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Trelleborg Develops Zurcon® Z25 Polyurethane Material for Heavy Duty Cylinder Sealing Applications

Published on 2011-05-09. Author : SpecialChem

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. 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."

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

Trelleborg Sealing Solutions is one of the world's leading developers, manufacturers and suppliers of precision seals. It support its aerospace, industrial and automotive customers through over 20 production facilities and more than 40 marketing companies globally. Within its 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®.

About Trelleborg

Trelleborg is a global industrial group whose leading positions are based on advanced polymer technology and in-depth applications know-how. Trelleborg develops high-performance solutions that seal, damp and protect in demanding industrial environments. The Trelleborg Group had annual sales 2010 of approximately SEK 27 billion (EUR 2.5 billion), with around 20,000 employees in over 40 countries. The Group comprises four business areas: Trelleborg Engineered Systems, Trelleborg Automotive, Trelleborg Sealing Solutions and Trelleborg Wheel Systems. The Trelleborg share has been listed on the Stockholm Stock Exchange since 1964 and is listed on the OMX Nordic List, Large Cap.

Source: Trelleborg


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