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Electrostatics

Laboratory Testing TÜV SÜD Schweiz Process Safety

STATIC ELECTRICITY

Our services

TÜV SÜD Schweiz Process Safety owns an accredited electrostatic laboratory which can offer you a large variety of tests:

  • Breakdown voltage
  • Surface and volume resistivity
  • Classification of material, especially for clothing and shoes
  • FIBC certification
  • Space charge density measurement
  • Floor resistivities

Certification of Flexible Intermediate Bulk Containers (FIBCs)

APPLICATION

Flexible intermediate bulk containers are being used increasingly in those industries that process powders. FIBCs should comply with various requirements designed to preclude ignition hazards due to electrostatic charge. These requirements depend on where the containers are used, and are divided into classes A, B, C and D.

The benefits for you

Only a few laboratories can carry out the classification of flexible intermediate bulk containers. With the laboratory of TÜV SÜD Schweiz  Process Safety you benefit from decades of experience in the field of electrostatics and explosion protection. All tests carried out for classification purposes are accredited ISO/IEC 17025.

We provide certificates of validity for all kinds of liners and FIBC. Our tests are in agreement with the requirements of the IEC 61340-4-4 2nd edition especially the conditioning of the bag. We own a climatic chamber large enough to welcome and test a bag as a whole. We are independent and neutral, this is why our certificates are recognized and trusted by large chemical and pharmaceutical companies all over the world.

In order to help our partners we perform the certification process firstly via a screening test. If the screening show values in the ranges defined by the standard 61340-4-4 2nd edition, we automatically carry out the certification. If the screening is bad, we inform our partner and only invoice the screening. A simple screening test is of course much cheaper than a complete certification process. Those are your benefits right there.


What do we need as a sample?

In order to get a certificate, we need a full piece of the bag to be tested. We do not deliver certificates for foils to be liners or fabric. The reason is that we often observe a spatial variation of the breakdown voltage or surface resistance.

Do not hesitate to contact us if you wish more information.


testing the leakage resistance of floor coverings

application

The accumulation of electrostatic charges is mainly a hazard in locations where, under certain conditions, it can cause an ignition to occur. Even in places where there is no special fire hazard, electrostatic discharges can be an unpleasant phenomenon, and can cause accidents or technical faults. The accumulation of electrostatic charges can be counteracted by means of conductive floor coverings.

the benefits for you

All tests carried out to determine leakage resistance to earth, surface resistance and breakdown voltage are accredited ISO/IEC 17025.

our services

  • Measurement of the leakage resistance to earth according to EN 61340
  • Determination of the surface resistance of samples to IEC 60093
  • Determination of the breakdown voltage of insulating layers to EN 60243
  • Consulting and evaluation of new developments in floor coverings

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