Halogen-free OBO products
Halogen-free products from OBO protect people, the environment and property. These products are made from high-quality PC/ABS (polycarbonate/acrylonitrile butadiene styrene). This material is one of the self-extinguishing plastics.
Dangerous smoke gases from plastics
Plastics have good insulating properties and can be processed easily. However, during a fire, they can create aggressive gases. A danger to people and property. Flame-retardant agents, based on halogen compounds such as fluorine, iodine, chlorine and bromine, are used to keep the flammability of PVC low. If there is a fire, this safety aspect becomes a dangerous disadvantage, as toxic smoke gases, such as carbon dioxide and carbon monoxide, are created. These usually endanger people far more quickly than flames and heat. For example, in the fire catastrophe at Düsseldorf Airport in 1996 and in the Tauern Tunnel in 1999, considerable quantities of burned plastics contributed to the formation of smoke and hazardous substances. A highly toxic mixture, which can be lethal after just a few breaths.
Corrosive fire gases
PVC releases corrosive hydrogen chloride gas, which, in conjunction with water, forms hydrochloric acid. Hydrochloric acid has a highly caustic effect on the respiratory channels. As an electrically conductive substance, it can cause short circuits and destroy devices. Further corrosive combustion gas products are cyanide and ammonia. In addition, extremely toxic dioxins can damage the building to such an extent that the reconstruction of parts of the building becomes very expensive or even impossible.
The German Association of Property Insurers also prescribes halogen-free materials for building areas in which many people meet. The term “halogen-free” excludes any organic chlorine or bromine compounds.

Advantages of the halogen-free OBO products at a glance
- If there is a fire, halogen-free materials reduce the amount of toxic smoke gases. They do not create any corrosive substances.
- Halogen-free OBO products are a safe choice, particularly in public areas.
- In many public buildings, insurance companies require halogen-free materials to protect people and property.
Overview of halogen-free OBO products:
Numerous products from the OBO portfolio are halogen-free – from cable routing and device installation ducts and trunking, to anchors, flush-mounted and cavity wall boxes, junction boxes and clamp clips, all the way to surge protective devices and combination arresters.

Cable routing and device installation systems
For safe cable routing, OBO offers halogen-free wall and ceiling ducts and trunking, wiring trunking for switching cabinet construction as well as device installation ducts and trunking.

Plastic anchor
OBO plastic anchors are all halogen-free. This includes the Delta-Push®, our tour de force amongst anchors, for example.

Flush-mounted and cavity wall boxes
The OBO flush-mounted and cavity wall boxes not only offer time savings and make work easier on any construction site, they are also produced 100% halogen-free.

Clamp clips
More hold. More stability. More safety. The OBO clamp clips. Our product range also includes versions with a halogen-free plastic pressure trough.

Junction boxes
OBO offers the right junction boxes for every requirement. What do they all have in common? They’re manufactured from halogen-free plastic.

OBO Quick clips
The OBO Quick series includes halogen-free cable and pipe clips: the standard Quick clips, Multi-Quick clips and proQuick clips.

GRIP grouped supports, plastic
The plastic version of the GRIP grouped support is also halogen-free. It is suitable for general applications for wall and ceiling mounting.

Connection and fastening material
Numerous small problem-solvers from the OBO range of connection and fastening systems are halogen-free, as well.

Surge arrester
OBO arrester series reliably prevent damage from surge voltages. Halogen-free versions provide additional safety in case of fire.

Combination arresters
In addition to OBO surge protective devices, the combination arresters from the OBO portfolio, such as the MCF NAR or MCF Compact, are produced without halogens.