Information

Alpha Wire | www.alphawire.com | 1-800-52 ALPHA
Specifications subject to change. For complete specifications and availability, visit www.alphawire.com.
465
FIT > FIT Heat-Shrink Tubing
Heat-Shrink Tubing
FIT®-621 Heat Shrink Tubing
5.6:1 Shrink Ratio, Dual-Wall Flexible PO, Adhesive-Lined Inner Thick Wall
• High shrink ratios
• Heavy-duty adhesive lining
• Low water absorption
• Oil resistant
• Chemical resistant
• Abrasion resistant
Operating Temperature
• -55°C to +90°C
Shrink Temperature
• 121°C full recovery
Material
• Polyolefin
Color
Black
Physical Properties
• Tensile strength: 1200 psi
(8.27 N/mm
2
)
• Elongation: 200% min
• Longitudinal change: -10%
• Specific gravity: 1.40
• 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: 750 psi
(5.17 N/mm
2
)
• Halogen free
• Lead free
Electrical Properties
• Dielectric strength: 200 V/mil
(79 kV/cm)
• Volume resistivity: 10
13
ohm-cm
Availability
See table
Part No.
Supplied ID, Min. Recovered ID, Max.
Recovered
Wall Thickness, Nom.
Recovered Adhesive
Wall Thickness, Min.
Availability, Qty, Cut
Pieces at Length
Inch mm Inch mm Inch mm Inch mm 6” (152 mm)
FIT-621-5/8 0.600 15.24 0.150 3.81 0.060 1.52 0.050 1.27 3, 10
FIT-621-1-1/4 1.250 31.75 0.220 5.59 0.060 1.52 0.050 1.27 3, 10
FIT-621-2 2.000 50.80 0.374 9.50 0.106 2.69 0.050 1.27 3, 10, 24
FIT-621-2-1/2 2.500 63.50 0.500 12.70 0.120 3.05 0.050 1.27 3, 10
FIT-621-3 3.000 76.20 0.748 19.00 0.140 3.56 0.050 1.27 3, 10
FIT-621-4 4.000 101.60 0.898 22.81 0.155 3.94 0.050 1.27 3, 10