Information

Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
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FIT > FIT Heat-Shrink Tubing
Heat-Shrink Tubing
FIT®-321V Heat-Shrink Tubing
3:1 Shrink Ratio, Flexible XLPO, Thin Wall
AMS-DTL-23053/5 Class 1
and 3 (except dimensions)
UL 224 VW-1
CSA 198
• Low shrink temperature
• Fast recovery time
• Reduced wall thickness
Operating Temperature
• -55°C to +135°C
• -55°C to +125°C (UL, CSA)
Shrink Temperature
• 90°C min.
• 135°C full recovery
Material
• Flexible cross-linked thin-wall
polyolefin
Colors
• Black, white
Physical Properties
• Tensile strength: 1500 psi
(10.34 N/mm
2
)
• Elongation: 200% min
• Longitudinal change: +5%/-15%
• Specific gravity: 1.35
• Flame retardant
• Shelf life: 25 years at 18°C to 35°C
Chemical Properties
• Corrosive eect: none
• Fungus resistance: no growth
• Water absorption: 0.5% max
• Fluid resistance: 1000 psi
(6.89 N/mm
2
)
Electrical Properties
• 600 V (UL, CSA)
• Dielectric strength: 500 V/mil
(197 kV/cm)
• Volume resistivity: 10
14
ohm-cm
Availability
See table
Spools may contain multiple
lengths
Part No.
Supplied ID, Min. Recovered ID, Max.
Recovered
Wall Thickness, Nom.
Availability
Inch mm Inch mm Inch mm Ft m
FIT-321V-3/32 0.060 1.52 0.020 0.51 0.020 0.51 500 152
FIT-321V-1/8 0.120 3.05 0.040 1.02 0.024 0.61 500 152
FIT-321V-1/4 0.240 6.10 0.080 2.03 0.028 0.71 250 76.2
FIT-321V-3/8 0.360 9.14 0.120 3.05 0.031 0.79 200 60.9
FIT-321V-1/2 0.472 11.99 0.160 4.06 0.033 0.84 150 45.7
FIT-321V-3/4 0.720 18.29 0.240 6.10 0.039 0.99 250 76.2
FIT-321V-1IN 0.945 24.00 0.315 8.00 0.048 1.22 250 76.2