North Coast Conduit Smoothwall is manufactured from High Density Polyethylene (HDPE) and is intended for use in underground, aerial, and innerduct applications. Smoothwall offers superior protection and serves as an ideal raceway for future cable expansion.
Smoothwall Innerduct is available in ½”, through 4″ diameters. Options include:
- Internal ribs
- Silicone pre-lube
- Aerial UV protection
- Pre installed pulling tapes
- A large variety of colors and striping
- Multiple lengths on a reel ½” through 2″
Smoothwall Innerduct is offered in custom lengths on collapsible steel reels or in straight lengths. A full line of couplers and terminal connectors are also available.
Standards
North Coast Conduit Innerduct is manufactured according to the following industry standards:
ASTM F 2160
Solid wall High Density Polyethylene (HDPE) Conduit based on Controlled Outside Diameter (O.D.).
NEMA TC-7
Electrical Plastic Conduit.
Resin Properties
The resin properties meet or exceed the values listed below for HDPE:
| ASTM Test | Description | Values HDPE |
|---|---|---|
| D-1505 | Density g/cm³ | 0.941-0.955 |
| D-1238 | Melt Index, g/10 min Condition E | 0.05 – 0.50 |
| D-638 | Tensile strength at yield (psi) | 3000 psi min. |
| D-1693 | Environmental Stress Crack Resistance Condition B,. | F10> 96 hr. |
| D-790 | Flexural Modulus, MPa (PSI) | 80,000 min. |
| D-746 | Brittleness Temperature | -75°C |
