Pre Insulated Pipe

Pre Insulated Pipe Thermal insulation direct buried pipe can also be called pre insulated pipe, they are a kind of heat pipeline. We can supply high quality Heating Pipeline, welcome to choose us! Product Indexes Reference Standard Standard Requirement. Our product value Outer protection pipe Density (kg/m3 ) CJ/T114-4.2.3.1 ≥940 948.2 Elongation at break (%) CJ/T114-4.2.3.4 ≥350 618 Tensile yield strength (MPa) CJ/T114-4.2.3.4 ≥19 20.5 Longitudinal shrinkage rate (%) CJ/T114