PURASYS vibrafoam SD is used for highly efficient vibration isolation and for protection against vibration, for example:-

  • for machine bearings,
  • for protecting buildings against vibration alongside railway lines,
  • for insulating building sections (e.g. air conditioning units, fitness centre floors, bowling alleys, hospital operating theatres, side isolation of a building),
  • for high-quality footfall sound isolation

The new features:

  • 13 types – they provide complete coverage over the static load range of 0.01 – 1.9 N/mm² and their data sheets
  • The colours to avoid mix-ups

The names:

  • SD (stands for spring / damper, these are the main properties of this PUR material)
  • The number stands for the relevant static load limit

Without appropriate measures, buildings, the people who live in them, machines and machine foundations or sensitive components are defenceless against vibrations from the immediate surroundings. Unwanted or impermissibly strong vibrations can also occur in buildings or industrial plant. Secondary airborne noise also increases, since structural elements such as ceilings or walls are also stimulated.

PURASYS offers effective protection against vibration and shock. PURASYS vibrafoam. This high-tech PUR elastomer can be placed as an isolating, area mat between the structural components, as cut sections matching the relative structural component geometry, and also as a tailor-made moulded part. We can offer you a wide program of 13 standard materials and the facilities for the production of special types in various colours and thicknesses according to your requirements.

Elastic bearings of buildings, whose foundations come into contact with groundwater, are particularly problematic and can only be realized with special elastomers. KRAIBURG PuraSys now offers an alternative to the few available products on the market from other manufacturers. PURASYS vibradyn was specifically developed for such high demands.

PURASYS vibradyn, the closed-cell PUR product for highly effective vibration isolation, can be used in application areas such as building isolation, including in groundwater – in a static load range from 0.075 – 1.5 N/mm². PURASYS vibradyn has nearly no damping effect, and functions like a technical spring. It is ideal for use in situations where vibration isolation is subject to stringent dynamic specifications.

Vibrafoam Datasheet

Facilities for receptor and source isolation

In vibration technology, a difference is made between receptor and source isolation. As a basic principle measures may be carried out on the interference source (rail operations, industrial plant), for example through the use of mass-spring systems, ballast mats or using isolating machine foundations. Isolating of vibrations can also be achieved at the receptor (buildings next to the railway, precision machines in industrial operations), for example through the use of building suspension or specific isolation of certain areas or levels in the building, and through machine foundations. Source isolation is generally much more efficient but cannot always be carried out retrospectively. We can therefore offer you effective and economic solutions for vibration isolation at the receptor.

Benefits of vibration isolation

For Buildings: reliable vibration protection of the building or building section from external interference sources and their vibrations (also footfall sound isolation), increase of building market value, improve quality of life and work and future-proof solutions for the expected increasing demands on comfort

For machines: isolation against disruptive machine vibrations, higher precision performance, less wear, longer machine service life, better working conditions

For machines and industrial components: the benefits can be extensive: for example, units or components can run more quietly, can produce with less wear and, at the same time, can become more long-lasting and resistant against chemicals and oils. PURASYS vibrafoam can be useful as a high quality seal or as a structural component tolerance compensator with extremely high resilience.