EN ISO 11683 Packaging - Tactile hazard warnings - Requirements," based on a European standard and subsequently published by the International Organization for Standardization (ISO), specifies the requirements for tactile hazard warnings on packaging containing certain hazardous substances and preparations. To avoid confusion in interpretation, tactile hazard warnings are only applied to packaging subject to applicable regulations on hazardous substances and preparations. This standard does not specify the hazardous substances and preparations to be contained in packaging with tactile hazard warnings. These must be specified by regulatory authorities.
Essentially, these symbols are important for alerting visually impaired individuals to the presence of hazardous substances in packaged products. They enable visually impaired individuals to identify hazardous products through tactile symbols on packaging.
For the purposes of this standard, the following definitions apply:
In general, the tactile warning of danger should be placed on the packaging itself, not on secondary packaging such as a cardboard box protecting the glass bottle, so that it can be felt before the packaging is fully opened. Furthermore, all the requirements specified in this standard must be met.
The symbols described in this standard are considered tactile warnings of danger. These warnings apply equally to warnings that are an integral part of the packaging or presented in some other way, such as on an adhesive label or attached to the packaging.
The standard symbol should be used where physically possible. The reduced size 9 mm symbol should only be used where applying the symbol is physically impossible. The 3-dot symbol should only be used where applying the 9 mm symbol is physically impossible. The 3 mm symbol should only be used where applying the 3-dot symbol is physically impossible.
The symbol should be an equilateral triangle with the corners as sharp as possible. At the corners, the edges should be joined as much as possible; if not, they should be spaced no more than 1,0 mm apart. The length of the side should be 18 mm plus or minus 2 mm.
The triangle must be made of a frame with a width of 1,7 mm plus or minus 0,2 mm. The height of the frame section must be between 0,25 mm and 0,5 mm. The minimum area of the frame section must be 1/2 the height x width, and the section must be rectangular or curved.
Three symbols can be used to indicate reduced dimensions: the 9 mm symbol, the 3 dot symbol, and the 3 mm symbol
The primary purpose of the EN ISO 11683 standard is to protect visually impaired consumers by requiring tactile warnings (usually embossed symbols or patterns) on packaging containing hazardous substances or preparations. These tactile indicators help users identify potential risks without having to read printed hazard labels. This standard primarily applies to consumer packaging for hazardous goods, such as:
This standard specifies the use of a standardized raised triangle or equivalent shape that is easily recognizable by touch. The triangle must be: clearly recognizable, durable, and located in a location where it can be easily located by hand.
The tactile warning must be placed in a consistent, accessible location on the package, typically where the product is typically handled or opened. The warning must be resistant to abrasion, weather, chemicals, and regular handling. It must remain intact throughout the product's life cycle. This standard covers rigid, semi-rigid, and flexible packaging, including bottles, cans, tubes, and other common containers.
Certain small or single-use packages may qualify for exemptions if they are under a defined volume or if tactile marking is impractical. However, such exemptions must meet stringent conditions and often require alternative risk communication.
The EN ISO 11683 standard supports compliance with European legal regulations such as:
In some regions, tactile warnings are legally required on products with hazardous classifications, and the EN ISO 11683 standard provides the harmonised technical basis for implementation.
The EN ISO 11683 standard is considered important for the following reasons:
In short, the EN ISO 11683 standard is the cornerstone of accessible design and consumer safety in packaging. By mandating tactile hazard symbols, it ensures that critical hazard information is clearly communicated, even to those who cannot rely on visual cues.
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