NAC are a range of polyolefin semi-rigid heat shrinkable anode caps, they are coated internally with a highly protective mastic lining and are capable of withstanding the most aggressive environmental conditions including chlorine and moisture attack.
Physical Properties
| Shrink ratio | >2:1 |
| Material | Cross-linked polyolefin with mastic lining |
| Flexibility | Semi flexible |
| Colours | Black |
| Tensile strength | 14.0N/mm |
| Ultimate elongation | 500% min |
| Relative density | 1.2 max. |
Thermal Properties
| Operating temperature range | -55°C to + 70°C |
| Shrinkage temperature | >135°C |
| Storage stability | Very good |
Electrical Properties
| Dielectric strength | 11KV/mm |
Chemical Properties
| Water absorption | 0.1% (24h at 25°C) |
| Corrosion | Non-corrosive |
| Flammability | Self-extinguishing (tubing only) |
| PRODUCT CODE REF. | Body Diameter (mm) | Cable entry diam (mm). | Anode diam | Anode head diam. |
||
|---|---|---|---|---|---|---|
| Supplied min. | Recovered max. | Supplied min. | Recovered max. | |||
| NAC86 | 86 | 45 | 18 | 6.5 | 51(2?) | 76(3?) |
| NAC112 | 112 | 60 | 18 | 6.5 | 76(3?) | 102(4?) |
These anode cap sizes cover cable sizes 4mm2 to 25mm2 (6.5mm to 12mm dia).