关于防爆膜的太阳能总阻隔率与红外线阻隔率 （TSER & IRR）
TSER is an industry recognized performance value, infrared rejection is not. TSER is the percentage of all energy from the sun reflected
away from a window, as well as the percentage absorbed by the window and released back outdoors.太阳能总阻隔率是薄膜行业认可
There are many problems with so-called "infrared rejection", such as the fact companies selectively choose which parts of the spectrum
they report and IRR does not include absorption- an important contributor to heat gain.For instance, a certain large company reports this for only a small part of the spectrum which is less than 10% of the actual infrared wavelengths. Some other companies report this at only one wavelength! So they call it "infrared rejection", but really it is only a small part of the total infrared and is not representative of the actual infrared energy. Also, manufacturers of some products that have very high absorption report IRR because it does not count absorption against it. The TSER is the "true" heat rejecting value for a film, because it takes the entire solar spectrum into account (infrared is only 49% of the solar energy anyway), and also includes the effects of absorption. The National Fenestration Rating Council is the the only third party window rating system. It is recognized by Energy Star, utility companies, and U.S. and Canadian governments. They only recognize SHGC/TSER. They do not recognize IRR.
In short, IRR is a misleading marketing gimmick.
注：太阳能得热系数 SHGZ 数值越小越好
太阳能总阻隔率 TSER 数值越大越