NBRE

nbre

A premium grade thin wall polyolefin formulated to meet the most exacting specifications, NBRE is a very flexible, flame retarded* sleeving. Available in a wide range of sizes up to 102mm diameter, NBRE complies with MIL-1-23053/5 Class 1 and 2*, DEF.STAN 59-97 type 2b*, UL 224*, and CSA* specifications.

NBRE has extensive applications for both protective and aesthetic purposes, with good chemical and solvent resistance and electrical performance. NBRE is available in a range of colours, making it ideal for both coding and identification.

Physical Properties

Shrink ratio 2:1
Material Cross-linked polyolefin
Flexibility Semi flexible
Colours Standard: Black, Red, Blue, Yellow, White and Clear
Non-standard: Green, Violet
Tensile strength 10.4N/mm”
Ultimate elongation 200%
Relative density 1.3 max.
Longitudinal change 5% max*.

Thermal properties

Operating temperature range -55°C to + 135°C
Shrinkage temperature >120°C
Storage stability Very good

Electrical Properties

Dielectric strength 20KV/mm
Diameters >25.4mm 10KV/mm
Volume resistivity 10″4ohm.cm.

Chemical properties

Water absorption 0.4% (24h at 25°C)
Corrosion Non-corrosive
Flammability Self-extinguishing*

* Does not apply to clear variant

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.
NBRE12 1.2 0.6 0.46 150 or 300
NBRE16 1.6 0.8 0.46 150 or 300
NBRE24 2.4 1.2 0.51 150
NBRE32 3.2 1.6 0.51 150
NBRE48 4.8 2.4 0.51 75
NBRE64 6.4 3.2 0.64 75
NBRE95 9.5 4.8 0.64 75
NBRE127 12.7 6.4 0.64 75
NBRE190 19.0 9.5 0.76 75
NBRE254 25.4 12.7 0.89 30
NBRE380 38.0 19.0 1.02 30
NBRE510 51.0 25.4 1.14 30
NBRE762 76.0 38.0 1.27 15
NBRE1020 102.0 51.0 1.40 15