To provide you with the best possible solution for your specific application, innoFlex offers you a particularly broad range of materials for box bellows. After thoroughly analysing your requirements, we will work together with you to find the optimum material – and therefore the best box bellows for your application.

Box bellows – material overview

AbbreviationsPPU02PPU04sPPU04wPUT03NPU03PVC04
Material number660670680690730740
Material thickness0.20.340.340.350.330.35

Mechanical properties
at room temperature

Resistance to tearing / N / 50 mm / DIN EN ISO 14218002000200015007001500
Elongation at break / % / DIN EN ISO 1421 181818--3012
Bending stiffness / cN / DIN 531215 bis 5221420-4510010
Water column / mm water column / DIN EN 2081120002000200020005002000
Resistance to bending Bally / revs / DIN 53351 4000055000460002500040000100000

Thermal
behaviour

Flexible at low temperatures down to °C (applies to covering material only)-20°C-20°C-20°C-20°C-20°C-20°C
Max. continuous operating temperature in °C (applies to the covering material only)90°C90°C90°C100°C180°C60°C

Resistance to

Dust
Leakproof
Resistant to water
Resistant to cooling emulsion
Resistant to chemicals
Flame-retardant
Resistant to chips
Resistant to spattering
 
Max. continuous operating temperature in °C (applies to the covering material only)

Assessment:

Very good

Good

Satisfactory

Adequate

Insufficient

Guiding frame (PVC) at max. 60 °C

Please note:
If you are unable to find the right material for your specific application, just speak to one of our applications technicians. We will be happy to provide you with expert individual assistance.