Is there a CE mark for vacuum glass?

There is currently no harmonized European standard that makes vacuum glass mandatorily covered by CE marking. View the full explanation and statement from TÜV Rheinland here . Therefore, BENG glass does not (yet) have a CE mark. But that doesn't mean you have to doubt its quality. BENG glass has, however, been extensively tested and certified.

Since its market introduction in 2016 (through Landvac), BENGglas has proven itself to be a reliable and innovative product, with no fewer than 429 patents!
Moreover, BENGglas has important quality statements and reports, such as:

  • Independent and European insulation value reports by ift Rosenheim and TÜV Rheinland
  • Toughness reports for safety and sturdiness
  • A BCRG declaration, an independent seal of approval for quality and safety
  • CIC Green Product Certification for environmental compatibility
  • Noise value reports for optimum sound insulation from ift Rosenheim
  • Rohs report stating that BENG glass is free of heavy metals

All these certifications ensure that with BENG glass you are choosing a product that meets high quality standards, even though there is no official CE mark.

How reliable is the U-value of BENG glass?

At BENGglas, we take quality seriously. That's why all our U-values are confirmed by renowned European test institutes such as ift Rosenheim and TÜV Rheinland. The most recent reports, dating back to 2025, are transparently available in our knowledge base.
Important to know: not all vacuum glass suppliers can provide such solid, European test reports. With BENG glass, you can be sure that you are choosing proven insulation performance.

Does BENG glass have a BCRG statement?

Yes, all types of BENG glass have an official BCRG declaration. This certification stands for independent quality and safety control and is an important proof that BENG glass meets stringent requirements for durability, safety and performance.

The BCRG statement gives you extra confidence in the reliability of BENG glass, in addition to other certificates and reports such as U-value reports, toughness reports, sound insulation reports.

Want to know more about the BCRG statement and other certificates of BENG glass? Then consult our knowledge base for comprehensive information!

Why are the test reports of BENG glass based on EN 674 and not EN 673?

At BENGglas®, transparency and reliability are paramount. Therefore, all our vacuum glass is tested according to the appropriate European standard: EN674:2011-06 or ISO 19916-1:2018-10.

The widely used standard EN673 expressly excludes vacuum glass. This method does not take into account the unique properties of vacuum glass, such as the vacuum space, micropillars and specific edge sealing. This can lead to U-values that appear too positive.

Testing according to EN674 gives us a realistic and accurate picture of actual thermal performance. No assumptions, no overestimates - just real results.

With BENGglas®, you therefore know exactly where you stand: high-quality, tested solutions that meet the highest standards.

Want to know more? Then discover the differences between EN 673 and EN 674 in our blog!