KS ISO 4435:2003

Plastics piping systems for non-pressure underground drainage and sewerage- Unplasticized poly(vinyl chloride) (PVC-U)

Specifies the requirements for unplasticized poly(vinyl chloride) (PVC-U) Pipes, fittings and piping sysstems intended for use for non-pressure underground drainage and sewerage for the conveyance of soil and waste discharge of domestic and industria