• 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.
|Tolerance of outer diameter (mm)||Min||15.75||19.75||24.75||24.95|
|Wall thickness uniformity||-2.06≤△A≤+0.26|
|Tolerance of wall thickness (mm)||Min||1.2||1.4||1.55||1.7|
|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.|
|Compression resistance||Load 1min, ≤25%|
|Unloading 1min, ≤10%|