemicals or biological agents. It provides guidelines for manufacturers, users, and testing organizations to assess the performance and quality of the clothing. Compliance with BS EN 16643-2020 helps protect workers from potential risks and ensures a safe working environment.

Key Requirements of BS EN 16643-2020

BS EN 16643-2020 sets out various requirements that protective clothing should meet to ensure its efficacy. Some of the key requirements include:

Evaluation of material compatibility with the intended chemicals or substances it will be exposed to.

Testing for resistance to penetration by liquids or sprays.

Determination of physical properties, such as tensile strength and tear resistance.

Assessment of comfort factors, including breathability and ergonomic design.

Requirements for labeling and user instructions.


BS EN 16643-2020 plays a crucial role in ensuring that protective clothing provides adequate protection against hazardous substances. By complying with this technical standard, manufacturers can ensure their products meet the necessary safety requirements, and users can have peace of mind knowing they are adequately protected in potentially dangerous work environments.


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