div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documenthome-queens-university-q-sun-test-chamber-110-wm2-420-nm-250-hours-lighthtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Home Queens University€¦ · Q-Sun Test Chamber 110 Wm2 420 nm 250 Hours Light aging Before exposure Light aging 250 h exposure with glazing Light aging 250 h exposure loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsusreader031viewer20220119055f272c80d1520d3669563c21html5thumbnails1jpg width=140 height=200 divdiv