EVEN MORE SAFETY
Foot protection from ELTEN: That means safety according to European standards–and protective equipment, the components of which cater precisely for the various potential hazards in the workplace. Naturally in accordance with the latest technology and certified according to protection classes 1, 2 and 3. However, good foot protection must fulfil further criteria.
At dawn, dusk, night or in bad weather conditions people in dark clothing are firstly recognized when they are only 30 meters away. The equipment with reflective materials offers additional protection and helps you to be seen under all weather and light conditions.
ESD DOES NOT EQUAL ESD
ESD shoes should be used if there is a necessity to conduct electrostatic charge away in a controlled manner through the shoes. ESD approved safety shoes and occupational shoes thus protect not only personnel, but also provide protection for components and assemblies at risk from electrostatic energy.
THE RELEVANT STANDARDS FOR ESD FOOTWEAR ARE:
DIN EN IEC 61340-4-3 „Standard test methods for specific applications; footwear“.
The electric contact resistance of the shoes is the only value measured. To achieve this, the shoes are filled with metal balls before the measurement is carried out. This test procedure demands compliance with a maximum threshhold value of 100 MΩ (108 Ω). Before the shoes undergo testing, they are climatically preconditioned in conditions of max. 15% relative air humidity. This ensures that ELTEN ESD shoes provide high levels of protection against unwanted electrostatic phenomena even in harsh climatic conditions, especially those prevailing in the cold season.
DIN EN 61340-5-1 „Protection of electronic components against electrostatic phenomena“.
This standard makes basic requirements on the ESD control programme. Since the last revision of this standard in 2017, the maximum threshold value recommended when testing personnel grounding in the person/footwear system is 100 MΩ (108 Ω). In addition, all ELTEN ESD shoes comply with a stricter limit from the previous version of the standard of 35 MΩ.
ELTEN fits its safety shoes of classes S1P and S3 either with a non-metallic penetration-resistant midsole or a steel midsole. Both types meet the supplementary requirements for penetration resistance in accordance with EN ISO 20344/20345. For greater penetration resistance, e.g. in the construction industry, we recommend using S3 safety shoes with steel midsoles.
The penetration resistance is measured in the laboratory using a truncated nail of diameter 4.5 mm and a force of 1100 N. Higher forces or nails of smaller diameter will increase the risk of penetration occurring. In such circumstances alternative preventative measures should be considered.
Two types of penetration resistant insert are currently available in PPE footwear. These are metal types and those from nonmetal materials. Both types meet the minimum requirements for penetration resistance of the standard marked on the footwear but each has different additional advantages or disadvantages including the following:
Advantage: Steel midsoles are less affected by the shape of the sharp object (i.e. diameter, geometry) or hazard (i.e. sharpness). Disadvantage: Due to shoemaking limitations they do not cover the entire sole area of the shoe (about 85%).
Advantage: Non-metallic penetration resistant midsoles may be lighter, more flexible and provide a greater coverage area when compared with steel midsoles. Disadvantage: The penetration resistance may more likely depend on the shape and the size of the pointed object..
PROTECTIVE TOE CAPS
Toe protection caps are available in a range of fits. Our models for wider feet are naturally also equipped with toe protection caps with greater volume, whilst the ladies’ models contain toe protection caps with a slimmer fit. As such, the right toe protection cap is available to suit almost every foot shape.
STEEL TOE CAPS
Steel toe caps are more stable than caps produced from other materials. Steel toe caps are also break-resistant under high loads. They have a slimmer appearance than composite toe caps for example.
COMPOSITE TOE CAPS
Composite toe caps are approx. one third lighter than steel toe caps and therefore save weight. They are particularly well suited for areas in which no metal is permitted.
Aluminium toe caps are approx. 40 % lighter than steel caps and are therefore comparable with plastic caps, although they result in a much slimmer look because they achieve the same protective effective with a reduced material thickness. Aluminium caps are particularly suitable for use in winter, thanks to their low temperature conductivity.