Detection Techniques of LED energy-saving lamps in North America
fecha:2011-06-09 11:21
estado:para resolver
pregunta:admin
ting, the manufacturer in order to ensure the brightness of LED lights, tend to do very thin transparent polymer shell, which requires test engineers to pay attention to ensure that materials meet the required fire rating thickness. As different raw materials to the same fire rating requirements of different thickness, the thickness of certain raw materials in smaller, under a high fire rating to meet the requirements, the manufacturer may choose to recommend the right materials to do the produc
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