PTV 823 – part 2 approved sulphur concrete tubes

During the Copro “Sulphur Concrete” Advisory Council of 19 December 2017 the finishing touches were put to PTV 823 part 2: “PREFABRICATED TUBES AND FITTINGS IN UNREINFORCED SULPHUR CONCRETE”. The final text has been revised and approved by the Advisory Board. Following to this decision COPRO can finalize and publish this PTV.