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FIT-321V Heat Shrink Tubing

Part Number Size (in)Recovered I.D. (in)Nom. Rec. Wall Thick. (in)Expanded I.D. (in)Shrink Ratio
FIT-321V-1/2 1/2 0.16 0.033 0.472 3:1
FIT-321V-1/4 1/4 0.08 0.028 0.24 3:1
FIT-321V-1/8 1/8 0.04 0.024 0.12 3:1
FIT-321V-1IN 1 0.315 0.048 0.945 3:1
FIT-321V-3/32 3/32 0.02 0.02 0.06 3:1
FIT-321V-3/4 3/4 0.24 0.039 0.72 3:1
FIT-321V-3/8 3/8 0.12 0.031 0.36 3:1
FIT-321V Heat-Shrink Tubing
3:1 Shrink Ratio, Flexible XLPO, Thin Wall

FIT-321V Heat Shrink Tubing Specifications:

  • AMS-DTL-23053/5 Class 1 and 3 (except dimensions)
  • UL 224 VW-1
  • CSA Standard 198

FIT-321V Heat Shrink Tubing Characteristics:

  • Material: Flexible thin-wall cross-linked polyolefin (XLPO)
  • Colors: black, white
  • Operating temperature: -55°C to +135°C
  • Alpha UL 224, CSA 198: -55°C to +125°C
  • Shrink Temperature: 90°C min., 135°C full recovery

FIT-321V Heat Shrink Tubing Physical Properties:

  • Tensile strength: 1500 psi (10/34 N/mm2)
  • Elongation: 200% min
  • Longitudinal change: +5%/-15%
  • Specific gravity: 1.35
  • Flame retardant
  • Shelf life: 25 years at 18°C to 35°C

FIT-321V Heat Shrink Tubing Chemical Properties:

  • Corrosive effect: none
  • Fungus resistance: no growth
  • Water absorption: 0.5% max
  • Fluid resistance: 1000 psi (6.89 N/mm2)

FIT-321V Heat Shrink Tubing Electrical Properties:

  • Alpha UL 224, CSA 198: 600 volts
  • Dielectric strength: 500V/mil (197 kV/cm)
  • Volume resistivity: 1014 ohm-cm

FIT-321V Heat Shrink Tubing Features and Benefits:

Alpha Wire's FIT-321V Heat Shrink Tubing features a low shrink temperature. FIT-321 Heat Shrinkable Tubing offers a fast recovery time. FIT-321 tubing also has a reduced wall thickness.