IRRAX™SLEEVE SBI350

[Halogen-free, insulation for busbars in switchgear, heat-shrinkable tubing (max. 36kV)]

■ Excellent electrical performance
■ Protection against flashover
■ Stable performance for continuous use in switchgear
■ Flexible enough to heat-shrink on bent (90℃) busbars
■ Flame retardancy (self-extinguishing)

  • moisture resistance Single
  • Flame Retarded

Applications

  • ■ Insulation for busbars in switchgear up to 36kV

PDF download

Basic Properties

Category Heat-shrinkable tubing
Material Cross-linked flexible flame-retarded polyolefin
Flammability Flame Retarded
Shrink temperature min. 115℃
Shrink ratio min. 60%
Longitudinal change min. -15℃
Continuous operating temperature -40 to 120℃
Specifications/Approvals SFP standard
Marking on Surface SUMITOMO IRRAX SLEEVE SBI350 XX/YY HF
(XX/YY indicates nominal size)
Available colors Red
Flexibility Flexible
Environmental Compliance Halogen-free,RoHS,ELV
Industry Industrial machinery,Electronics,Power supply / Communication

Features

Properties Items Requirements Typical values*
Mechanical Tensile strength (before aging)
Tensile strength (after aging)
Elongation (before aging)
Elongation (after aging)
Specific gravity
Low temperature flexibility
min. 5.0MPa
160℃ x 168 hours, min. 5.0 MPa
min. 300%
160℃ x 168 hours, min. 200%

-40℃ x 4 hours, no crack
7.6MPa
9.6MPa
525%
490%
1.31
Pass
Electrical Dielectric strength
Volume resistivity
Dielectric constant
min. 10.0kV/mm

39.5kV/mm (wall thickness 0.94mm)
7.8 x 1016Ω・cm
2.7
Chemical Water absorption
Flammability
Shrinking temperature (start/finish)
23℃ x 24 hours
Pass
0.45
Pass
70℃ / 100℃

* For reference use only

Sizes

Nominal size(mm) Supplied ID(mm) Recovered ID(mm) Unit length
(min.)(m)
Suitable busbar size(mm)
Inside diameter(min.) Wall thickness(nom.) Inside diameter(max.) Wall thickness(nom.) Rectangular L+T(min. - max.) Round R(min. - max.)
10/25 25.0 1.60 10.0 4.00 25 17~28 11.0~20.0
16/40 40.0 1.60 16.0 4.00 25 28~45 18.0~32.0
25/65 65.0 1.60 25.0 4.00 25 45~67 28.0~47.0
40/100 100.0 1.60 40.0 4.00 25 67~102 44.0~72.0
  • About the products  /  Request sample
  • Contact Us
  • e-Catalog

Need more help? Back to "Recommended topics"