IRRAX™TUBE NHR

[Halogen-free flame-retarded heat-resistant tubing]

■ Free of halogens
■ Highly flame-retarded (compliant with the Combustion Standards for Railway Vehicle Materials by Japan Railway Rolling Stock & Machinery Association)
■ Reduced amounts of smoke and harmful gasses when burned

  • moisture resistance Single
  • Flame Retarded

Applications

  • ■ Protection and insulation of cables for subway and railway vehicles
    ■ Protection of wiring of equipment in buildings, marine vessels, tunnels, and mass transit vehicles

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Basic Properties

Category Heat-resistant tubing (Non-shrinkable)
Material Cross-linked flexible flame-retarded polyolefin
Flammability Flame Retarded
Continuous operating temperature -40 to 105℃
Specifications/Approvals SFP standard (R1-3699)
Marking on Surface
Available colors Black
Flexibility Flexible
Environmental Compliance Halogen-free,RoHS,ELV
Industry Military / Aerospace,Construction machinery,Industrial machinery,Electronics

Oil/Chemical resistance (room temperature)

Gasoline Gas oil Lubricant Alcohol Acid Alkali

:Very good :Good :Not applicable in some cases

Features

Properties Items Requirements Typical values*1
Mechanical Tensile strength (before aging)
Tensile strength (after aging)
Elongation (before aging)
Elongation (after aging)
Heat resistivity
Cold bend
min. 5.9MPa
136℃ x 7 days, min. 4.0MPa
min. 200%
136℃ x 7 days, min. 100%
105℃ x 1 hour, min. 50%
-40℃ x 1 hour, no crack
8.4MPa
7.4MPa
380%
340%
8%
Pass
Electrical Dielectric withstand (before aging)
Volume resistivity
AC2.5kV x 60 sec., no breakdown
min. 1.0 x 1010Ω・cm
Pass
2.7 x 1014Ω・cm
Chemical Flammability Flame-retarded*2 Pass

*1: For reference use only
*2: Combustion Standards for Railway Vehicle Materials by Japan Railway Rolling Stock & Machinery Association (18-1011K)

Sizes

Nominal size(mm) Inside diameter(mm) Wall thickness(mm) Unit length(m)
5×0.7 5.00±0.50 0.70±0.10 100以上
6×0.7 6.0±0.5 0.70±0.10 100以上
8×0.7 8.0±0.5 0.70±0.10 100以上
10×0.7 10.0±0.5 0.70±0.10 100以上
12×0.7 12.0±0.5 0.70±0.10 100以上
14×0.7 14.0±0.7 0.70±0.10 100以上
16×0.7 16.0±0.7 0.70±0.10 100以上
20×0.7 20.0±0.7 0.70±0.10 100以上
24×1 24.0±1.0 1.00±0.15 2以上
28×1 28.0±1.0 1.00±0.15 2以上
30×1 30.0±1.0 1.00±0.15 2以上
35×1 35.0±1.0 1.00±0.15 2以上
42×1 42.0±1.0 1.00±0.15 2以上
50×1.2 50.0±1.5 1.20±0.20 2以上
  • Longitudinal change: min. -20% (150℃ x 3 minutes)
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