Is the retro-reflection of 360 degree Tempered Glass Road Reflector lower than the retro-reflection of plastic road stud at the initial stage?
The reflective area of plastic road studs is twice larger than this one of 360 degree Tempered Glass Road Reflector. Therefore the retro-reflection of plastic road stud is higher compared with 360 degree Tempered Glass Road Reflector at initial stage . However, this advantage can only be held for 2 or 3 weeks, and the reflection value of new installed plastic road stud will decrease and be the SAME as this one of 360 degree Tempered Glass Road Reflector. In use on the lane with heavy traffic and heavy vehicles, most of plastic road studs will loose the retro-reflection within 1 month. After 2 months in use on roads the plastic road studs have a lower reflection than 360 degree Tempered Glass Road Studs after 7 years in use. It becomes even more important in rainy nights. Siglite may have some small scratches on the surface after 7 years but because of capillary the rain will make up the deficiency and the reflection of installed Siglite will be as good as new. Of course the reflective
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