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#SH721 Viton® Heat Shrink Tubing AMS-DTL-23053/13 (MIL-DTL-23053/13)


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2:1 Shrink Ratio, Fluoroelastomer Tubing, Flexible, High Temperature, Chemical and Abrasion Resistant 

 

 

Description

 

 

Daburn SH721 is a heat shrinkable, flexible, fluoroelastomer tubing that is used in high temperature applications or where exposure to high temperatures and aggressive solvents is expected and flexibility is desired.  It is widely used in hydraulic equipment, aircraft manufacture and ship building. 

 

 

Features

 

·         Shrink ratio: 50% or more in the radial direction, 20% or less in the axial direction

·         Shrink temperature 175 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

 

 

 

Expanded

Recovered

 

 

  Catalog  
Number

Internal Diameter

(Minimum)

(D)

Internal Diameter

(Maximum)

(d)

Minimum Total
 Wall Thickness
 (t)

AMS-DTL-

MIL-DTL-

Inches

mm

Inches

mm

Inches

mm

Specification

SH721-1/8

0.125

3.4

0.063

1.6

0.048

0.65

23053/13-012

SH721-3/16

0.187

4.7

0.094

2.4

0.028

0.72

23053/13-001

SH721-1/4

0.250

6.4

0.125

3.2

0.028

0.72

23053/13-002

SH721-3/8

0.375

9.5

0.187

4.7

0.028

0.72

23053/13-003

SH721-1/2

0.500

12.7

0.250

6.4

0.028

0.72

23053/13-004

SH721-5/8

0.625

15.9

0.312

7.9

0.034

0.90

23053/13-005

SH721-3/4

0.750

19.1

0.375

9.5

0.034

0.90

23053/13-006

SH721-7/8

0.875

22.2

0.437

11.1

0.038

0.92

23053/13-007

SH721-1”

1.000

25.4

0.500

12.7

0.038

0.92

23053/13-008

SH721-1 1/4

1.125

31.8

0.625

15.9

0.040

1.02

23053/13-009

SH721-1 1/2

1.500

38.1

0.750

19.1

0.040

1.02

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. Dont keep package over 8 hours at temperature exceeding 40°C (104°F).
 
 
 Specification/Test Values

 

Property

Test Method

Value

 

 

 

 

 

 

Physical

 

 

Unaged

Tensile strength

 

 

ASTM-D412

Min. 1,200 psi

Elongation

Min. 250%

Tensile stress

@ 200% elongation

 

Max. 2,000 psi

 

Aged

Tensile strength

ASTM-D412

25C/168 hrs

Min. 1,200 psi

Elongation

Min. 200%

Fluid

Resistance

Tensile strength

ASTM-D412

25C/168 hrs

Min. 1,200 psi

Elongation

Min. 250%

Heat shock

300°C/4 hrs

No cracking, flowing or dripping

Cold bend

- 40°C/4 hrs

No cracking

Voltage withstand

2kV/1min

Pass

 

Electrical

Dielectric strength

ASTM-D2671

Min. 200 volts/mil

Volume resistivity

ASTM-D876

Min. 109W - cm

 

 

Chemical

Copper corrosion

175°C/16 hrs

No pitting or corrosion

Fungus resistance

ASTM G21

No growth

Water absorption

ASTM-D570

Max 0.5

Flammability

ASTM-D2671

Pass

 

           Rev. May 2011

* Test Fluids:          Hydraulic Fluid petroleum base                    MIL-H-5606

                                  JP-8                                                                    MIL-T-5624

                                  Lubricating Oil                                                  MIL-L-7808

                                  Lubricating Oil                                                  MIL-L-23699

                                  5 percent NaCI                                                A-A-694

                                  Deicing Fluid                                                    MIL-A-8243

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