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How to choose a good car window tint? Raytech, V-kool, Llumar,3M, Huper Optik
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<blockquote data-quote="starmax" data-source="post: 717634" data-attributes="member: 43555"><p><strong>Education Material of IWFA</strong></p><p></p><p><span style="color: rgb(51,51,51)">1. Infra-Red (IR) rejection not accurate to describe solar heat control of window film product.</span></p><p><span style="color: rgb(51,51,51)">2. IR only contribute 54% of Total Solar Energy Rejection.</span></p><p><span style="color: rgb(51,51,51)">3. SHGC (Solar Heat Gain Coefficient is more comprehensive to solar control performance.</span></p><p><span style="color: rgb(51,51,51)">4. It Is misleading to consumer if Manufacturer refer to IR rejection instead of SHGC.</span></p><p></p><p><span style="color: rgb(51,51,51)">Link to the articles of IWFA : <a href="http://www.cornellstorefrontsolutions.com/specs/IWFA%20-%20IR%20Ratings%20of%20Window%20Film.pdf" target="_blank">http://www.cornellstorefrontsolutions.com/specs/IWFA%20-%20IR%20Ratings%20of%20Window%20Film.pdf</a></span></p><p></p><p><span style="color: rgb(51,51,51)"><img src="http://img17.imageshack.us/img17/8081/ikqh.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></span></p></blockquote><p></p>
[QUOTE="starmax, post: 717634, member: 43555"] [B]Education Material of IWFA[/B] [COLOR=rgb(51,51,51)]1. Infra-Red (IR) rejection not accurate to describe solar heat control of window film product.[/COLOR] [COLOR=rgb(51,51,51)]2. IR only contribute 54% of Total Solar Energy Rejection.[/COLOR] [COLOR=rgb(51,51,51)]3. SHGC (Solar Heat Gain Coefficient is more comprehensive to solar control performance.[/COLOR] [COLOR=rgb(51,51,51)]4. It Is misleading to consumer if Manufacturer refer to IR rejection instead of SHGC.[/COLOR] [COLOR=rgb(51,51,51)]Link to the articles of IWFA : [URL="http://www.cornellstorefrontsolutions.com/specs/IWFA%20-%20IR%20Ratings%20of%20Window%20Film.pdf"]http://www.cornellstorefrontsolutions.com/specs/IWFA%20-%20IR%20Ratings%20of%20Window%20Film.pdf[/URL][/COLOR] [COLOR=rgb(51,51,51)][IMG]http://img17.imageshack.us/img17/8081/ikqh.jpg[/IMG][/COLOR] [/QUOTE]
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How to choose a good car window tint? Raytech, V-kool, Llumar,3M, Huper Optik
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