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e-chains® comparison test: igus® plastic e-tube R4.38L vs. competitor's enclosed energy chain in hybrid design (plastic/metal)

e-tube R4.38L

In a comparison test in the industry's largest test laboratory in Cologne, igus® compared its plastic R4.38L energy chain with a competitor's product. In a fracture test, the two chains were evaluated in respect of their appearance, their behaviour when subjected to tensile forces and their load capacity; their ease of installation was also assessed.

igus® R4.38L Competitor´s chain
1.5 m unsupported length with
4 kg/m additional weight
No sagging after 96 hours
(96 mm)
19 mm sag
Tensile test The R4.38L copes with a tensile force of 7,481 N, which is more than
the competitor's chain.
2.200 N
Fracture test The R4.38L copes with a tensile force of 1,590 N, which is more that
the competitor's chain.
994 N
Ease of installation Snap open on both sides
Linkwise cutting possible
Interior separation possible
Not snap open
Cutting to length costly
Interior separation not

The igus® R4.38L e-tube is superior to the competitor's product with regard to all the aspects tested.

More information:

Visión general del sistema E4.1

Una ÚNICA cadena portacables para casi todas las aplicaciones

Test laboratory for energy chains

More than three billion test cycles per year are carried out at a total of 180 testing stations.