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
✔RoHS directive 10 substances

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

Basic Properties

Category Heat shrink 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-AS23053/5 Class 1,3
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
Yellow/Green has no SAE recognized
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

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 in the fluids specified in SAE-AS23053 at 24℃ for 24 hours,

       min. 6.9MPa
　　min. 15.8kV/mm
Flame-retarded, pass VW-1

0.28%
Pass
Pass

 

 

13.1MPa
30.5kV/mm
Pass

Sizes