What's special about Viton Heat Shrink?
- High operating temperature (392° F / 200° C) for extreme working conditions.
- Superior protection from highly corrosive acids, fluids, fuels, & solvents keep wire bundles, harnesses, and components safe in aircraft or other machines.
- Meets MIL-DTL-23053/13 and AMS-DTL-23053/13B specifications.
- Protects from abrasion, impacts, & cut-throughs, and flexibility at high and low temperatures, means Viton can be used in almost any aerospace, military, commercial, or industrial application.
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Viton® is a flexible rubber-like fluoroelastomer heat-shrinkable tubing used for protecting wiring, bundling, harnessing and component covers in military and commercial aircraft. It has a superior resistance to highly corrosive fluids, fuels, lubricants, acids and aggressive solvents at low and elevated temperatures up to 200°C. It also provides protection from abrasion, impacts, cut-throughs. It is very flexible at high and low temperatures.
- Aerospace, military, and commercial electronic control systems applications
- Hydraulic fluid transport mechanisms
- Chemical plants
- Environmental protection within engine compartments
- Meets all of the requirements of military specification MIL-DTL-23053/13 AMS-DTL-23053/13B
- SAE-AS81531, NASA SP-R-0022A
- Operating temperature -55°C to 200°C (-67°F to 392 °F) and up to 300°C for short time durations
- Shrink ratio: 2:1
- Minimum shrink temperature: 175°C (347°F)
- Indefinite storage life
- Measurement Conversion Chart
|Internal Diameter Min.
|Internal Diameter Max.
|Min.Total Wall Thickness
|1/8"||0.125" [3.2mm]||0.062" [1.6mm]||0.031" [0.80mm]|
|3/16"||0.187" [4.8mm]||0.093" [2.4mm]||0.035" [0.90mm]|
|1/4"||0.250" [6.4mm]||0.125" [3.2mm]||0.035" [0.90mm]|
|3/8"||0.375" [9.6 5mm]||0.187" [4.8mm]||0.035" [0.90mm]|
|1/2"||0.500" [12.7mm]||0.250" [6.4mm]||0.035" [0.90mm]|
|5/8"||0.625" [15.9mm]||0.312" [7.9mm]||0.042" [1.10mm]|
|3/4"||0.750" [19.1mm]||0.375" [9.5mm]||0.042" [1.10mm]|
|7/8"||0.875" [22.2mm]||0.437" [11.1mm]||0.049" [1.20mm]|
|1"||1.000" [25.4mm]||0.500" [12.7mm]||0.049" [1.20mm]|
|1-1/4"||1.250" [31.8mm]||0.625" [15.9mm]||0.055" [1.40mm]|
|1-1/2"||1.500" [38.1mm]||0.750" [19.1mm]||0.055" [1.40mm]|
|2"||2.000" [50.8mm]||1.000" [25.4mm]||0.065" [1.70mm]|
|Tensile strength (psi)||ASTM D638||1200 min.|
|Elongation (%)||ASTM D638||Min. 250%|
|Tensile strength@ 200% elongation (psi)||ASTM D412||2000 max.|
|Heat shock (300°C, 4 hrs.)||MIL / AMS-DTL-23053||No cracking, no dripping|
|Cold impact (-40°C, 4 hrs.)||ASTM D746||No cracking|
(250°C, 168 hrs.)
|ASTM D638||200 min.|
|Elongation (%)||ASTM D638||200 min.|
|Tensile Strength (psi)||ASTM D638||1200 min.|
|Longitudinal change (%)||MIL-DTL-23053||-20 max.|
|Electrical||Dielectric strength(Volts/mil)||ASTM D876||200 vpm min.|
|Volume resistivity (Ω - cm)||ASTM D876||Min. 1x10¹¹Ω - cm|
|Chemical||Min Copper mirror corrosion
(175°C, 16 hrs.)
|Water absorption (%)||ASTM D570||0.5 max.|
|Fluid resistance (23°C, 24 hrs)|
|Tensile strength (psi)||MIL-DTL-23053||1200 min.|
|Flammability||AMS-DTL-23053||15 sec. max.|
Limiting Oxygen Index (LOI)
The ratio of how much oxygen - as compared to other gases - needs to be present in the air surrounding a particular material in order for that material to burn. The fact that Earth's normal atmospheric air contains around 21% oxygen is used a reference point when materials are classified into burn categories that are based on Limiting Oxygen Index. Substances that are combustible in air containing less than 21% oxygen are considered flammable, while those that burn in the range of anything greater than 21% but less than 28% are typically labeled "slow burning". Any material with an LOI that exceeds 28% is classified as self-extinguishing.
In the table below, you'll find a list of polymers commonly found in our heat shrink tubing and braided sleeving products, along with their LOIs and the burn categories each falls into.
|ECTFE (Ethylene chlorotrifluoroethylene)||Halar||64%||Self Extinguishing|
|Nylon 6:6||N/A||Ranges fron 24-29%||Slow Burning to Self Extinguishing|
|PET (Polyethylene Terephthalate)||Mylar (film), Dacron (fiber)||Ranges from 21-34%||Slow Burning to Self Extinguishing|
|Polypropylene (PP)||polythene (in the UK)||17%||Flammable|
|Polytetrafluoroethylene (PTFE)||Teflon||95%||Self Extinguishing|
|Polyvinyl Chloride (PVC)||N/A||Ranges from 45-49%||Self Extinguishing|
ARTICLES - A place to find educational articles covering a wide range of topics, all categorized according to your areas of interest. Learn more
- Heat Shrink Tubing: How It Was Invented, and Why We Use It
- The Handyman's Guide to Improvisation: 7 New Ways to Use Heat Shrink Tubing
HOW-TO CORNER -
- How to use Heat Shrink Tubing
- Terminate the ends of your Braided Sleeving with Heat Shrink
- How do we measure Heat Shrink?
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