PG黑胶雨伞的防晒指数多少

2019-08-31 08:26   2052次浏览

PG黑胶,碰击黑胶布,遮阳伞多用色胶布,银胶或金胶,也有珠光,从防晒效果来说:色胶大于银胶,银胶大于珠光。PG黑胶是色胶面料的其中一种。防晒指数:UPF>40 T(UVA)AV<5﹪,开始防紫外线系数是一样的,使用时间长比黑胶的好,黑胶的使用后面料容易磨损。

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