Cast aluminum alloy shell refers to the internal filling material which the shell it is made of. The cost of such a spike is lower
than all cast aluminum, but at the same time the
1. It's compressive strength is not so high. It is generally known as cast aluminum spike or cast aluminum filled road stud.
2. The stud formed has a carrying capacity of more than 20 tons.
3. When charged continuous flicker for 200H or constant brightness for 40H.
4. It has strong waterproof ability, solar panels, electronic components and LED through special technology sealed in the shell,
5. long-term water road can be used normally.
6. Service life: 3-5 years.