CLIIA WELLNESS · FAR-INFRARED EDUCATION
Why 9μm Far-Infrared — The 0.89 Emissivity Standard
Far-infrared functional fabric with 0.89 measured emissivity (GB/T 7287-2008) vs the ≥0.80 industry threshold. Here is what the numbers mean.
THE STANDARD
Two numbers decide whether "far-infrared" is a fact or a sticker.
What counts as far-infrared functional fabric?
Industry bodies set the bar at emissivity ≥ 0.80 (GB/T 7287-2008 test method). Below that, it's marketing.
Our fabric measures 0.89 — verified by test report, not claim.
Our fabric measures 0.89 — verified by test report, not claim. The peak emission sits at 9μm, the wavelength band associated with human-body thermal comfort.
Ask any supplier for two numbers.
Ask any supplier for two numbers: emissivity value and test standard number. If they can't produce both, walk away. We publish ours: 0.89, GB/T 7287-2008.
CLIIA WELLNESS
Source far-infrared programmes with published numbers.
Heated wellness and far-infrared fabric programmes, quoted with the same numbers-first discipline — test reports, thresholds and lead times in writing.