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#SH421 DAFLON 4:1 Shrinkable PTFE Tubing (MIL-I-23053/12, AMS-DTL-23053/12)
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Product Options
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Description: DAFLON SH421 Shrinkable Teflon® Tubing recovers to approximately 25% of its expanded size when heated to the gel point (621°F). Thus it is now possible to use shrinkable Teflon tubing, with its excellent chemical and physical properties, over objects which require more than the standard 2:1 shrink down ratio.
Note: Tubing should be allowed to recover at least 50%.
Conforms to Mil-I-23053/12, Class 5, and AMS-3584.VW-1.
This series is RoHS compliant.
| DAFLON 4:1 Shrinkable PTFE Tubing |
DABURN
Cat. No. |
Minimum
I.D. As Supplied |
Recovered (After Heating) |
Standard
Package |
MIL. Spec.
23053/12 |
| I.D. Max |
Nom. Wall Thickness* |
| Size |
IN. |
MM. |
IN. |
MM. |
IN. |
MM. |
| SH421-5/64
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5/64"
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0.078
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1.98
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0.025
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0.64
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0.009
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0.23
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100'
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-501
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| SH421-1/8
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1/8"
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0.125
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3.18
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0.038
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0.97
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0.010
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0.25
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100'
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-502
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| SH421-3/16
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3/16"
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0.187
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4.75
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0.050
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1.27
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0.012
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0.30
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100'
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-
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| SH421-1/4
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1/4"
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0.250
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6.35
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0.063
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1.60
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0.012
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0.30
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100'
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-503
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| SH421-5/16
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5/16"
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0.312
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7.92
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0.079
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2.00
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0.012
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0.30
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100'
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-
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| SH421-3/8
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3/8"
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0.375
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9.53
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0.096
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2.44
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0.012
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0.30
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100'
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-504
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| SH421-1/2
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1/2"
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0.500
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12.7
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0.144
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3.66
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0.015
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0.39
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100'
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-505
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| SH421-5/8
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5/8"
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0.625
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15.88
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0.178
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4.52
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0.015
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0.39
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100'
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-506
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| SH421-3/4
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3/4"
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0.750
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19.05
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0.225
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5.72
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0.015
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0.39
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100'
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-507
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| SH421-7/8
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7/8"
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0.872
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22.23
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0.244
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6.20
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0.015
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0.39
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100'
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-
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| SH421-1"
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1"
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1.000
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25.40
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0.278
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7.06
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0.015
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0.39
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100'
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-508
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| SH421-1 1/4"
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1 1/4"
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1.250
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31.75
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0.347
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8.81
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0.015
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0.39
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100'
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-509
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*When full recovery is allowed.
® Dupont
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Standard Package: |
100' in 2-4 ft lengths. Tubing may be ordered cut to length.
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Standard Color: |
Natural (clear).
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| Properties |
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Operating Temperature: |
-75°C TO +250°C/-85°F to +500°F
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Shrinking Temperature Nom: |
327°C/621°F
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Shrink Ratio: |
4:1
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Longitudinal Change, Max.: |
+20%
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