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Home » News » Arlanxeo Launches Unique Keltan 5-digit EPDM Grade

Arlanxeo, a global leader in performance elastomers, has launched a semi-crystalline EPDM grade with a very high Mooney viscosity for demanding rubber applications, particularly in the Automotive industry.

Keltan 13561C DE delivers excellent mixing and fast extrusion behavior with high elasticity and collapse resistance in high filled compounds, supporting the reduction of overall compound volume costs. When replacing existing EPDM polymers, Keltan 13561C DE can significantly improve the mechanical properties in EPDM compounds with the same compound loading.

This is the first Keltan grade with five digits, indicating its high Mooney viscosity. Keltan 13561C DE has a high product viscosity of 130 Mooney Unit (MU) – higher than any other current Keltan EPDM grade. Although Arlanxeo does offer products with a higher polymer Mooney, these are created by adding much more extender oil to the product. 

Customers who have tested the new grade for e.g. automotive sealing applications, reported that they were able to choose between benefiting from improved physical properties or from being able to add more fillers and oil to the rubber mixture to reduce overall compound costs.

The new Keltan grade was launched in China and South America and product samples from commercial plant production are now available world-wide.

This new Keltan grade is manufactured at Arlanxeo’s EPDM plant in Changhzou, China, using Keltan ACE polymerization technology. This was first implemented in 2013 by Arlanxeo in Geleen, the Netherlands. With this post-metallocene advanced catalyst technology, Arlanxeo is able to produce in a sustainable fashion the full EPDM portfolio, including this very high Mooney grade, with ultra-low catalyst residues and chlorine levels.

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