getzner - sylomer vibration isolation

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Getzner Werkstoffe was founded in 1969 as a subsidiary of the long-established Getzner, Mutter & Cie. and has its headquarters are in Buers, Austria, Europe.

Alongside three further locations in Germany, Getzner also has offices in Australia, China, France, India, Japan and the USA. Its international network is complemented by sales partners in 40 additional countries.

Today, approximately 500 employees worldwide are working on solutions for a better future. In 2022, Getzner Werkstoffe achieved a turnover of 150 million euros.

❯❯ OUR PRODUCTS

Sylodamp® is a polyurethane material that offers a particularly high level of damping and high energy absorption properties. It was specially developed to efficiently absorb impact loads and offers reliable performance over decades of use.

Sylomer® is an elastic polyurethane material that effectively reduces vibration and structure-borne noise. Its resilience and damping properties make it a very versatile material, with the flame-retardant Sylomer® FR variant having been specially developed for safety-critical applications.

Sylodyn® represents the next stage in the evolution of Sylomer® and boasts a higher degree of dynamic stiffness and a closed cellular structure. It is ideally suited to precision vibration isolation in combination with high loads - such as on high-speed railway lines or with heavy machinery. The Sylodyn® HRB series is also suitable for extreme point loads.

THE LEADING MATERIAL FOR VIBRATION ISOLATION

Sylomer® is one of the leading materials in the vibration isolation market. In the case of railway lines, vibrations and noise are reduced, while maintenance costs are also significantly lowered. Sylomer® ensures that rooms affected by vibration are pleasant to use.

Ten different types of Sylomer® are available as standard - as well as our special type Sylomer® Fire-retardant. The properties of the material can also be modified in order to meet specific requirements.

Sylomer® IS PROOF TO LAST 100 YEARS

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Product properties

✓ Combination of spring and damping characteristics

✓ Elastic, versatile polyurethane material

✓ Mixed-cell pore structure

Advantages

✓ High elasticity, long service life

✓ Static range of use of 0.011 N/mm2 to 1.2 N/mm2

✓ Load peaks up to 6.0 N/mm2

✓ Very low amplitude dependence

✓ Proven long-term behaviour

✓ High fatigue strength

✓ Finely graded range (10 standard types) for optimum system design

✓ Ability to provide customer-specific modifications

Material Properties and Vibration Isolation

General information on Sylomer®

Sylomer® is a special PU elastomer manufactured by Getzner, which features a celled, compact form and is used in a wide range of applications in the construction and mechanical engineering industries. In most cases, Sylomer® is used as a compression-loaded elastic support element. The characteristics of the elastic support can be adjusted to the structure, construction method and load requirements by selecting the specific type of Sylomer®, the load-bearing area and the thickness.

Sylomer® materials are available as a continuous roll and are particularly well suited as flat, elastic layers. Above and beyond this, engineered moulded parts made of Sylomer® are also available.

For specific applications, special types can be manufactured with precisely defined stiffness. The material’s fine celled structure provides the necessary deformation volume under static and dynamic loads. As a result, elastic bearings with full-surface load transmission are possible. This offers major engineering and economic advantages, especially in the construction industry.

Quasi-static load deflection curve

Fig. 2 shows the typical pattern of the load deflection curve for Sylomer® under compression load.

In the lower load ranges, there is a linear relationship between tension and deformation. For elastic bearings, the permanent static load should fall in this range. The load range is specified in the individual data sheets.

After the linear load range, the load deflection curve moves on a degressive path; the material reacts to additional static and dynamic loads in a particularly “soft” manner, thus allowing for highly effective vibration isolation. In the data sheets, the area of the deflection
curve in which a high degree of efficiency is achieved with a relatively small degree of spring deflection, marked with the lighter shading in the diagram.

❯❯ APPLICATIONS

CONSTRUCTION

A higher quality of life in the construction sector: Nowadays, more than half of us live in towns and cities...

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INDUSTRY

Less noise and wear in industry: We have a wide range of products for industrial applications...

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