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For the windows of the future: New Ultradur® grade improves the properties of PVC-window profiles
Engineering plastic with optimized melt temperature / Excellent recycling solution for composites of PVC and Ultradur®(PresseBox) ( Ludwigshafen, )
Improved material properties – higher efficiency
The BASF Ultradur® plastic is put to use in numerous industrial applications for high-grade and heavy-duty technical components. This special development of an Ultradur® blend reinforced with 55 percent glass fibers benefits profile manufacturers and window manufacturers in numerous ways.
And the good news for all profilers: the melt temperature has been lowered again significantly, thus further simplifying the co-extrusion process with polymers such as PVC, as the melting point is very close to the processing temperature of PVC. “Our new, improved Ultradur grade offers profile manufacturers and window producers clear-cut advantages in production. Our product and the manufacturing process are amenable to trouble-free integration into existing production lines,” says Dr. Kay Brockmüller, Project Manager Construction at BASF.
Ultradur® – reliable partner with high-level properties
The newly developed material also exhibits the existing core properties. Ultradur® possesses high stiffness and binds with PVC. Suitably positioned, it can replace a conventional steel stiffener in the profile. The co-extruded profile is weldable and can be machined on existing equipment. For window makers, this reduces the production effort, as it eliminates all steel-related activities. In addition, handling is easier during production and installation in the building, because the profile reinforced with Ultradur® is much lighter. A further positive feature for the customer, in addition to improved insulation performance, is that the profile exhibits high dimensional stability when installed and shows virtually no post-shrinkage after installation.
At the international “FENSTERBAU FRONTALE” trade show from March 18 to 21, 2020, in Nuremberg, the systems provider profine group will present a profile (proStratoTec) suitable for passive houses using this technology, which is also suitable for colored profiles and window elements.
Fit for the future – recycling and new applications
There are fixed recycling rates for PVC window profiles in many countries. Hybrid profiles of PVC and BASF’s new Ultradur® can be separated and recovered at standard recycling facilities. The window manufacturer profine is currently modifying its recycling facilities so that the two materials can be separated and concentrated and used in new profiles. In the future production waste and scrap from partnering window manufacturers can be reprocessed.
The multitalent – further fields of application
New Ultradur® with its proven property profile is also attractive for other industries. Wherever extruded profiles need to be reinforced and a light, extremely rigid or highinsulation product is required, BASF’s technical plastic is the partner of choice. This is particularly important wherever elevated temperatures are involved.
Fast track to the ready-to-use die
Greiner Extrusion Group in Austria, world-wide renowned supplier of extrusion lines, dies and complete systems for profile extrusion, already proved competence in manufacturing dies that process this improved product with the desired high fiber orientation, running reliability and extrusion speed.
About BASF’s Performance Materials division
BASF’s Performance Materials division encompasses the entire materials’ know-how of BASF regarding innovative, customized plastics under one roof. Globally active in four major industry sectors – transportation, construction, industrial applications and consumer goods – the division has a strong portfolio of products and services combined with a deep understanding of applicationoriented system solutions. Key drivers of profitability and growth are our close collaboration with customers and a clear focus on solutions. Strong capabilities in R&D provide the basis to develop innovative products and applications. In 2018, the Performance Materials division achieved global sales of €7.65 bn. More information online: www.plastics.basf.com.
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