SUMITUBE™ B8

CatalogNo.846

[125℃ rating, semi-rigid flame-retarded heatshrinkable tubing]
UL/CSA recognized

■ UL/CSA recognized
■ Semi-rigid
■ Flame-retarded (PBDE/PBB-free)

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

Applications

  • ■ Insulation, protection and reinforcement for termination and joints of electric wire which require high strength mechanical abuse
    ■ Corrosion protection for pipes

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Basic Properties

Category Heat-shrinkable tubing
Material Irradiated cross-linked semi-rigid flame-retarded polyolefin
Flammability Flame Retarded
Shrink temperature min. 130℃
Shrink ratio min. 50%
Longitudinal change 0 ±5%
Continuous operating temperature -55 to 125℃
Specifications/Approvals UL224
  File No. E48762 Catalog No. SUMITUBE™ B8 or 846
  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
Electrical Appliance and Material Safety Law (Japan)
Flammability rating (-F-) test registration No.: F-STS3-009 to F-STS3-012
Marking on Surface SUMITOMO-K CSA SR HS X PO TUBING 125℃ SUMITUBE
Available colors Black, Brown, Red, Orange, Yellow, Green, Blue, Purple, Gray, White
Flexibility Semi-rigid
Environmental Compliance RoHS,ELV
Industry Automotive,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. 13.8MPa
158℃ x 7 days, min. 9.7MPa
min. 200%
158℃ x 7 days, min. 100%
250℃ x 4 hours, no crack
-30℃ x 1 hour, no crack
19.0MPa
17.1MPa
340%
340%
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
15.0kV
Pass
2.3 x 1016Ω・cm
Chemical Corrosion against bare copper

Stability against copper

Flammability
158℃ x 7 days, no corrosion after leaving
under 95% humidity, 23℃ x 24 hours
158℃ x 7 days, elongation min. 100%
after leaving under 95% humidity, 23℃ x 24 hours
Flame-retarded, pass VW-1

Pass

304%
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
3/64 1.60±0.30 0.25 0.60 0.51±0.07 1.22
1/16 2.00±0.30 0.25 0.80 0.51±0.07 1.22
3/32 2.70±0.30 0.25 1.20 0.51±0.07 1.22
1/8 3.50±0.30 0.25 1.60 0.51±0.07 1.22
3/16 5.20±0.30 0.30 2.40 0.64±0.07 1.22
1/4 6.8±0.4 0.30 3.20 0.64±0.07 1.22
3/8 10.0±0.4 0.35 4.80 0.76±0.07 1.22
1/2 13.2±0.5 0.35 6.4 0.76±0.07 1.22
3/4 20.0±0.6 0.35 9.5 0.76±0.07 1.22
1 26.6±0.8 0.40 12.7 0.89±0.12 1.22
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