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 ratio2:1
MaterialCross-linked flouroelastomer
FlexibilitySemi flexible
Tensile strength8.4N/mm”
Ultimate elongation250% min
Relative density1.9 max.
Longitudinal change20% max.

Thermal Properties

Operating temperature range-40°C to +200
Shrinkage temperature>175°C
Storage stabilityVery good

Electrical Properties

Dielectric strength7.5KV/mm

Chemical Properties

FlammabilityHighly 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.
NVTN323.21.60.7630 or 50
NVTN484.82.40.8430 or 50
NVTN646.43.20.8930 or 50
NVTN959.54.81.0230 or 50