Features Good insulation characteristic: good insulation property, high anti-current puncture strength, able to resist 25kV voltage Great impact-resistance, can be buried in concrete, resist compression, impact Good fire-resistant: high oxygen value, good combustion-resistance, self extinguishing Moisture-resistant to acids and alkalis No rust occurs like metal pipe, resistant toacids, alkali and oil Biotic resistance, PVC conduit pipe with no smell attracting rodent, will not suffer from biotic attack