Copper tube is made to EN 1057 standard and coated in plastic.
Plastic coated copper tube is useful for:
- Outdoors and underground
- Passing through walls
Identification purposes:
- White for oil
- Blue/green for water
- Yellow for commercial gas
PVC Coated Copper Tubes
The Plastic that we are using for the tube coating is a Low Density Polyethylene along with a World Wide UV stabiliser.
The Physical properties are as follows:
Mechanical
Melting point: 114°C
Vicat Softening Point: 93°C (This can be generally treated as the maximum operating temperature)
Brittleness Point: < -75°C
Hardness: 55 Shore D
Tensile Break: 13.40 MPa
Flexural Strength: 8.10 MPa
Elongation at Break: 500%
Electrical
Volume Resistivity: >1015 Ohm-cm³
Surface Resistivity: >1015 Ohm -cm²