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Safe, strong, smart: KRYSTALFLEX® TPU films for architectural glazing

December 11, 2025

In today’s built environment, the use of safety glazing is becoming a necessity. Modern architecture demands transparency and light for practical and aesthetic reasons- but not at the expense of safety.

In high-rise offices, schools, banks, and government buildings, technical glazing systems need to be able to strike the right balance – enabling architects, interior planning consultants and creatives to design boldly, beautifully and responsibly, without compromising protection or performance.

Huntsman’s KRYSTALFLEX® interlayer laminating films are a range of high-performance TPU solutions used to bond layers of glass into seamless, durable, safety glazing units. Compared with traditional film systems, KRYSTALFLEX® TPU grades can offer enhanced elasticity, optical clarity, and impact absorption, while also meeting stringent safety and security standards.

From a practical perspective, the way KRYSTALFLEX® TPU films work is simple. If a window or glass panel, bonded with a KRYSTALFLEX® TPU interlayer, breaks, the film will help stabilize the unit. Holding glass fragments in place, KRYSTALFLEX® TPU films can support the pane’s integrity – reducing the risk of further structural damage or injury to building occupants.

Safety glazing uses in architectural settings are extensive:

  • In high-rise offices, KRYSTALFLEX® TPU films can deliver reliable strength under wind load and thermal stress while preserving architectural transparency
  • In schools and on university campuses, KRYSTALFLEX® TPU films can help reduce the risks presented by accidental impact, vandalism or intruders – enhancing safety for staff and students alike
  • In banks and financial institutions, safety glazing systems incorporating KRYSTALFLEX® TPU films can provide discreet yet robust protection against ballistic, blast, or forced-entry threats; this can help safeguard staff, customers, and high-value assets without compromising the aesthetic or operational design of premises
  • And, in government buildings, KRYSTALFLEX® TPU films can help create blast-resistant façades and secure partitions, combining security with a sense of visual openness.

Key benefits of the technology include:

  • Exceptional impact resistance: Glass remains intact in the event of accidental or intentional breakage - essential for busy public spaces like schools and offices
  • Blast and ballistic protection: In banks, embassies, and government facilities, KRYSTALFLEX® TPU laminates can be tailored to meet international standards for blast mitigation and forced-entry resistance
  • Durability: With an in-built resistance to UV, moisture, and temperature cycling, KRYSTALFLEX® TPU films can offer long-term clarity and adhesion - vital for external façades and high-rise curtain walls.
  • Design flexibility: Compatible with curved or shaped glass, KRYSTALFLEX® TPU films can help architects achieve complex geometries without compromising safety.

There are further benefits too. Recyclable and halogen-free, KRYSTALFLEX® TPU films can support sustainable design goals, while extending the lifecycle of glass to minimize waste and reduce replacement costs.

If you are looking for an interlayer laminating film for an architectural safety glazing application, please get in touch with our team today.

While all the information in this publication is to the best of our knowledge and belief accurate at the date of publication, NOTHING HEREIN IS TO BE CONSTRUCTED AS A WARRANTY, EXPRESS OR OTHERWISE. Huntsman warrants only that its products meet the agreed specifications. Typical properties, where stated, are to be considered as representative of current production and should not be treated as specifications. In all cases, it is the responsibility of the user to determine the applicability of such information and the suitability of any product for its own particular purpose. The sale of products referred to in this publication is subject to the general terms and conditions of sale of HuntsmanInternational LLC or of its affiliated companies.

 

KRYSTALFLEX®is a registered trademark of Huntsman International LLC or an affiliate thereof in one or more, but not all, countries.

© 2025. Huntsman Corporation or an affiliate thereof. All rights reserved.

 

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