HEAT SHRINK MEDIUM/HEAVY WALL BUS BAR TUBING QBTM, QBTH HALOGEN FREE, HEAT SHRINKABLE, 24-36kV BUS BAR INSULATION PROTECTION TUBING Features/Applications Made from specially formulated radiation cross-linked halogen-free compounds. The carefully produced product can provide high resistance to tracking and arcing. Used to enhance the insulation properties of bus bar in switchgear and substations. The continuous length of supplied products makes it more convenient and economical. Operating temperature: -55°C to +105°C Minimum shrink temperature: 120°C RoHS Compliant Halogen free UV and weather resistant Technical Data Test Method Typical Data Tensile Strength ASTM D 2671 > 14 MPa Ultimate Elongation ASTM D 2671 > 800% Longitudinal Shrinkage ASTM D 2671 0 to -10% Heat Aging Tensile Strength (120°C, 168 hrs.) Ultimate Elongation ASTM D 2671 > 10MPa > 200% Dielectric Strength IEC 243 > 19kV/mm Dielectric Constant IEC 250 Volume Resistance IEC 93 Property Flammability (Oxygen Index) ISO 4589 > 25 UL 224 No corrosion ASTM D 2671 (-40°C, 4 hrs.) No cracking ISO 62 (23°C, 14 days) < 0.5% Copper Corrosion Cold Bend Water Absorption Product Dimensions Size (mm) As Supplied (mm) Inside Diameter (min.) Continuous Length Tubing 15/6 15 30/12 30 40/16 40 50/20 50 65/25 65 75/30 75 100/40 100 120/50 120 < 3.5 > 1014 Ω .cm QBTM-Medium Wall Bus Bar Tubing 24kV After Recovered (mm) Tubing Shape Inside Diameter (max.) Wall Thickness (min) 6 12 16 20 25 30 40 50 2.0 2.3 2.5 2.5 2.5 2.6 2.8 2.8 Flat Flat Flat Flat Flat Flat Flat Flat 60 60 75 75 3.3 3.3 3.8 3.8 Round Round Round Round Cut Length Tubing 150/60 180/60 205/75 235/75 150 180 205 235 Product Dimensions Size (mm) As Supplied (mm) Inside Diameter (min.) QBTH-Heavy Wall Bus Bar Tubing Wall Thickness (min) Continuous Length Tubing 25/10 25 10 40/16 40 16 Notes: Cut Length Tubing 1. * See Part Number Guide for standard packaging codes. 65/25 65 25 75/25 75 25 95/30 95 30 120/40 120 40 180/58 180 58 Notes: 1. * See Part Number Guide for standard packaging codes. 2. Special sizes, packaging, and cut pieces are available upon request. www.Qualtekusa.com 30 30 30 15 15 15 15 15 Standard Packaging *(QB) (mm) 1000 1000 1000 1000 36kV After Recovered (mm) Inside Diameter (max.) Standard Spool *(SS) (Meter) Tubing Shape 4.0 4.0 Flat Flat 4.0 4.0 4.0 4.2 4.2 Round Round Round Round Round Standard Spool *(SS) (Meter) 15 15 Standard Packaging *(QB) (mm) 1000 1000 1000 1000 1000