Applications for Our Acoustic Materials
The Right Solution for Different Noise and Vibration Problems
Unwanted noise can arise in several different ways: from vibrating sheet-metal panels and components, through the transmission of structure-borne sound or from reflected airborne sound inside a machine or enclosure.
OTO Akustiktechnik offers a range of materials and processing options for these different requirements. Our primary product is OTO-Akustikblech, which provides effective structure-borne sound damping directly within the component.
As the German sales partner of Antiphon AB, we also supply antiphon® MPM™ and other acoustic materials from our Swedish partner. Our product range is complemented by damping layers, bitumen-based damping sheets, self-adhesive damping pads and sound-absorbing materials.
The following examples illustrate typical fields of application. As every structure and installation has different requirements, we will be pleased to assist you in selecting the most suitable material.
Discuss your acoustic application with us
Applications for OTO-Akustikblech and antiphon® MPM™
OTO-Akustikblech and antiphon® MPM™ are sandwich sheets designed for structure-borne sound damping. They are particularly suitable for constructions in which thin sheet-metal components are susceptible to vibration, resonance and panel drumming.
Typical applications include:
- machine guards, covers and protective panels
- machine enclosures and acoustic cabins
- chutes, hoppers and conveying systems
- vibratory conveyors and material-handling equipment
- ventilation ducts, channels and fans
- compressors, generators and power units
- transformers and electrical enclosures
- machine tools, presses and punching machines
- construction and agricultural machinery
- crane and machine cabins
- commercial vehicles, buses and special-purpose vehicles
- rail vehicles and locomotives
- boats and ships
- refrigeration, air-conditioning and ventilation units
- domestic and industrial appliances
- other sheet-metal structures susceptible to vibration
The sandwich sheets can be used both in new designs and to improve the acoustic performance of existing components. Different materials, thicknesses and configurations are available depending on the application.
Further information about our sound-damping sandwich sheets
Applications for the LDL Damping Layer
LDL is installed between two rigid sheets or component layers. The damping layer is particularly suitable for thicker plate materials and structures made from metal, wood or other suitable materials.
Typical applications include:
- loading ramps and loading platforms
- floor panels and platforms
- stairs and walk-on structures
- machine guards and covers
- trolleys and transport containers
- belt conveyors and conveying systems
- woodworking machinery such as saws, milling machines and planers
- partitions, floors and ceilings in interior construction
- floors in buses and rail vehicles
- enclosures for high-quality loudspeaker systems
By bonding the component layers together, a sandwich structure is created that reduces the transmission of structure-borne sound and the vibration decay of the construction.
Applications for the PDP Damping Layer
PDP is suitable as a damping interlayer in multilayer structures. It can, for example, be laminated into glass-fibre-reinforced plastic structures or bonded and pressed between suitable wood-based panels.
Typical applications include:
- GRP structures and panels
- boatbuilding and shipbuilding
- tanks and containers made from composite materials
- multilayer wood-based constructions
- floors and panel structures
- furniture, shelving and high-end audio constructions
The multilayer structure can reduce the transmission of structure-borne sound and suppress unwanted component vibrations.
Applications for Bitumen-Based Damping Sheets
Bitumen-based damping sheets are applied to vibration-prone components to increase their surface mass and reduce panel drumming in thin-walled structures.
Typical applications include:
- machine and equipment housings
- sheet-metal panels and covers
- washing machines and dishwashers
- refrigeration and domestic appliances
- ventilation and air-conditioning components
- automotive and commercial vehicle applications
- room dividers and partition walls
- steelwork and container construction
- shafts, ducts and technical housings
On request, we also supply bitumen-based damping sheets as custom-cut and die-cut parts.
Reliable adhesion requires a clean, dry and grease-free surface as well as uniform, full-surface pressure during application.
Further information about our bitumen-based damping sheets
Applications for antiphon® LD 13 and LD 17 Damping Pads
Antiphon® LD 13 and LD 17 are self-adhesive damping materials for vibration-prone components made from sheet metal, plastic or suitable wood-based materials.
Typical applications include:
- machine guards and covers
- machine tools and production machinery
- conveying systems
- ventilation and air-conditioning equipment
- lift cabins
- garage and industrial doors
- facade elements and window sills
- bathtubs, shower trays and sinks
- washing machines and dishwashers
- equipment housings and technical panels
- steel furniture and containers
- other thin-walled structures
Further information about antiphon® LD 13 and LD 17
Applications for Sound-Absorbing Materials
Whereas damping materials reduce component vibration, sound absorbers take up part of the airborne sound inside machines, housings and enclosures.
Sound absorbers, acoustic foams and other absorbing materials are used in applications including:
- mechanical and plant engineering
- acoustic enclosures and machine housings
- noise-control cabins
- engine and protective covers
- compressors and power units
- production machinery
- air-conditioning and ventilation systems
- silencers and absorber baffles
- commercial and rail vehicles
- agricultural and construction machinery
- medical and technical equipment
- domestic and electrical appliances
Polyester wadding is also used for the internal acoustic damping of loudspeaker enclosures and in furniture and textile applications.
Further information about our sound-absorbing materials
Which Material Is Suitable for Your Application?
The right choice depends on factors such as the component material, material thickness, construction, vibration characteristics and environmental conditions. Temperature, moisture, fire-safety requirements and the intended further processing may also be relevant.
Send us a description of your application together with a drawing or photograph where possible. Information about the dimensions, material thickness and required quantity will also help us provide an initial assessment.