Shrinkflex® 2:1 Kynar Heatshrink Tubing

Low Outgassing, Chemical Resistant Heatshrink Tubing.


H2K0.05-500FT
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What's special about 2:1 Kynar Heatshrink Tubing?

  • 350°F Shrink Temp.
  • RoHS, UL94, VW-1, CSA Certified
  • UV and Gamma Radiation Resistant
  • 2:1 Shrink Ratio
  • Highly Chemical Resistant
  • High-grade polyvinylidene fluoride (PVDF) material provides cables, splices, and connectors with excellent protection from abrasion, cut-through, fluids, and high temperatures.
  • Shrinks and matches the contours of uneven connectors to provide an encapsulating effect that helps keep out moisture while preventing the device from cutting-through the material.
  • Meets MIL-DTL-23053/8 specification to ensure material is safe and reliable for use in military applications requiring heat shrink tubing protection.
  • Click for More Features
  •  
  • CSA Approved

When it comes to protecting exposed wires and connectors from outside elements, there are many suitable options available, such as electrical tape and polyolefin heat shrink. These products are great for applications requiring minor protection or a cosmetic touch-up, but will ultimately fail under extreme conditions. Kynar® 2 to 1 Heat Shrink Tubing is a semi-rigid material with excellent abrasion, chemical, flammability, cut through, and high temperature resistance properties, which makes it ideal for some of the worst environmental, military, or industrial applications.

Please call for immediate availability. 3 week ship time if not in stock.

2:1 Kynar Heatshrink - Spools
Color Part # Description Price
H2K0.05-500FT3/64" 2:1 Kynar Heatshrink Tubing - 500 FT
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H2K0.06-500FT1/16" 2:1 Kynar Heatshrink Tubing - 500 FT
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H2K0.09-500FT3/32" 2:1 Kynar Heatshrink Tubing - 500 FT
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H2K0.13-500FT1/8" 2:1 Kynar Heatshrink Tubing - 500 FT
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H2K0.19-250FT3/16" 2:1 Kynar Heatshrink Tubing - 250 FT
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H2K0.25-250FT1/4" 2:1 Kynar Heatshrink Tubing - 250 FT
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H2K0.38-200FT3/8" 2:1 Kynar Heatshrink Tubing - 200 FT
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H2K0.50-200FT1/2" 2:1 Kynar Heatshrink Tubing - 200 FT
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H2K0.75-100FT3/4" 2:1 Kynar Heatshrink Tubing - 100 FT
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H2K1.00-100FT1" 2:1 Kynar Heatshrink Tubing - 100 FT
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2:1 Kynar Heatshrink - 4ft sticks
Part # OD Length Qty Unshrunk
Diameter
Shrunk
Diameter
Price
HS2-KYS-005 3/64" 4 FT 25 Pieces 0.05"
1.2mm
0.02"
0.6mm
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Manufacturer Direct
HS2-KYS-006 1/16" 4 FT 25 Pieces 0.06"
1.6mm
0.03"
0.8mm
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Manufacturer Direct
HS2-KYS-009 3/32" 4 FT 25 Pieces 0.09"
2.4mm
0.04"
1.2mm
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Manufacturer Direct
HS2-KYS-013 1/8" 4 FT 25 Pieces 0.13"
3.2mm
0.06"
1.6mm
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Manufacturer Direct
HS2-KYS-019 3/16" 4 FT 25 Pieces 0.19"
4.8mm
0.09"
2.4mm
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Manufacturer Direct
HS2-KYS-025 1/4" 4 FT 25 Pieces 0.25"
6.4mm
0.13"
3.2mm
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Manufacturer Direct
HS2-KYS-038 3/8" 4 FT 25 Pieces 0.38"
9.5mm
0.19"
4.7mm
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Manufacturer Direct
HS2-KYS-050 1/2" 4 FT 25 Pieces 0.50"
12.7mm
0.25"
6.4mm
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Manufacturer Direct
HS2-KYS-075 3/4" 4 FT 25 Pieces 0.75"
19.1mm
0.38"
9.5mm
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Manufacturer Direct
HS2-KYS-100 1" 4 FT 25 Pieces 1.00"
24.4mm
0.50"
12.7mm
Qty:  
Manufacturer Direct

Kynar heatshrink tubing is is a thin-walled heat shrinkable tubing engineered from Polyvinylidene Fluoride (PVDF) polymer. Kynar is used in plenum applications where resistance to high temperature and extremely low outgassing are the primary requirements. Kynar is also very resistant to chemical damage, abrasion and cut-through.

Shrinkflex 2:1 Kynar semi-rigid heatshrink tubing is available in a wide range of sizes cut to 4 foot strips, in either Black or Clear.

Kynar Heat Shrink is RoHS (Restriction of Hazardous Substances) Compliant (PDF) PDF

  • Approved for Plenum Applications
  • Operating Temperature Range: -67° to 347°F (-55° to 175°C.)
  • Shrink Ratio: 2:1
  • Colors: Black & Clear
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    2:1 Semi-Rigid PVDF Dimensions
    Minimum Shrink Temperature: 150 °C

    SIZE
    (In.)
    EXPANDED RECOVERED
    MINIMUM INTERNAL DIAMETER MAXIMUM INTERNAL DIAMETER MINIMUM TOTAL WALL THICKNESS
    in. mm in. mm in. mm
    3/64" 0.047 1.2 0.023 0.58 0.007 0.180
    1/16" 0.063 1.6 0.031 0.79 0.007 0.180
    3/32" 0.094 2.4 0.046 1.17 0.010 0.250
    1/8" 0.125 3.2 0.062 1.57 0.010 0.250
    3/16" 0.188 4.8 0.093 2.36 0.010 0.250
    1/4" 0.251 6.4 0.125 3.18 0.010 0.250
    3/8" 0.377 9.6 0.187 4.75 0.011 0.279
    1/2" 0.503 12.8 0.250 6.35 0.011 0.279
    3/4" 0.759 19.3 0.375 9.53 0.014 0.356
    1" 1.000 25.6 0.500 12.7 0.016 0.406

     

    2:1 Kynar Heatshrink Dimensions
    Minimum Shrink Temperature: 125°C

    SIZE
    (In.)
    EXPANDED RECOVERED
    MINIMUM INTERNAL DIAMETER MAXIMUM INTERNAL DIAMETER MINIMUM TOTAL WALL THICKNESS
    in. mm in. mm in. mm
    3/64" 0.047 1.2 0.023 0.58 0.008 0.203
    1/16" 0.063 1.6 0.031 0.79 0.008 0.203
    3/32" 0.094 2.4 0.046 1.17 0.009 0.229
    1/8" 0.125 3.2 0.062 1.57 0.009 0.229
    3/16" 0.188 4.8 0.093 2.36 0.009 0.229
    1/4" 0.251 6.4 0.125 3.18 0.011 0.279
    3/8" 0.377 9.6 0.187 4.75 0.011 0.279
    1/2" 0.503 12.8 0.250 6.35 0.011 0.279
    3/4" 0.759 19.3 0.375 9.53 0.014 0.356
    1" 1.000 25.6 0.500 12.7 0.016 0.406

     

    Kynar® Specification Values

    PROPERTY
    TEST METHOD
    VALUE
    Physical Unaged Tensile strength ASTM D 638 Min. 5,000 psi
    Elongation Min. 150%
    Aged Tensile strength 180° C / 168 hrs Min. 70% of the value of unaged specimens
    Elongation
    Deformation 150° C / 1 hr Max. 50%
    Heat shock 300° C / 4 hrs No cracking, flowing or dripping
    Cold bend -55° C / 4 hrs No cracking
    Flexibility 180° C / 168 hrs No cracking
    Secant modulus 2% strain Min. 120,000 psi
    Electrical Dielectric strength Room Temp. Min. 23.6kV / mm
    Volume resistivity - Min. 10
    Chemical Copper corrosion 180° C / 168 hrs No corrosion
    Copper stability 180° C / 168 hrs No sign of degradation
    Flammability VW-1 Pass


    View Measurement Conversion Chart

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    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.


    MATERIAL ALTERNATE NAME LOI CATEGORY
    ECTFE (Ethylene chlorotrifluoroethylene) Halar 64% Self Extinguishing
    Nomex N/A 28% Slow Burning
    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
    Polyethylene (PE) N/A 17% Flammable
    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

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