
1) Material: Main pole diameter 140mm, 3mm thickness Q235steel pipe; Stainless steel screw and nuts; aluminium ground cover;
2) Pipe surface treatment: double layer powder covered (first layer covered by DUPON powder mixed with 70% zinc powder; second layer covered by DUPON color powder)
3) No rusting under 800hours salty pray test (NaCl under 42°C temperature), , which equals to 33 years under nature environment;
4) No aging or deformation phenomenon after 800hours Xenon lamping aging test under 40°C, huminity50% (by simulated sunshine, rain and dew). 800hours equals to 33 years outside;
5) No crack or change after 8 hours under -45°C temperature and can work normally after 8 hours under +45°C in High-Low Temperature chamber;