NBRE3

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The advantages of a premium grade thin wall polyolefin combined with the versatility of a good 3:1 shrink ratio. Also available in a range of sizes up to 39mm diameter, NBRE 3 complies with MIL-1-23053/5 Class 1 and 2*, DEF>STAN 59-97 type 2b*, UL 224*, CSA* specifications.

The NBRE 3 shrink ratio enables fewer sizes to be stocked for a wider range of applications. The added advantage of NBRE 3 availability in a range of colours, makes this versatile tubing ideal for strain relief, protection of terminals and both coding and identification.

Physical Properties

Shrink ratio 3:1
Material Cross-linked polyolefin
Flexibility Semi flexible
Colours Standard: Black,
Red, Blue, Yellow, White and Clear
Tensile strength 10.4N/mm”
Ultimate elongation 200%
Relative density 1.3 max.
Longitudinal change 10% 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
Volume resistivity 10Õ4ohm.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.
NBRE3/15 1.5 0.5 0.45 300
NBRE3/30 3 1 0.55 150
NBRE3/60 6 2 0.65 60 or 75
NBRE3/90 9 3 0.75 60 or 75
NBRE3/120 12 4 0.75 60 or 75
NBRE3/180 18 6 0.85 60 or 75
NBRE3/240 24 8 1 30
NBRE3/390 39 13 1.15 30
NBRE190 19 9.5 0.76 75
NBRE254 25.4 12.7 0.89 30
NBRE380 38 19 1.02 30
NBRE510 51 25.4 1.14 30
NBRE762 76 38 1.27 15
NBRE1020 102 51 1.4 15
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