SUMITUBE™ B2

CatalogNo.826

[Flexible flame-retarded heat-shrinkable tubing]
SAE-AMS/UL/CSA recognized

■ SAE-AMS/UL/CSA recognized
■ Flame-retarded (PBDE/PBB-free)
■ Flexible
■ Bright colors

  • UL
  • CSA
  • SAE
  • moisture resistance Single
  • Flame Retarded

Applications

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

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Basic Properties

Category Heat-shrinkable tubing
Material Irradiated cross-linked flexible flame-retarded polyolefin
Flammability Flame Retarded
Shrink temperature min. 90℃
Shrink ratio min. 50%
Longitudinal change 0 ±5%
Continuous operating temperature -55 to 135℃
Specifications/Approvals SAE-AMS-DTL-23053/5 Class 1
UL224
  File No. E48762 Catalog No. SUMITUBE™ B2 or 826
  Rating temperature: 125℃ Rating voltage: 600V Flammability: VW-1
CSA C22.2 No. 198.1
  File No. LR33298
  Rating temperature: 125℃ Rating voltage: 600V Flammability: VW-1
Marking on Surface
Available colors Black, Brown, Red, Orange, Yellow, Green, Blue, Purple, Gray, White
Note: Yellow/Green striped color is available only for limited sizes
Flexibility Flexible
Environmental Compliance RoHS,ELV
Industry Automotive,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*
Mechanical Tensile strength      (before aging)
Elongation                (before aging)
Elongation                (after aging)
Low temperature flexibility
Heat shock
Specific gravity
min. 10.4MPa
min. 200%
175℃ x 7 days, min. 100%
-55℃ x 4 hours, no crack
250℃ x 4 hours, no crack
max. 1.35
13.4MPa
410%
410%
Pass
Pass
1.32
Electrical Dielectric strength
Volume resistivity
min. 19.7kV/mm
min. 1.0 x 1014Ω・cm
37.1kV/mm
3.1 x 1015Ω・cm
Chemical Water absorption
Corrosion against bare copper
Color stability
Fluid resistance
  Tensile strength
  Dielectric strength
Flammability
23℃ x 24 hours, max. 0.50%
175℃ x 16 hours, no corrosion
175℃ x 24 hours, no change
After immersion at 24℃ x 24 hours,
  min. 6.9MPa
  min. 15.8kV/mm
Flame-retarded, pass VW-1
0.28%
Pass
Pass

13.1MPa
30.5kV/mm
Pass

* For reference use only

Sizes

Nominal size(inch) Supplied ID(mm) Recovered ID(mm) Unit length(min.)(m)
Inside diameter Wall thickness(nom.) Inside diameter(max.) Wall thickness Cut Spool
3/64 1.60±0.30 0.20 0.60 0.41±0.07 1.22 305
1/16 2.00±0.30 0.20 0.80 0.43±0.07 1.22 305
3/32 2.70±0.30 0.25 1.20 0.51±0.07 1.22 152.5
1/8 3.50±0.30 0.25 1.60 0.51±0.07 1.22 152.5
3/16 5.20±0.30 0.30 2.40 0.51±0.07 1.22 61
1/4 6.8±0.4 0.30 3.20 0.64±0.07 1.22 61
3/8 10.0±0.4 0.30 4.80 0.64±0.07 1.22 61
1/2 13.2±0.5 0.30 6.4 0.64±0.07 1.22 61
3/4 20.0±0.6 0.40 9.5 0.76±0.07 1.22 61
1 26.6±0.8 0.45 12.7 0.89±0.12 1.22 61
1-1/2 39.3±1.0 0.45 19.1 1.02±0.15 1.22 61
2 52.7±1.5 0.50 25.4 1.14±0.17 1.22 61
3 77.7±1.5 0.55 38.1 1.27±0.20 1.22 61
4 106.0±3.0 0.60 50.8 1.40±0.22 1.22 30.5
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