International Recognition: Saflex™ Structural Achieves Qualification Milestone with German and French Approval

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Empowering Architectural Excellence: Saflex™ Structural PVB Interlayer Garners Prestigious Approvals

In a monumental stride, Saflex™, a frontrunner in stiff PVB interlayers for glass applications, has attained esteemed approvals from two renowned national authorities. The German Deutsches Institut für Bautechnik (DIBt) and allgemeine Bauartgenehmigung (aBG), along with the French Centre Scientifique et Technique du Bâtiment, CSTB, (Document Technique d’Application (DTA)) have acknowledged the robustness and design flexibility of Saflex™ Structural PVB interlayers.

Innovative Engineering: Advancements in Structural Design

Saflex™ Structural PVB interlayer, previously recognized in Germany in 2016, has undergone rigorous validation through comprehensive research at esteemed institutions. The acceptance of its design values by DIBt, even after a decade, signifies its unwavering reliability. The updated German approval now presents enhanced modulus values, especially for wind and snow loads, empowering engineers and specifiers with precise design capabilities and unmatched flexibility. Notably, the augmented modulus values for wind loads (from 2 to 10 MPa) offer unparalleled convenience to architects, making it ideal for balustrade designs.

Pioneering Sustainability: Thin Glass Configurations for Greener Solutions

By integrating Saflex™ Structural PVB interlayer properties, architects and engineers can opt for thinner glass configurations without compromising safety. This innovation not only reduces the carbon footprint associated with glazing but also presents substantial cost savings. Furthermore, the reduced glass weight might even enable a decrease in required support construction, enhancing the building’s overall sustainability.

A Vision for Excellence: Transforming Architectural Landscapes

“We are thrilled to receive the aBG approval from the German DIBt and DTA approval from France,” expressed Oliver Osborne, Commercial Director of AMI architecture with Eastman, Saflex’s parent company. “We hope this will empower architects and engineers to create more sustainable and cost-effective designs while maintaining the highest standards of safety and performance.”

Saflex™ Structural PVB interlayer, engineered from plasticized polyvinyl butyral, epitomizes durability. Designed for structural glazing, it offers exceptional strength, uniform load capacity, interlayer stiffness, and robust adhesion to glass. Tailored for larger glass installations, including railings, glass fins, and glass floors, Saflex™ Structural PVB interlayer remains steadfast even in extreme temperatures and under heavy loads.

For detailed information about Saflex™ Structural PVB interlayer and its transformative potential, please visit

About Eastman:

Established in 1920, Eastman stands as a global specialty materials company, dedicated to enhancing everyday life through innovative products. Operating with a commitment to safety and sustainability, Eastman collaborates closely with customers to deliver cutting-edge solutions. With a robust focus on transportation, building and construction, and consumables, Eastman continues to drive innovation and elevate industry standards. Headquartered in Kingsport, Tennessee, USA, Eastman operates globally, employing around 14,500 professionals and serving customers across 100 countries. For more information, visit

Source: Eastman with additional information added by Apazone

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