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Goodfellow - Materials for Research and Industry - Small Quantities FAST
3M BBI-A Shrinkable Tubing for Bus Bar
Categories: Polymer; Thermoset

Material Notes: 3M Heat Shrinkable Tubing for Bus Bar BBI-A Series is designed for insulating rectangular, square and round bus bar rated from 5 kV through 35 kV. It will also cover and insulate inline bolted connections of rectangular bus bars. The tubing meets the requirements of ANSI/IEEE Standard C37.20. The standard tubing lengths are 20 ft (6.1 m) and 50 feet (15.2m). 3M BBI-A Tubing is made of a specially formulated cross-linked polyolefin. The tubing is colored orange-red. The material has high resistance to splitting, good solvent resistance to splitting, good solvent resistance and excellent tracking resistance properties. The tubing shrinks easily with industry standard methods, forming an aesthetically appealing insulation cover.

Information provided by 3M

Available Properties
  • Water Absorption, MIL-I-23053/15A, 7 days at RT
  • Tensile Strength at Break, MIL-I-23053/15A, Fluid Resistance, 24 hrs immersed
  • Tensile Strength at Break, ASTM D257
  • Tensile Strength at Break, MIL-I-23053/15A, Accelerated Aging
  • Elongation at Break, ASTM D638
  • Elongation at Break, MIL-I-23053/15A, Accelerated Aging
  • Dielectric Strength, MIL-I-23053/15A, Fluid Resistance, 24 hrs immersed
  • Dielectric Strength, ASTM D149
  • Track Resistance, ASTM D2303, 1 in @ 2.5 kV
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Aluminum Castings
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