1. Blue PVC pipes are manufactured according to the standards of TIS 17-2532 (1989), it tube top fixing mode setting applied in building sanitation, such as water pipes, which are used to get water pressure or water pump system which must be applied to a wide range of PVC pipe size pipe Standard-PVC pipe or 8.5-13.5 but if used as a disposal or drain pipe water strike in which there are no water pressure pipe pipe size standards to use PVC-PVC pipe is specified, 5-5, PVC pipe, PVC pipe and 8.5-13.5 is to identify any Devil phanai receiving pressure pipe. Unit is kg/sq cm PVC pipe is suitable for blue use indoor or indoor only. It should not be applied to the outside of the building that must be exposed to the Sun. It will make the pipe fracture or torn apart.