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#SM450 Dual-Wall Shrinkable PTFE Encapsulating Tubing·


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Daburn Catalog #:
Description: DAFLON SM450 is a dual wall shrink and melt PTFE tubing which gives a tight, moisture-proof seal. It is made from two types of PTFE. The outer wall is TFE and the inner lining is FEP. When heated to 400°F, the FEP melts, and at 621°F the TFE wall shrinks tightly. The FEP is squeezed into a solid or near solid mechanical encapsulation.

DAFLON SM450 tubing protects against most environmental hazards involving pull, vibration, moisture, chemicals, etc. It may be used over wires, terminals, splices, connectors and as a strain relief and end cap.

The outer wall meets MIL-I-23053/12.  PTFE resins meet UL94 V-0.

Operating Temperature: -100 to +450°F.

This series is RoHS compliant.

Dual-Wall PTFE Encapsulating Shrinkable Tubing
DABURN
Cat. No.
Minimum
I.D. As Supplied
Recovered (After Heating)Standard
Package
I.D. Max.Nom. Wall Thickness
SizeIN.MM.IN.MM.IN.MM.
SM450-1 1/32" 0.036 0.91 .000** 0 0.022 0.56 100'
SM450-2 1/16" 0.060 1.52 .000** 0 0.028 0.71 100'
SM450-3 1/8" 0.130 3.30 .000** 0 0.031 0.79 100'
SM450-4 5/32" 0.160 4.06 .000** 0 0.032 0.81 100'
SM450-5 3/16" 0.190 4.83 0.062 1.57 0.035 0.89 100'
SM450-7 1/4" 0.250 6.35 0.125 3.18 0.036 0.91 100'
SM450-9 11/32" 0.350 8.89 0.190 4.83 0.036 0.91 100'
SM450-11 7/16" 0.450 11.43 0.312 7.92 0.055 1.40 100'
SM450-13 11/16" 0.700 17.78 0.440 11.18 0.055 1.40 100'
SM450-16 1" 0.950 24.13 0.680 17.27 0.065 1.65 100'

** Will fully close off.

Standard Package:
100 Ft. in 1 to 3 ft. lengths. Special lengths available to order.
Standard Color:
Natural.

PROPERTIES
Operating Temperature:
-75°C To +231°C
Shrinkage Temperature Nom:
327°C/621°F
Shrink Ratio:
1.4 To 1
Longitudinal Change.
Max.: ±10%

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