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ESD & ATEX

The requirements for the prevention of static charges in applications have been increasingly growing in modern production facilities. Essentially, there are two reasons for this:

ESD - Avoidance of static charges in the field of manufacturing processes of electronic components or assemblies

ATEX - Prevention of ignitable charge in the explosive environment


As early as 1992, the igus® GmbH, together with the PTB (Physikalisch-Technische Bundesanstalt) in Braunschweig, conducted measurements of the electrical surface leakage resistance for igus® e-chains® with the special material igumid GC, supplemented by additional certifications in 1998 and 1999 according to DIN 53482 and the guidelines for static electricity "ZH1/200" of the Federation of Trade Associations.
As part of further innovation, the material igumid ESD was certified in May 2002 by the PTB (Physikalisch-Technische Bundesanstalt). In its properties, the material igumid ESD combines the requirements of the ESD as well as ATEX factors. In many mechanical requirements, the igumid ESD surpasses even the standard material igumid GLW and has been tested in the igus® technical center with over 10 million cycles.

Your benefits with ESD products

ESD material tested with over 10 million cycles for the highest requirements

Snap-open e-chains® with mounting brackets and interior separation in ESD and ATEX version available from stock.

Standardized product - igumid ESD with PTB certificate

Proven over years of use in explosion-proof areas

Short delivery times: 7.00 - 20.00 hours - ordering and delivery service

Conductivity of igus® products made of igumid ESD

Contrary to the conductive surface coatings for temporary use or the briefly incorporated static inhibitors, the applied additive enables a lasting and maintenance-free conductivity for years. However to ensure conductivity in an e-chain®, it is not enough if only the individual components exhibit conductivity, but the entire e-chain® must have a continuous conductivity from one end to the other. All products in this catalog are optimized in this regard, and the continuous conductivity is measured and documented by a 100% test before delivery.
Only the e-chains® that have passed this test are given the seal and delivered. Color of the igumid ESD products: similar to RAL7015, slate gray for safe differentiation from standard materials.

products made of igumid ESD

100% of the produced ESD e-chains® are checked for their continuous conductivity "from one end to the other"

 

Structural design

Not only the material is important for a safe electrostatic discharge. The structural design is also critical for a truly safe use. The e-chains® from the E4.1 modular kit ensure a permanently constant discharge, since its chain links have a positive-fit connection with each other. Through its patented "tongue and groove" system, the inner link engages the outer link, whereby a discharge is guaranteed even after several million cycles. The e-chains® from the E2/000 range ensure a safe discharge due to the extremely low clearance between the pin and the hole of the chain links.

Material table igumid ESD

Material data igumid ESD Measuring unit Values igumid ESD
Mechanical properties
Tensile stress at yield (dry/wet) MPa *
Elongation at break (dry/wet) % *
Elasticity module (tensile test) MPa *
Limit of elasticity in bending MPa 9.500
Bending strength MPa 230
Hardness Shore D 83
General features
Density g/m3 1,2
Absorption of humidity 23/50 RF Wt.-% 1,9
Maximum water absorption Wt.-% 7,3
Electrical properties
special transitional resistance Ω*cm <109
Surface resistance ROA Ω <109
Thermal properties
Lower application temp. °C -40°C / -40°F
Upper long-term application temp. °C 80°C / 176°F
Upper short-term application temp. °C 150°C / 302°F
Material verification
Fire behavior according UL94 HB
Silicon-free Yes
Halogen-free Yes
2002/95/EG (RoHS) Yes
2002/96/EG (WEEE) Yes
Color
According to RAL, approximate ≈RAL7015
*Values on inquiry

Nothing suitable in the bearing range?

Many other products of the complete igus® e-chains® range are available as custom designs also in ESD/ATEX versions. igus® would be pleased to make an offer for your custom-made product, if technically possible, in the required quantity. The significantly improved profitability, as well as the rapid availability of the bearing range - particularly in the spare parts supply - should always be the first choice.

Solutions

ESD application with igus® E2/000 e-chains® of the series 2400 in a centrifuge for deoiling, drying, rinsing, coating and rust protection

 
 

igus® ESD option of the E2/000 system in a tank car filling station. During the transport of gases, 100% ATEX safety must be ensured.

 
 
Certification of igus® materials:

1992 Test certificate from the PTB for igumid GC in explosion protection zones 0, 1 and 2.
1998/1999 Additional certifications by the PTB according to DIN and static electricity guidelines.
2002 igumid ESD is released in gray (for clear distinction) by the PTB after tests lasting 100
million cycles.
Since June 2002 We enable our customers to comply with the "ATEX" Directive 94/9/EC, EX II 2 GD.

 

EC declaration of conformity for ESD energy supply chains according to ATEX-RL 94/9/EC

 

EC declaration of conformity for energy supply chains of igumid G

 

EC-Declaration of Conformity (German)

 

Certificate of the physical-technical federal institute (German)

 

Guide book for ESD- energy chains (German)

 

ATEX press report - ESD energy supply chains for freedom of planning

 

igus® e-chain® ESD&ATEX Manual

More information of ESD & ATEX

Inquiry/order or request more information



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