Heat-shrink tubing – Northern Connectors Alpha Wire FIT Heat-Shrink Tubing User Manual
Page 7
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FIT > FIT Heat-Shrink Tubing
Heat-Shrink Tubing
FIT®-221B Heat-Shrink Tubing
2:1 Shrink Ratio, XLPO, Bulk Packaging
Part No.
Supplied ID, Min.
Recovered ID, Max.
Recovered Wall Thickness, Nom.
Inch
mm
Inch
mm
Inch
mm
FIT-221B-3/64
0.046
1.17
0.023
0.58
0.016
0.41
FIT-221B-1/16
0.063
1.60
0.031
0.79
0.017
0.43
FIT-221B-3/32
0.093
2.36
0.046
1.17
0.020
0.51
FIT-221B-1/8
0.125
3.18
0.062
1.57
0.020
0.51
FIT-221B-3/16
0.187
4.75
0.093
2.36
0.020
0.51
FIT-221B-1/4
0.250
6.35
0.125
3.18
0.025
0.64
FIT-221B-3/8
0.375
9.53
0.187
4.75
0.025
0.64
FIT-221B-1/2
0.500
12.70
0.250
6.35
0.025
0.64
FIT-221B-3/4
0.750
19.05
0.375
9.53
0.030
0.76
FIT-221B-1IN
1.000
25.40
0.500
12.70
0.035
0.89
Part No.
Spools
(Length x No. of Spools)
Qty, Cut Pieces at
Length
Ft
m
4 ft (1.2 m)
FIT-221B-3/64
1000 x 3
305 x 3
250
FIT-221B-1/16
1000 x 3
305 x 3
250
FIT-221B-3/32
500 x 3
152 x 3
250
FIT-221B-1/8
500 x 3
152 x 3
250
FIT-221B-3/16
500 x 2
152 x 2
250
FIT-221B-1/4
250 x 2
76.2 x 2
250
FIT-221B-3/8
200 x 2
60.9 x 2
250
FIT-221B-1/2
150 x 2
45. 7 x 2
200
FIT-221B-3/4
250 x 1
250 x 2
76.2 x 1
76.2 x 2
125
FIT-221B-1IN
250 x 1
76.2 x 1
75
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 shrink temperature
• Fastest recovery time
• 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
Colors
• Black, blue, clear
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 effect: 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
Spools may contain multiple
lengths
Availability