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PUR in-situ foam
This mainly closed-cell polyurethane (PUR) foam is ideal for the seamless insulation of irregularly shaped surfaces.
Its excellent adhesive properties enable the sheet metal casing to protect the surface against weather and impacts and to act as a vapour retarder at the same time. Water-propelled polyurethane foam has no ozone-depletion potential (ODP = 0). Insulation with polyurethane foam conserves the Earth's atmosphere and so helps to protect the climate.
Special heated high-pressure hoses carry the two components of the polyurethane foam to a spray pistol. They combine in the mixing chamber of the pistol and produce the pressure necessary to spray the polyurethane foam between the component and the sheet metal casing.
Applications for polyurethane foam
Polyurethane foam is highly versatile. It is used as heat and cold insulation in commercial and residential applications, as well as for cold stores and refrigeration plants. This flexible insulation system is the ideal solution for structurally demanding areas or large dimensions. This sophisticated technology is of top quality and can be applied right on site in a short space of time.
Procedure
Polyurethane foam can be applied on site in a manual casting method or sprayed using mobile machines.
PUR cast foam
is poured into the cavities of sealed sheet metal constructions. In combination with precisely worked sheet metal this creates a high-quality insulation.
PUR sprayed foam
consists of two components which are carried to a spray pistol by heated high-pressure hoses. They combine in the mixing chamber of the pistol and produce the pressure necessary to spray the polyurethane foam between the component and the sheet metal casing. Depending on humidity and temperature the foam is cured within 20 to 30 seconds. This means that subsequent work can be carried out straight away without waiting. With hoses of up to 90 metres in length our spraying machines are highly flexible. This sophisticated technology can be applied in top quality, right on site, in a short space of time.
Polyurethane foam can be applied on site in a manual casting method or sprayed using mobile machines. With hose lengths of up to 90 metres our spraying machines can go almost anywhere.
The advantages of polyurethane foam at a glance
- High thermal insulation capacity due to low heat conductivity
- Outstanding cold insulation due to 85% closed-cell structure
- High pressure resistance (insulated construction elements can be walked on)
- Lightweight material with a low bulk density of 45 to 55 kg / m3
- Versatile product with a temperature range of -180°C to +100°C
- Good adhesion to almost all surfaces makes expensive primers unnecessary
- No heat bridges through which costly energy can escape
- Its high form stability make the insulation mechanically stable and long-lived
- Cured polyurethane is non-toxic and odourless
- The material is fully recyclable
- Building material class B2 under DIN 4102, Part 1
If you would like to know whether you can use the advantages of polyurethane foam in your plant too, please get in touch with us. We will be happy to advise you.
Your direct contact to KAEFER
Contact
Location Hamburg
KAEFER Industrie GmbH
Bredowstr. 16
22113 Hamburg
Germany
Wolfgang Berger
Phone +49 40 73347 130
Mobile +49 172 9277184
E-MAIL
Back office:
Phone +49 40 73347 112
