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.