Viton High Temperature Sleeving
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NVTN is a cross-linked flouroelastomer. The VITON¨ heat shrinkable sleeving will operate at very high continuous temperatures of up to 200°C . It is resistant to chemical attack, is self extinguishing, and will withstand impact and mechanical abuse.
Available in Black in a range of sizes up to 51mm diameter, NVTN complies with DEF.STAN 59-97 type 4A approval. VITON¨ is a trademark of Du Pont.
Physical Properties
| Shrink ratio | 2:1 |
| Material | Cross-linked flouroelastomer |
| Flexibility | Semi flexible |
| Colours | Black |
| Tensile strength | 8.4N/mm” |
| Ultimate elongation | 250% min |
| Relative density | 1.9 max. |
| Longitudinal change | 20% max. |
Thermal Properties
| Operating temperature range | -40°C to +200 |
| Shrinkage temperature | >175°C |
| Storage stability | Very good |
Electrical Properties
| Dielectric strength | 7.5KV/mm |
Chemical Properties
| Corrosion | Non-corrosive |
| Flammability | Highly flame retarded |
| PRODUCT CODE REF. | Internal Diameter (mm) | Nominal wall thickness (mm) after heating (full recovery) | Standard reel size (mtrs) | |
|---|---|---|---|---|
| Expanded As supplied min. | Recovered after heating max. | |||
| NVTN32 | 3.2 | 1.6 | 0.76 | 30 or 50 |
| NVTN48 | 4.8 | 2.4 | 0.84 | 30 or 50 |
| NVTN64 | 6.4 | 3.2 | 0.89 | 30 or 50 |
| NVTN95 | 9.5 | 4.8 | 1.02 | 30 or 50 |
| NVTN127 | 12.7 | 6.4 | 1.22 | 30 |
| NVTN190 | 19 | 9.5 | 1.45 | 30 |
| NVTN254 | 25.4 | 12.7 | 1.78 | 30 |
| NVTN380 | 38 | 19 | 2.41 | 15 |
| NVTN510 | 51 | 25.4 | 2.79 | 15 |
