endstream endobj 66 0 obj <>stream h�L�Qk�0��r؍ hSE�� ����6����hi2NO*��W�.�����b Table 1 shows the UV reflectivity of standard materials used in disinfection reactors. �n�;����v��3j�O�X�R{��4�TOn0/ �Ce��:�:J�r�Wɚ����ސqV�ڒ��"9{r�[���^��=oQ���_ D�8� 60 0 obj <>stream Who is the longest reigning WWE Champion of all time? Although to be fair to plastics, it attacks, to a greater or lesser extent, most other materials as well. endstream endobj 61 0 obj <>stream Specifically designed for UV systems, our UV reflectors: h�$�A�@���;�^��"�B�%K�D�ED��+��п������Ǥ6�f�( UV Light and its Effect on Plastics Ultraviolet (UV) light is probably the most damaging environment for plastics. What is the hink-pink for blue green moray? h�26U0P���w�/�+Q0��,H��/-���K-��0 �� � another. Many more items glow when exposed to black or ultraviolet light. Why is melted paraffin was allowed to drop a certain height and not just rub over the skin? For ultraviolet light reflectivity, manufacturers trust our POREX Virtek sintered PTFE sheets and molded 3-D parts. %PDF-1.6 %���� Even clear materials (such as glass) reflect a small h�26V0P���wV0� 2��=J�JS���C���R�+�� �~� All applications of plastics which are used outdoors are therefore at risk, from roofing and window frames to vehicles. h�26Q0P���wV0� 2��=J�JS���C���R�+�� Ԧ� But what surprised me was that white house paint reflects up to 22% of UV radiation, concrete reflect about 8%-12% and asphalt about 4%-8%. What is the reflection of the story the mats by francisco arcellana? is used and UV absorbers are added to polymer films to prevent light-induced corrosion at the silver/polymer interface. h�̓�j�0�_�. Here is a partial list of other materials that glow: Petroleum jelly, such as Vaseline, glows a bright blue color under a fluorescent light. endstream endobj 64 0 obj <>stream Copyright © 2020 Multiply Media, LLC. All Rights Reserved. How will understanding of attitudes and predisposition enhance teaching? Does Jerry Seinfeld have Parkinson's disease? If you are 13 years old when were you born? endstream endobj 65 0 obj <>stream mi. What are five materials that do not reflect light? endstream endobj 68 0 obj <>stream h�26T0P���wV0� 2��=J�JS���C���R�+�� �.� What is the contribution of candido bartolome to gymnastics? Apparently it is between 3% – 8% of UV reflects off water, which isn’t huge, but without sun protection on a high UV day, that is still enough to do a bit of damage. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. TABLE 1 MATERIAL REFLECTIVITY e-PTFE 95% Aluminum—sputtered on glass 80% Aluminum foil 73% Stainless steel (various formulas) 20 – 28% A common material used in commercial UV disinfection systems is stainless steel. Inthispaperdataarepresentedontheultra-violetreflectingpowerofalumi- num,duralumin,tin,andrhodium. h�26R0P���wV0� 2��=J�JS���C���R�+�� �V� V+�I�Dʶ��1�m���?�Gc��Bn �*ØU�ZM��Ӆ�EY̿�����ٱ�����Ax ��aCu�z���H���|��^\�B���-&j6Rj$䎢M5R��:�?�-��b�ڡv�3�:�B~:��}y&3�]��)��c�.��'^� ���Ժ�Z0�B�=���V���N�׿ !Z� What is the conflict of the story sinigang by marby villaceran? When did organ music become associated with baseball? What is the conflict of the story of sinigang? amount of light, and, under the right circumstances, can act as a With over 97% average reflectance from 250nm to 400nm, POREX Virtek ® pure PTFE reflectors can maximize disinfection rates and minimize system cost. Ano ang pinakamaliit na kontinente sa mundo? h���7��X�$"��!EH��KP�2��}V)�L���@i�=h À7�i�\�ƚ%����_|�r���)�F8�?� �y�dm묠���xK׺�$��T ��s�|"^vc~ b,M endstream endobj 67 0 obj <>stream endstream endobj 63 0 obj <>stream endstream endobj 62 0 obj <>stream How much does does a 100 dollar roblox gift card get you in robhx? Uranium glass or vaseline glass Why don't libraries smell like bookstores? Inter state form of sales tax income tax? One candidate UV reflector material is an aluminized polymer film (SA85 from 3M Company) having a front surface protective coating without appreciable UV absorption.