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WS403 is a flame-retardant, flexible crosslinked polyolefin with a thick inner wall of adhesive. It offers a meltable inner liner that both bonds and encapsulates for those applications where the highest possible moisture barrier is required along with superior strain relief.
Unit of Measure


Operating Temperature

N/A -55 to +110 ºC

Shrink Ratio

N/A 3:1 at 120ºC

Certified To

N/A MIL-DTL-23053/4, CL-3


N/A 1/4

Min. Inside Diameter As Supplied

N/A 0.250 in6.40 mm

Max. Inside Diameter After Recovery

N/A 0.080 in2.00 mm

Nom. Wall Thickness After Recovery

N/A 0.045 in1.15 mm


N/A Black


N/A 4 feet Lengths


N/A All other colors are special order.