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Welding Rods
Plastic Welding Rods made of PE, PP, PVC, PVDF
Welding Rods – PE, PP, PVC, PVDF
Plastic Welding Rods made of PE, PP, PVC, PVDF
To match our extensive range of sheet materials, we offer welding wires made of PE, PP, PVC, PVDF in our brand materials Polystone® (PE & PP) and Trovidur® (PVC). They are optimally matched to the sheet material to be welded and in that way permit a permanently secure connection. They can be easily welded using any common thermal welding process.
Permanently secure connection
- The use of our plastic welding rods in conjunction with our sheet material, U sections and hollow sections results in an optimum processability and long-term strength of the welded components.
- The risk of complaints and possible consequential damage because of faulty material is minimised.
- Our welding rods are made of the same moulding compound as our sheet material made of these materials. This means that they have the same properties, for instance, continuous operating temperature, chemical resistance or density.
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Plastic welding wire: Available in PE, PP, PVC and PVDF to match our sheet material
Plastic Welding Rods
We offer a comprehensive range of welding rod products in all typical cross-sections in accordance with DVS 2211 Cross-sections.
Forms of delivery:
- Loose roll (5kg and 10kg)
- Reel (3kg and 10kg)
- Uncut lengths in lengths of 1,000mm or 2,000mm
Special products and other geometries are available on request.
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For different requirements: Our plastic welding wire is available in all common cross-sections in accordance with DVS 2211
Our offer at a glance
Welding Wire products made of thermoplastics. Overview of product forms, dimensions and availability.
Welding Rod Materials
Polystone® G, Polystone® P, Polystone® PPs, Polystone® PVDF, Trovidur®, ...
The welded seam plays a crucial role for the operational safety and service life of tanks. In order to ensure weldability, regular tests are carried out on welded joints in our development centre. This allows us to ensure the highest quality of existing materials while simultaneously incorporating its expertise into the development of new materials. But how can the suitability of materials for welding actually be tested and what tests are used to check the quality of welded joints?
The requirements for the heating element butt welding of PE80 and PE100 materials are described in DVS 2207-1 (08.15) in accordance with DIN 8074 and DIN 8075. Accordingly, "suitability within the melting mass flow rate MFF 190/5 of 0.3 to 1.7g/10min or 0.2 to 0.7g/10min can be taken as given.“
DVS 2207-11 (02.17) describes the requirements for the heating element butt welding of PP-H, PP-B and PP-R materials in accordance with DIN 8077 and DIN 8078. Accordingly, "suitability within the melting mass flow rate MFF 190/5 of 0.4 to 1.0g/10min can be taken as given. This range equals approximately the melting mass flow rate MFF 230/2.16 of 0.2 to 0.6g/10min.“
DVS 2207-15 (12.05) describes the requirements for the heating element butt welding of PVDF materials. Accordingly, "a suitability within the melting mass flow rate MFF 230/2.16 of 1.0 to 25g/10min can be taken as given for density 1.7 to 1.8g/cm³.“
Accordingly, "a suitability within the melting mass flow rate MFF 230/2.16 of 1.0 to 25g/10min can be taken as given for density 1.7 to 1.8g/cm³.“
If the materials to be joined comply with these requirements, it can be taken as given that both components can be welded together.
Furthermore, DVS 2207-1 states: "In the event of deviating melting mass flow rates, proof of suitability has to be provided based on a creep-behaviour in tension test in accordance with DVS 2203-4."
Proof of suitability is therefore not required if the melting mass flow rates are in the ranges specified above. The melting mass flow rates for the thermoplastic plastics produced for chemical container and plant engineering are listed in the technical data sheets and factory certificates.
Small notches always occur in the area of weld seams, which can result in cracks in the container material under unfavourable conditions. To minimise the risk of container damage, a small amount of notch-sensitive filler wire should be used. We therefore recommend the use of welding rods made of PP-B for welding sheet material made of PP-H. For many years, we have been offering wleding wire made of Polystone® P copolymer grey as standard. Regardless thereof, we continue to produce welding rods made of Polystone® P Homopolymer grey.
Areas of application of our plastic welding wires
Our plastic welding wires are used in combination with sheets made of our materials wherever the sheet and filler wire have to be joined to create a particularly stable and reliable connection in the design – for example, tanks and systems for chemical media, in drinking water and waste water treatment, and in the construction of swimming pools.
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