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Polystone® P flex


Become flexible with Polystone© P flex grey

With Polystone© P flex grey we now offer a material which is flexible, weldable and provides a good resistance to many chemicals. The material can also be welded to Polystone© P solid sheets. This gives a whole new range of options when it comes to chemical tank and plant construction.


grey, similar RAL 7032


  • Chemical resistance
  • Tough and abrasion resistant
  • Weldable with Polystone® P
  • High Elasticity

Application Examples

Polystone® P flex as a connection between galvanic tanks

The flexibility of Polystone P flex can also be of advantage in terms of occupational safety when used as a squeeze protection for lids of galvanic tanks.

Polystone® P flex the flexible joint for ventilation systems

As flexible joint for ventilation systems Polystone P flex compensates vibrations of the ventilation system.

Polystone® P flex as squeeze protection for lids of tanks

Accident prevention - crush protection on the hinged cover of a galvanic plant made of Polytone© P flex grey. 

With the new formulation we have managed to improve the weldability of Polystone© P flex to Polystone© P solid sheets. We look forward to customers ideas for new applications of Polystone© P flex

Thomas Schüer - Röchling Industrial - Industry Manager Chemical Processes -

Flexible connection

Polystone© P flex was developed as a flexible connection between galvanic tanks. The material can be welded to tanks made from Polystone P solid sheets. The flexible material then compensates any movement withing the galvanic during operation

No stock item (MOQ)
365633Polystone® P flex grey extruded sheet sheet grey, similar RAL 70322.000 x 1.000 x 4 mm 2,000 mm 1,000 mm 4 mm

Technical Specifications Polystone® P flex

Test MethodUnitGuideline Value
DensityDIN EN ISO 1183-1g / cm30,88
Water absorptionDIN EN ISO 62%<0,05
Melt Flow Rate (MFR 190/5)DIN EN ISO 1133g / 10 min0,6
Test MethodUnitGuideline Value
Elongation at breakDIN EN ISO 527%>800
Tensile modulus of elasticityDIN EN ISO 527MPa200
Shore hardnessDIN EN ISO 868scale D35
Test MethodUnitGuideline Value
Melting temperatureISO 11357-3°C144


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