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UV blocking quartz tubes

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Description

UV stop quartz tube

This cerium-added quartz tube can effectively prevent all radiation of UV-B and UV-C ultraviolet and most radiation of UV-A ultraviolet .
UV stop quartz tube is the best materials to prevent UV with best transparent performance. It can be used to make quartz halogen lamp , gas discharge lamp and other UV lamp-house ,
which will effectively protect human and object from hurt of ultraviolet and maintain the best efficiency of light transmission.

Chemical Composition Unit: ppm

Cr Ge Fe Mg Ti Ca Al Na Li K OH
＜0.5 ＜0.4 1.5 0.5 2.5 2.3 25 2.5 0.6 2.5 1-50

Spectral Transmission at 1.0mm Thickness

Nm: ＜220 230-280 290-330 315 350 380 590 780
% : 0 ＜19 0 15 88 92 93 93

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