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Trelleborg Launches Zurcon® Z25 Polyurethane Material for Hydraulic & Sealing Applications

SpecialChem / Jun 29, 2011
Trelleborg Sealing Solutions has developed a proprietary polyurethane compound called Zurcon® Z25. It demonstrates all the excellent characteristics of industry-leading Zurcon® grade Z20 with an elevated operating temperature up to +130° C/+270° F.
Polyurethane Material
Zurcon® Z25 Polyurethane Material

Improved extrusion resistance and compression set

Zurcon® Z25 is recommended for all hydraulic applications where high temperature performance is required due to its improved extrusion resistance and compression set. The material is ideal for use in heavy duty cylinder sealing applications where it can guarantee a long service life. These include industrial and mobile applications with limited cooling systems or cylinders exposed to high-temperature painting processes. "Zurcon® Z25 is a significant advancement in the field of polyurethane sealing technology," says Joe Woods, Fluid Power Segment Manager for Trelleborg Sealing Solutions Americas. "It is able to perform at much higher temperatures than traditional polyurethane materials, allowing for the production of high-performance seals that can be commercially and technically competitive. This translates to better equipment performance for our customers."

Ideal for rotary applications

Self-energizing, Zurcon® Z25 operates at pressures up to 40MPa/5,800psi without a Back-up Ring. It is suitable for use in all hydraulic fluids and has a low compression set. It has an MDI (diphenylmethane diisocyanate) material base and is also suitable for rotary applications such as swivel joints, where heat is generated by high pressures and low speeds.

About Trelleborg Sealing Solutions

Founded in the early 1950s, Trelleborg Sealing Solutions is one of the world's leading developers, manufacturers and suppliers of precision seals and bearings, providing the best in elastomer, thermoplastic, PTFE and composite technologies. Within their portfolio are some of the longest established sealing brands, including Busak+Shamban, Chase Walton, Dowty, Forsheda, GNL, Palmer Chenard, Shamban, Skega and Stefa along with a large number of proprietary products and materials such as Turcon®, Zurcon®, Orkot®, Isolast® , Stepseal® and Wills Rings®.

Source: Trelleborg Sealing Solutions


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