#SH721 Viton® Heat Shrink Tubing (AMS-DTL-23053/13 (MIL-DTL23053/13)
2:1 Shrink Ratio,
Fluoroelastomer Tubing
Flexible
High Temperature
Chemical an d Abrasion Resistant
Applications
Daburn SH721 is a heat shrinkable, flexible, fluoroelastomer sleeving that is used in high
temperature applications or where exposure to high temperature and aggressive solvents
is expected. It is widely used in hydraulic equipment, aircraft manufacture and ship
building applications.
Features
Shrink ratio: 50% or more in the radial direction, 20% or less in the axial direction
Shrink temperature 175⁰ C
Continuous operating temperature range: - 40°C (-40°F) to 200°C (392°F)
Excellent abrasion protection while maintaining flexibility at high temperatures
High resistance to chemicals and oils
AMS-DTL-23053/13 (Formerly MIL-DTL-23053/13)
RoHS Compliant
Specification/Test Values
Property
Physical
Electrical
Chemical
Test Method
Tensile strength
gElongation
Unaged
Tensile stress
@ 200% elongation
Tensile strength
Aged
Elongation
Tensile strength
Fluid
Resistance Elongation
Heat shock g
Cold bend
Voltage withstand
Dielectric strength
Volume resistivity
Copper corrosion
Fungus resistance
Water absorption
Flammability
ASTM-D412
Value
Min. 1,200 psi
Min. 250%
Max. 2,000 psi
ASTM-D412
250°C/168 hrs
ASTM-D412
250°C/168 hrs
300°C/4 hrs
- 40°C/4 hrs
2kV/1min
ASTM-D2671
ASTM-D876
175°C/16 hrs
ASTM G21
ASTM-D570
ASTM-D2671
Rev. May 2011
Min. 1,200 psi
Min. 200%
Min. 1,200 psi
Min. 250%
No cracking, flowing or dripping
No cracking
Pass
Min.
V 200 olts/mil
Min. 109 - cm
No pitting or corrosion
No growth
% 0.5
Max
Pass
Recovered
Expanded
Daburn
Part #
SH721-1/8
SH721-3/16
SH721-1/4
SH721-3/8
SH721-1/2
SH721-5/8
SH721-3/4
SH721-7/8
SH721-1”
SH721-1 1/4”
SH721-1 1/2”
Internal Diameter
(Minimum)
m
(D)
Internal Diameter
(Maximum)
(d)
Minimum Total Wall
Thickness
(t)
In.
mm
In.
mm
In.
mm
0.125
0.187
0.250
0.375
0.500
0.625
0.750
0.875
1.000
1.125
1.500
3.4
4.7
6.4
9.5
12.7
15.9
19.1
22.2
25.4
31.8
38.1
0.063
0.094
0.125
0.187
0.250
0.312
0.375
0.437
0.500
0.625
0.750
1.6
2.4
3.2
4.7
6.4
7.9
9.5
11.1
12.7
15.9
19.1
0.048
0.028
0.028
0.028
0.028
0.034
0.034
0.038
0.038
0.040
0.040
0.65
0.72
0.72
0.72
0.72
0.90
0.90
0.92
0.92
1.02
1.02
AMS-DTLMIL-DTL-
23053/13-012
23053/13-001
23053/13-002
23053/13-003
23053/13-004
23053/13-005
23053/13-006
23053/13-007
23053/13-008
23053/13-009
23053/13-010
Standard Color: Black
Standard Put-Ups (Spool Sizes): 25', 50', & 100', also 250' on 1/8", 3/16", & 1/4", & 500' on 1/8". Larger spool
sizes have a discounted price per foot. Please call for other put-ups.
Storage Condition: Keep cool. Don’t keep package over 8 hours at temperature exceeding 40°C (104°F).
* Test Fluids:
Hydraulic Fluid petroleum base
JP-8
Lubricating Oil
Lubricating Oil
5 percent NaCI
Deicing Fluid
MIL-H-5606
Mil-T-5624
Mil-L-7808
MIL-L-23699
A-A-694
Mil-A-8243
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