SUMITUBE™ NHR4

CatalogNo.718

[125℃ rating, halogen-free, thin wall, very flexible, flame-retarded, heat-resistant tubing]
UL recognized

■ UL224 recognized
■ Flexible
■ Flame-retarded (halogen-based flame retardant-free)
■ Thin wall, quick shrinkage

  • UL
  • moisture resistance Single
  • Flame Retarded

Applications

  • ■ Insulation, protection and reinforcement for termination and joints of electric wire
    ■ Color identification and bundling for electric wires

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Basic Properties

Category Heat-shrinkable tubing
Material Irradiated cross-linked flexible flame-retarded polyolefin
Flammability Flame Retarded
Shrink temperature min. 100℃
Shrink ratio min. 50%
Longitudinal change -5 ±5%
Continuous operating temperature -55 to 125℃
Specifications/Approvals UL224
  File No. E75077 Rating temperature: 125℃
  Rating voltage: 300V Flammability: VW-1
Marking on Surface 125℃ VW-1 SUMITUBE NHR4 -F- XXX
(XXX indicates size)
Available colors Black
Flexibility Flexible
Environmental Compliance Halogen-free,RoHS,ELV
Industry 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*
Mechanical Tensile strength (before aging)
Tensile strength (after aging)
Elongation (before aging)
Elongation (after aging)
Heat shock
Cold bend
min. 10.4MPa
158℃ x 7 days, min. 7.3MPa
min. 200%
158℃ x 7 days, min. 100%
250℃ x 4 hours, no crack
-30℃ x 1 hour, no crack
11.9MPa
11.5MPa
510%
460%
Pass
Pass
Electrical Dielectric withstand (before aging)
Dielectric withstand (after aging)
Dielectric breakdown (before aging)
Dielectric breakdown (after aging)
Volume resistivity
AC2.5kV x 60 sec., no breakdown
158℃ x 7 days, AC2.5kV x 60 sec., no breakdown
min. AC2.5kV
158℃ x 7 days, min. 50% of original and min. AC2.5kV
min. 1.0 x 1014Ω・cm
Pass
Pass
16.0kV
Pass
4.0 x 1015Ω・cm
Chemical Corrosion against bare copper

Flammability
158℃ x 7 days, no corrosion after leaving
under 95% humidity, 23℃ x 24 hours
Flame-retarded, pass VW-1
Pass
380%
Pass

* For reference use only

Sizes

Nominal size(mm) Supplied ID(mm) Recovered ID(mm) Unit length(min.)(m)
Inside diameter Wall thickness(nom.) Inside diameter(max.) Wall thickness(min.)
1×0.1 1.40±0.20 0.10 0.50 0.20 200
1.5×0.1 1.90±0.20 0.10 0.75 0.20 200
2×0.1 2.30±0.20 0.10 1.00 0.20 200
2.5×0.15 2.90±0.20 0.15 1.25 0.25 200
3×0.15 3.30±0.30 0.15 1.50 0.25 200
3.5×0.15 3.80±0.30 0.15 1.75 0.25 200
4×0.15 4.40±0.30 0.15 2.00 0.25 200
5×0.15 5.50±0.30 0.15 2.50 0.25 100
6×0.15 6.5±0.4 0.15 3.00 0.28 100
7×0.15 7.5±0.4 0.15 3.50 0.28 50
8×0.15 8.5±0.4 0.15 4.00 0.28 50
9×0.15 9.5±0.4 0.15 4.50 0.28 50
10×0.15 10.5±0.5 0.15 5.00 0.28 50
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