Foam sealing, gluing and potting – solutions for the most varied applications.
Founded in 1958, Sonderhoff was acquired in July 2017 by Henkel AG & Co KGaA. As a system supplier for sealing, gluing and potting solutions, Sonderhoff provides a comprehensive product and service portfolio including materials, machines and services.
The company manufactures and sells two-component polyurethane and silicone gasketing and potting materials, along with associated customer-specific automated application solutions from stand-alone systems to fully automated production lines.
Andreas Greiner, your principal contact for south america
Over 300 million seals are produced yearly using Sonderhoff products. This takes place in over 50 countries around the globe. The knowledge we have gathered as the fruits of over more than 50 years’ hard work, a treasure-trove of more than 1,000 recipes and the innovative energy of an enterprise group active on an international level, are the guarantee for our high level of customer orientation, tailor-made products and market conscious solutions – also in your industry!

FIP(F)G – the automated production technology for foam sealing, potting and gluing

With Formed In-Place (Foam) Gasket Technology – FIP(F)G for short – a process is available, which in many cases further optimises the production processes of foam seals, gluing and potting – technologically and economically speaking. Designed according to your requirements, Sonderhoff solutions ensure high process reliability and quality. In this way we create the conditions for perfect seal, glue and potting quality for your parts. Damp, Dust & Co. keep out!
The industry is forever on the search for the most efficient production methods. That is why automation is a central topic, as much for plastic and metal processing as for upstream and downstream processes. For it is the global pressure of costs and competition that demands slick and swift production processes in the main. Here, the Sonderhoff enterprise group is at your service as a technological leader and process specialist for the foam sealing, gluing and potting of your components.
Tailor-made mixing and dispensing systems
Mixing head, material preparation, process control and automation layout, individually configured
Product life cycles which become ever shorter lead to new forms of construction and designs of various industrial components. Thus, dispensing systems and automation solutions that can be flexibly adapted to every requirement are in high demand. Our core competence therefore includes developing, consulting and selling of the appropriate technology for a particular situation, regardless of whether you want to operate a Sonderhoff Engineering system as a stand-alone unit or to integrate it into a complex production line.
Our mixing and dispensing systems – for the application of polyurethane, silicone and other reactive substances – consist essentially of three modules: the mixing head, the material preparation and process control and automation. Therefore, there are numerous different equipment options that allow you to tailor the system layout to your own production process.

The basic system types:
DM 402/403
DM 402/403
The DM 402/403 is a 2- or multi-component high-performance low pressure semi- or fullyautomatic mixing and dosing system for gasket, gluing and potting applications of different types of parts. The DM 402/403 precisely processes liquid, medium to high viscose media such as polyurethane, silicones, epoxy resins and other polymer reaction substances.
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SMART-M und L
SMART-M und L
The SMART is a 2-component dispensing cell for semi- or fully-automatic use for gasketing, gluing and potting the widest range of parts. The system enables high-precision processing of liquid, medium and high viscosity polymers, such as polyurethane, silicone, epoxy resin or other polymer reactive substances. The dispensing cell is available in two sizes: SMART-M und SMART-L.
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Dispensing cell 3E
Dispensing cell 3E
The new dispensing cell 3E – Economic, Efficient, Ecological – is a 2-component low-pressure mixing and dispensing system for use in partly automated production for foam sealing, gluing and potting. The dispensing cell 3E is designed as an entry-level model for standard uses and is economical even in small batch sizes. An immediate production start is possible. Set-up, plug in, produce!
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Our material systems – here, chemistry’s in charge!
Our own research and development departments work daily to discover new and compositionally improved material systems. The choice of raw materials is an important factor here. Where necessary and possible we replace existing raw materials with sustainable and environmentally friendly ones. Individual customer specifications are converted into tailor-made products. Clients can choose the best solution from more than 1000 recipes for sealing, gluing and potting their parts. If the customer desires it we will also create a special formula.
We create 2-component material systems of polyurethane and silicone for soft foam seals and 1-component PVC plastisols for the production of flexible, closed-cell foam seals. We are also producers of polyurethane and silicone potting systems such as polyurethane-based glues for a multiplicity of applications. With our foam sealing, gluing and potting products your parts get the best possible protection from damp, dust, temperature, chemicals, oils, fats or other media. At the same time they help to dampen sound and vibrations.

The basic types of material:
FERMAPOR K31
FERMAPOR K31
Parts from numerous different fields are very often sealed using the flexible polyurethane foam sealant FERMAPOR K31.
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FERMADUR
FERMADUR
FERMADUR is the brand name for our polyurethane-based 2-component cast resin systems for the production of hard to gel-like potting products.
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FERMASIL
FERMASIL
FERMASIL is our brand name for 2-component silicone systems for the production of closed-cell silicone foam seals and of flexible silicone elastomers.
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FERMAPOR DD980
FERMAPOR DD980
FERMAPOR DD980 is the brand name for 1-component PVC plastisols for the production of heat-curing flexible foam seals for the lids of metal packaging.
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FERMAGLUE
FERMAGLUE
With the 2-component polyurethane glue system FERMAGLUE optimal gluing results in varying hardness grades for a plethora of substrate combinations can be achieved.
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The Sonderhoff Group
The globally active Sonderhoff Group of Companies, part of the Henkel AG & Co. KGaA, specialises in customised sealing, gluing and potting solutions with FIP(F)G technology.
We are manufacturers of foam sealing, adhesive and potting systems on the basis of polyurethane, silicon or PVC as well as mixing and dosing systems for the automated application of materials to industrial components.