Information

Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
451
FIT > FIT Heat-Shrink Tubing
Heat-Shrink Tubing
FIT®-221 Heat-Shrink Tubing
2:1 Shrink Ratio, XLPO
AMS-DTL-23053/5 Class 1
(except clear)
AMS-DTL-23053/5 Class 2
(clear)
UL 224 (except clear)
CSA 198 (except clear)
• Excellent general-purpose tubing
• Low water absorption
• UV resistant (black only)
Operating Temperature
• -55°C to +135°C
• -55°C to +125°C (UL, CSA)
Shrink Temperature
• 90°C min.
• 121°C full recovery
Material
• Cross-linked polyolefin
Color
• Black, white, red, yellow, blue,
green, clear*
*Clear tubing may exhibit some color tint
that is the result of the product’s chemistry;
the tint is variable and can be any color
Physical Properties
• Tensile strength: 1500 psi
(10.34 N/mm
2
)
• Elongation: 200% min
• Longitudinal change: ±5%
• Specific gravity: 1.35 (colors)/
1.00 (clear)
• Flame retardant
• Shelf life: 5 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
)
• Lead free
Electrical Properties
• 600 V (UL, CSA)
• Dielectric strength: 500 V/mil
(197 kV/cm)
• Volume resistivity: 10
14
ohm-cm
Availability
See table, next page
Spools may contain multiple
lengths
Part No.
Supplied ID, Min. Recovered ID, Max. Recovered Wall Thickness, Nom.
Inch mm Inch mm Inch mm
FIT-221-3/64 0.046 1.17 0.023 0.58 0.016 0.41
FIT-221-1/16 0.063 1.60 0.031 0.79 0.017 0.43
FIT-221-3/32 0.093 2.36 0.046 1.17 0.020 0.51
FIT-221-1/8 0.125 3.18 0.062 1.57 0.020 0.51
FIT-221-3/16 0.187 4.75 0.093 2.36 0.020 0.51
FIT-221-1/4 0.250 6.35 0.125 3.18 0.025 0.64
FIT-221-3/8 0.375 9.53 0.187 4.75 0.025 0.64
FIT-221-1/2 0.500 12.70 0.250 6.35 0.025 0.64
FIT-221-3/4 0.750 19.05 0.375 9.53 0.030 0.76
FIT-221-1IN 1.000 25.40 0.500 12.70 0.035 0.89
FIT-221-1-1/2 1.500 38.10 0.750 19.05 0.040 1.02
FIT-221-2IN 2.000 50.80 1.000 25.40 0.045 1.14
FIT-221-3IN 3.000 76.20 1.500 38.10 0.050 1.27
FIT-221-4IN 4.000 101.60 2.000 50.80 0.055 1.40