NHF is aflexible heatshrinkable sleeving with a low toxicity index. It combines low smoke and acid gas emission with good mechanical and fluid resistant properties. The tubing is especially designed for use in fire safety applications; insulation and protection of cables, harnesses and electrical components used in enclosed spaces. NHF complies with Def. Std. 59/97 Issue 3 Type 8.
Physical Properties
| Shrink ratio | 2:1 |
| Flexibility | Semi-flexible |
| Colour | Black |
| Tensile strength | 10.0 N/mm’ |
| Ultimate elongation | 250% min. |
| Relative density | 1.4 max |
| Longitudinal change | 10% max |
Thermal Properties
| Operating temp. range | 40°C to + 125°C |
| Shrinkage temp. | >120’C . |
| Storage stability | Very good |
Electrical Resistance
| Dielectric strength | 20 kv/mm |
Chemical Properties
| Corrosion | Non-corrosive |
| Flammability | Highly flame retarded |
Colours available to order.