江苏11选5走势图 开奖结果走势 爱彩乐

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                灯具配件

                反光碗

                反光碗

                详细介绍

                反光碗
                 
                配件A:抛物面江苏11选五一定牛走反光碗,作用是将光源置于反光镜的焦点F处,光线经内曲面反射平行与轴线冷光,透过热光。在夜晚,呈现亮白色的光柱,起到亮化的作用。
                主要参数:
                基地材料:高硼玻璃(硬质耐热玻璃)
                可见光平均反射率:>95%
                红外光平均透射率:>75%
                使用温度范围:-40~+420°C

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