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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Material Features Shrink Temperature Shrink Ratio (approx.) FIT Family
Single-Wall Cross-linked Polyolefin for General-Purpose Use
Cross-linked polyolefin
General-purpose heat-shrink tubing
Range of shrink ratios
90°C 2:1 FIT-221
90°C 4:1 FIT-421
Flame-retardant
cross-linked polyolefin
Low shrink temp
Passes UL VW-1 flame test
90°C 2:1 FIT-221V
90°C 3:1 FIT-321V
Cross-linked polyolefin
Approved for 600-V ground lead identification
Green with yellow stripe
Passes UL VW-1 flame test
90°C 2:1 FIT-260
Semirigid cross-linked
polyolefin
30% stronger and 25% stier than
standard polyolefin
110°C 2:1 FIT-295
Dual-Wall Polyolefin for Additional Sealing
Surface cross-linked,
dual extruded
Meltable inner wall to encapsulate
without adhesive
140°C 2.5:1 FIT-300
110°C 3:1 FIT-321
121°C 5.6:1 FIT-621
Bonding, thermoplastic
adhesive lined
Bonds to most materials
High voltage: to 2 kV at 90°C continuous use
120°C 3:1 FIT-700
Bonding, adhesive
lined
Permanent water and corrosion protection 110°C 2:1 FIT-750
Special-Application Tubing
Irradiated PVC
Low shrink temperature
Passes UL VW-1 flame test
30% stronger than standard polyolefin
100°C 2:1 FIT-105
Cross-linked PVDF
High shrink temperature
Fast recovery time
Excellent chemical, heat, and flame resistance
Passes UL VW-1 flame test
3x the tensile strength of standard polyolefin
170°C 2:1 FIT-350
FEP
High shrink temperature
Excellent chemical resistance
Excellent dielectric properties
Thinnest wall thickness available
200°C 1.2:1 FIT-400
PTFE
High shrink temperature
Excellent chemical resistance
Excellent dielectric properties
Very thin wall thickness
250°C 1.5:1 FIT-500
Chlorinated
polyolefin
Highly flexible
Oil and abrasion resistant
Passes UL VW-1 flame test
130°C 2:1 FIT-600
Flexible
fluoroelastomer
High shrink temperature
Excellent chemical resistance
Flexible
120°C 2:1 FIT-650
Polyethylene/
polyester
Superior abrasion resistance
Excellent flexibility
Resists harsh environments
80°C 2:1 FIT-FABRIC
Cross-linked silicone
rubber
High flexibility available
Pliable
Scrape abrasion resistant
Passes UL VW-1 flame test
200°C 1.7:1 FIT-FLEX
Cross-linked PVDF
Transparent after shrink
Fast recovery time
Excellent chemical, heat, and flame resistance
Passes UL VW-1 flame test
2x the tensile strength of standard polyolefin
150°C 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 eciently.
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.