SUMITUBE™ K2

CatalogNo.875

[Highly heat/oil/chemical resistant, clear, flame-retarded heat-shrinkable tubing]
SAE/UL recognized

■ SAE-AMS/UL recognized
■ Flame-retarded
■ Transparent colors
■ Thin wall
■ Semi-rigid (more flexible than SUMITUBE K)
■ Highly resistant against oil and chemicals
■ Available on spools
✔RoHS directive 10 substances

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

Applications

  • ■ Insulation, protection and reinforcement for termination and joints of electric wire
    ■ Protection for wire and devices which are used under high temperature or exposed to chemicals and oils
    ■ Mechanical protection for metal wire
    ■ Fixing and protection of cable markers
    ■ Insulation and protection of thermistors, resistors and capacitors

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Basic Properties

Category Heat shrink tubing
Material Irradiated cross-linked semi-rigid flame-retarded PVDF
Flammability Flame Retarded
Shrink temperature min. 150℃
Shrink ratio min. 50%
Longitudinal change -10 to 5%
Continuous operating temperature -55 to 175℃
Specifications/Approvals SAE-AS23053/18 Class 1
UL224
  File No. E70631 Catalog No. SUMITUBE™ K2 or 875
  Flammability: VW-1
Electrical Appliance and Material Safety Law (Japan)
Flammability rating (-F-) test registration No.: F-STS3-017 to F-STS3-020
Marking on Surface
Available colors Black, Red, Green, Blue, White, Clear
Flexibility Semi-rigid
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. 24.1MPa
min. 200%
250℃ x 7 days, min. 100%
-55℃ x 4 hours, no crack
275℃ x 4 hours, no crack
max. 1.90
37.8MPa
404%
383%
Pass
Pass
1.75
Electrical Dielectric strength
Volume resistivity
min. 15.7kV/mm
min. 1.0 x 1011Ω・cm
35.4kV/mm
2.8 x 1015Ω・cm
Chemical

Transparent stability
Fluid resistance


  Tensile strength
  Dielectric strength
  Elongation
Flammability

200℃ x 24 hours, no change
After immersion in the fluids specified

in SAE-AS23053 at 24℃ for 24 hours,
  min. 13.9MPa
  min. 15.7kV/mm
  min. 100%
Flame-retarded, pass VW-1

Pass



37.4MPa
25.2kV/mm
419%
Pass

* For reference use only

Sizes

Trade size(inch) As supplied(mm) After recovered(mm) Unit length(min.)(m)
Inside diameter(min.) Wall thickness(nom.) Inside diameter(max.) Wall thickness
3/64 1.20 0.10 0.60 0.25±0.05 305
1/16 1.60 0.10 0.80 0.25±0.05 305
3/32 2.40 0.12 1.20 0.27±0.04 152.5
1/8 3.20 0.12 1.60 0.27±0.04 152.5
3/16 4.80 0.12 2.40 0.27±0.04 61
1/4 6.4 0.14 3.20 0.33±0.05 61
3/8 9.5 0.14 4.75 0.33±0.05 61
1/2 12.7 0.14 6.4 0.33±0.05 61
3/4 19.1 0.18 9.5 0.43±0.07 61
1 25.4 0.20 12.7 0.48±0.07 61
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