FIT® Heat-Shrink Tubing
Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
447
FIT® Heat-Shrink Tubing
W
hether your concerns are
mechanical strain relief,
environmental sealing,
or organizing wires, Alpha Wire’s
FIT heat-shrink tubing is ideal for
solving many challenges in electrical
and electronic wiring:
•
Protect
substrates from
moisture, UV light, corrosion,
oxidation, dust, chemicals,
abrasion, environmental
conditions, solder joints, and
encapsulates
•
Insulate
wire terminations
and connections, entire printed
circuit boards, from electrical
and environmental conditions
•
Repair
cable splices, insulation
damage and cuts, cable
jackets, and connections,
with permanent or temporary
quick fixes
•
Relieve
strain on cables and
connectors to prevent harmful
flexing or bending
•
Bundle and organize
wire
harness, cable, tubing, and hose
dressing on OEM equipment,
breakouts, bundle in small
spaces, conform to odd shapes
•
Seal
connections, backshells,
and other gaps from moisture
and other contaminants
•
Identify
circuits through color
coding, grouping, and labeling
FIT heat-shrink products
Our FIT heat-shrink tubing offers
a reliable way to protect and
seal terminations or add additional
mechanical ruggedness. FIT
preferred heat-shrink products are
made from premium compounds
under the tightest manufacturing
controls. This means FIT tubing
consistently provides excellent
physical characteristics such as
low longitudinal shrinkage and
wide temperature ranges while
providing an elegant appearance
when used alone or on OEM
equipment.
The FIT line consists of various
tubing types, each designed
with unique attributes that offer
tubing solutions for the broadest
possible range of applications
and environments. FIT products
are always in stock and come
in an unprecedented variety of
package sizes.
Beyond the widely used polyolefin
tubing that is suited to the
broadest range of general-purpose
needs, we offer a number of other
materials for higher or lower shrink
temperatures, wider operating
temperatures, and such special
needs as outstanding chemical
resistance or increased flexibility.
448
Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
Material
Cross-linked polyolefin
Flame-retardant
cross-linked polyolefin
Cross-linked polyolefin
Semirigid cross-linked
polyolefin
Surface cross-linked,
dual extruded
Bonding, thermoplastic
adhesive lined
Bonding, adhesive
lined
Features
Shrink Temperature
Shrink Ratio (approx.)
2:1
4:1
2:1
3:1
2:1
2:1
2.5:1
3:1
5.6:1
3:1
2:1
FIT Family
FIT-221
FIT-421
FIT-221V
FIT-321V
FIT-260
FIT-295
FIT-300
FIT-321
FIT-621
FIT-700
FIT-750
Single-Wall Cross-linked Polyolefin for General-Purpose Use
90°C
General-purpose heat-shrink tubing
Range of shrink ratios
90°C
90°C
Low shrink temp
Passes UL VW-1 flame test
90°C
Approved for 600-V ground lead identification
Green with yellow stripe
90°C
Passes UL VW-1 flame test
30% stronger and 25% stiffer than
110°C
standard polyolefin
Dual-Wall Polyolefin for Additional Sealing
140°C
Meltable inner wall to encapsulate
110°C
without adhesive
121°C
Bonds to most materials
120°C
High voltage: to 2 kV at 90°C continuous use
Permanent water and corrosion protection
110°C
Irradiated PVC
Cross-linked PVDF
FEP
PTFE
Chlorinated
polyolefin
Flexible
fluoroelastomer
Polyethylene/
polyester
Cross-linked silicone
rubber
Cross-linked PVDF
Special-Application Tubing
Low shrink temperature
Passes UL VW-1 flame test
100°C
30% stronger than standard polyolefin
High shrink temperature
Fast recovery time
Excellent chemical, heat, and flame resistance
170°C
Passes UL VW-1 flame test
3x the tensile strength of standard polyolefin
High shrink temperature
Excellent chemical resistance
200°C
Excellent dielectric properties
Thinnest wall thickness available
High shrink temperature
Excellent chemical resistance
250°C
Excellent dielectric properties
Very thin wall thickness
Highly flexible
Oil and abrasion resistant
130°C
Passes UL VW-1 flame test
High shrink temperature
Excellent chemical resistance
120°C
Flexible
Superior abrasion resistance
Excellent flexibility
80°C
Resists harsh environments
High flexibility available
Pliable
200°C
Scrape abrasion resistant
Passes UL VW-1 flame test
Transparent after shrink
Fast recovery time
Excellent chemical, heat, and flame resistance
150°C
Passes UL VW-1 flame test
2x the tensile strength of standard polyolefin
2:1
FIT-105
2:1
FIT-350
1.2:1
FIT-400
1.5:1
FIT-500
2:1
2:1
2:1
FIT-600
FIT-650
FIT-FABRIC
1.7:1
FIT-FLEX
2:1
FIT-CLEAR
Heat Guns
Alpha heat guns are the perfect
complement to our tubing, making
it easy to apply FIT heat-shrink
tubing quickly and efficiently.
The lightweight, durable guns are
designed to make application of
heat-shrink tubing fast and reliable.
They are well suited to both
industrial production and field use.
Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
449
FIT > FIT Heat-Shrink Tubing
Heat-Shrink Tubing
FIT®-105 Heat-Shrink Tubing
2:1 Shrink Ratio, Irradiated PVC
Operating Temperature
• -20°C to +105°C
Shrink Temperature
• 100°C min.
• 105°C full recovery
Chemical Properties
•
•
•
•
Corrosive effect: none
Fungus resistance: no growth
Water absorption: 1.0% max.
Lead free
Electrical Properties
• 600 V (UL, CSA)
• Dielectric strength: 1083 V/mil
(426.3 kV/cm)
• Volume resistivity: 10
12
ohm-cm
Availability
See table
Spools may contain multiple
lengths
AMS DTL-23053/2 Class 1
(except longitudinal
shrinkage)
UL 224 VW-1
CSA 198
• Low shrink temperature
• Fast recovery time
• 30% stronger than standard
polyolefin
• Low water absorption
• UV resistant
Material
• Irradiated PVC
Color
• Black
Physical Properties
• Tensile strength: 3000 psi
(20.68 N/mm
2
)
• Elongation: 300% min
• Longitudinal change: +1%/-25%
• Specific gravity: 1.32
• Flame retardant
• Shelf life: 1 year at 18°C to 35°C
Recovered ID, Max.
Inch
0.023
0.031
0.046
0.062
0.093
0.125
0.187
0.250
0.375
0.500
0.750
mm
0.58
0.79
1.17
1.57
2.36
3.18
4.75
6.35
9.53
12.70
19.05
Recovered
Wall Thickness, Nom.
Inch
mm
0.020
0.51
0.020
0.51
0.020
0.51
0.025
0.64
0.025
0.64
0.025
0.64
0.030
0.76
0.030
0.76
0.035
0.89
0.040
1.02
0.045
1.14
Part No.
FIT-105-3/64
FIT-105-1/16
FIT-105-3/32
FIT-105-1/8
FIT-105-3/16
FIT-105-1/4
FIT-105-3/8
FIT-105-1/2
FIT-105-3/4
FIT-105-1IN
FIT-105-1-1/2
Supplied ID, Min.
Inch
0.046
0.062
0.093
0.125
0.187
0.250
0.375
0.500
0.750
1.000
1.500
mm
1.17
1.57
2.36
3.18
4.75
6.35
9.53
12.70
19.05
25.40
38.10
Availability
Ft
25, 100, 500, 1000
25, 100, 500, 1000
25, 100, 1000
25, 100, 1000
25, 100, 1000
25, 100, 1000
25, 100, 500
25, 100, 250
25, 100, 250
25, 100, 250
25, 100
m
7.6, 30.5, 152, 305
7.6, 30.5, 152, 305
7.6, 30.5, 305
7.6, 30.5, 305
7.6, 30.5, 305
7.6, 30.5, 305
7.6, 30.5, 152
7.6, 30.5, 76.2
7.6, 30.5, 76.2
7.6, 30.5, 76.2
7.6, 30.5
Packaged Assortments
Assorted sizes of 6”
(15 cm) lengths
FIT-105-MS-1
Contents
FIT-105-3/64
FIT-105-1/16
FIT-105-3/32
FIT-105-1/8
FIT-105-3/16
FIT-105-1/4
Tubing Size
Inch
mm
0.046
1.17
0.062
1.57
0.093
2.36
0.125
3.18
0.187
4.75
0.250
6.35
Quantity
10
10
10
10
10
10
FIT-105-MS-2
Contents
FIT-105-3/8
FIT-105-1/2
FIT-105-3/4
FIT-105-1 IN
Tubing Size
Inch
mm
0.375
9.53
0.500 12.70
0.750
19.05
1.000 25.40
Quantity
10
10
10
10
450
Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
FIT > FIT Heat-Shrink Tubing
Heat-Shrink Tubing
FIT®-221 Heat-Shrink Tubing
2:1 Shrink Ratio, XLPO
Operating Temperature
• -55°C to +135°C
• -55°C to +125°C (UL, CSA)
Shrink Temperature
• 90°C min.
• 121°C full recovery
• 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, next page
Spools may contain multiple
lengths
Recovered Wall Thickness, Nom.
Inch
mm
0.016
0.41
0.017
0.43
0.020
0.51
0.020
0.51
0.020
0.51
0.025
0.64
0.025
0.64
0.025
0.64
0.030
0.76
0.035
0.89
0.040
1.02
0.045
1.14
0.050
1.27
0.055
1.40
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)
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%
Part No.
FIT-221-3/64
FIT-221-1/16
FIT-221-3/32
FIT-221-1/8
FIT-221-3/16
FIT-221-1/4
FIT-221-3/8
FIT-221-1/2
FIT-221-3/4
FIT-221-1IN
FIT-221-1-1/2
FIT-221-2IN
FIT-221-3IN
FIT-221-4IN
Supplied ID, Min.
Inch
mm
0.046
1.17
0.063
1.60
0.093
2.36
0.125
3.18
0.187
4.75
0.250
6.35
0.375
9.53
0.500
12.70
0.750
19.05
1.000
25.40
1.500
38.10
2.000
50.80
3.000
76.20
4.000
101.60
Recovered ID, Max.
Inch
mm
0.023
0.58
0.031
0.79
0.046
1.17
0.062
1.57
0.093
2.36
0.125
3.18
0.187
4.75
0.250
6.35
0.375
9.53
0.500
12.70
0.750
19.05
1.000
25.40
1.500
38.10
2.000
50.80
Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
451
Test/Measurement
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