About ATEX

SPECIALISTS IN STATIC CONTROL
OVER 30 YEARS EXPERIENCE & KNOWLEDGE

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ABEBA ATEX BOOT

Ignition source electrostatic discharge 

The electrostatic discharge is caused by an imbalance of potential on charged objects or people. A human body which is not provided with an ATEX/ ESD-shoe can be charged up to several kilovolts (kv). This generated charge can be decreased by the use of ATEX/ ESD-shoes. One way to estimate the risk of electrostatic discharge is to evaluate the minimum ignition energy (MIE) of the explosive atmosphere. The MIE - measured in millijoule (mJ) - is a parameter to describe the ignition sensitivity of an explosive atmosphere. 3 kv is needed to cause a noticeable sensation to a person. This is similar to an ignition energy of 0.7 mJ. There are explosive substances, for example Benzol, that may explode at an energy of only 0.2 mJ.

 

Walking Test

The experience shows that it is not enough just to control the resistance value of the ATEX/ ESD-shoes. To assure a sufficient protection against the static charge of employees, we recommend to add the walking test (according to EN 61340-4-5, charge must be below 100 V) to complete your security program for explosive areas.

If ATEX/ ESD-shoes are used the following facts should be considered:

  • Effective ATEX/ ESD-protection is only assured by using ATEX/ ESD-shoes in combination with an ESD-floor
  • Dirt or dust on the outsole may lead to an isolating layer
  • Orthopaedic insoles and modifications must not affect the resistance of the shoe

ATEX = ATmosphére EXplosible (explosive atmosphere)

Accidents at work in explosive areas (EX-areas) mostly have a bigger impact than in other areas. That’s why it is even more important to pay attention to the work safety in these special areas. Where explosive air/ gas or air/ dust mixtures can’t be embanked the following activities must be initiated:

  • Classification of endangered areas into zones
  • Avoiding of ignition sources
  • Constructive explosion protection

One of the ignition sources can be the electrical discharge. This can be effectively avoided by antistatic garments, materials and tools. Our antistatic shoes have been used in ESD-areas (Electro Static Discharge) for years. Combined with an antistatic floor covering ABEBA ESD shoes avoid the electrostatic charge of the wearer. 

The styles of our ATEX range are the first shoes within Europe certified for the use in EX-areas. We would certainly provide you with the corresponding TÜV certificates if needed.

The following standards have been taken into account:

  • EC Directive 99/92/EC
  • EN 61340-4-3:2001 (climate classification 2)
  • CLC/TR 50404:2003 


Additionally our safety and occupational shoes come with the following specifications:

  • Replaceable insoles
  • Certified for customised orthopedic insoles (see markings)
  • Metal free penetration resistance (S1P/ S3 styles)
  • Washable at 30°C (Art. 32131, 32136 and 2626)
  • Many styles up to size 50 and NEW up to size 52 (see article description)

For more information, please contact us and ask for our detailed ATEX-Flyer
(the updated English version will be available soon)

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