• The new formulation makes the tube transparent.
• The problems such as inferior, scratch, intermediate connecting and knotting existing in the tube can be visually observed from the outside.
• It also has a smooth interior surface, which reduces friction during wire pull.
Nominal size | 16x1.3 | 20x1.5 | 25x1.6 | 32x1.8 | |
Outside diameter | mm | 16 | 20 | 25 | 32 |
Tolerance of outer diameter (mm) | Min | 15.75 | 19.75 | 24.75 | 24.95 |
Max | 15.95 | 19.95 | 31.75 | 31.95 | |
Wall thickness | mm | 1.3 | 1.5 | 1.6 | 1.8 |
Wall thickness uniformity | -2.06≤△A≤+0.26 | ||||
Tolerance of wall thickness (mm) | Min | 1.2 | 1.4 | 1.55 | 1.7 |
Max | 1.4 | 1.55 | 1.75 | 1.9 | |
Exterior | Conduit shall be smooth and free of cracks, ridges or burrs. | ||||
Do not damage the wires during installation. | |||||
Storage temperature | Not less than -5°C/23°F | ||||
Installation temperature | Not less than -5°C/23°F | ||||
Long-term working temp. | -5°C/23°F ~ 60°C/140°F | ||||
Flame retardant performance | Self-extinguishes in less than 30 seconds after ignition | ||||
Oxygen index ≧32% | |||||
Insulation performance | No breakdown in AC2000V 50 Hz within 15 minutes. | ||||
Insulation resistance≥100MΩ | |||||
Compression resistance | Load 1min, ≤25% | ||||
Unloading 1min, ≤10% |