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Safely replace PUR with cost-effective PVC
PUR (polyurethane) has decisive advantages as a jacket material in some areas, but not in all. Our aim is to provide enough information so that you can decide objectively whether a cable with PVC jacket is not only sufficient, but may be a better solution.

How do you save money by choosing the right outer jacket?

Every material has specific specifications; there is no one-size-fits-all good or bad material. Here we use the example of the PVC and PUR jacket materials to show which is best suited for what applications and provide specific ideas for reducing costs in this context.

Advantages and properties of the two materials

PVC

Good abrasion resistance
Excellent flame resistance
Very easy to customise

PVC or polyvinyl chloride is a versatile plastic compound. Nevertheless, there is a widespread perception that PVC cables are only suitable for fixed installation.
However, this is not entirely true. There are thousands of different PVC compounds for a variety of applications and it is important to find the right one for use in the energy chain. For the igus chainflex cables, we have chosen a compound that has a high abrasion resistance in the e-chain, is very easy to assemble and is also cost-effective. This is why PVC cables are often used in industries with a dry environment at room temperature conditions, e.g. packaging or woodworking.

PUR

Good oil resistance
Durability at low temperatures

A PUR (polyurethane) outer jacket is characterised above all by its very good oil resistance. PUR cables are often used in applications and industries with dirty environmental conditions e.g. oil or coolants, for instance in machine tool construction. Nevertheless, the jacket remains flexible even in continuous use in the energy chain and withstands a high mechanical load. In addition, PUR cables are well suited for applications with low temperatures.

Sample calculation of catalogue cables

CF270.UL.D in PUR

Part no.: CF270.UL.25.15.02.01.D
Number of cores and conductor nominal cross section:
(4G2.5+(2x1.5)C)C
Max. outer diameter: 14mm
Bend radius: 10 x d

A comparison is worthwhile! Cost savings of up to:

CF210.UL in PVC

Part no.: CF210.UL.25.15.02.01.D
Number of cores and conductor nominal cross section:
(4G2.5+(2x1.5)C)C
Max. outside diameter: 14mm
Bend radius: 10 x d