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Neoprene® Heat Shrink Tubing

Military-Grade Heat Shrink for the Ultimate Protection in Automotive & Aerospace Projects

H2X0.25BK
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What's special about Neoprene?

  • Resists lubricating oil, aviation and ground-vehicle fluids, and hydraulic fluids.
  • Made to meet aspects of MIL-I-23053/1 specs.
  • Excellent for cable harnesses and wire bundles in military and aerospace industries.
  • Click for More Features
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  • RoHS Compliant

Other sizes available upon request with a ship time up to 2 months. Please call for availability
Custom Sizes and Cut Pieces are NON-RETURNABLE and NON-REFUNDABLE

Part # Nominal Size Size After Shrinkage Spool Length Weight Color Price
H2X0.25BK 0.25" 0.125" 250 ft. 3.8 lbs Black
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Manufacturer Direct
H2X0.38BK 0.375" 0.187" 100 ft. 2.5 lbs Black
Qty:  
Manufacturer Direct
H2X0.50BK 0.50" 0.25" 100 ft. 3.5 lbs Black
Qty:  
Manufacturer Direct
H2X0.75BK 0.75" 0.375" 100 ft. 6 lbs Black
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Manufacturer Direct
H2X1.00BK 1" 0.50" 100 ft. 8.5 lbs Black
Qty:  
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For Neoprene® Technical Specifications, click here
For Military Specifications and a manufacturers' cross reference, click here

Our Chlorinated Elastomer (Neoprene®) heat shrink tubing is used for insulation, strain relief, and abrasion protection on cable harnesses and wire bundles in military and aerospace industries. It provides fluid and solvent resistance, including lubricating oil, aviation and ground-vehicle fuels and hydraulic fluids. Neoprene remains flexible at low temperatures.

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

 

  • Operating temperature -75°C to 120°C (-103°F to 248 °F)
  • Shrink ratio: 2:1 in the radial direction
  • Minimum shrink temperature: 135 °C
  • Flammability: MIL-I-23053/1 Class 1 and Class 2
  • Meets all aspects of MIL-I-23053/1 specifications
  • Measurement Conversion Chart

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    shrink ratio drawing

    SIZE EXPANDED RECOVERED
    Internal Diameter Min.
    (D)    		 Internal Diameter Max.
    (d)    		 Min.Total Wall Thickness
    (t)
    inch in. mm in. mm in. mm
    1/4" 0.251 6.4 0.125 3.18 0.031 0.80
    3/8" 0.378 9.6 0.187 4.75 0.035 0.90
    1/2" 0.500 12.7 0.250 6.35 0.041 1.05
    3/4" 0.752 19.31 0.375 9.53 0.057 1.45
    1" 1.0 25.4 0.500 12.7 0.067 1.70

     

    Specification Values

    Properties
    Test Methods
    Values
    Physical Unaged Tensile strength ASTM D 638 Min 1.1 kgf/mm²
    Elongation Min 250%
    Aged Tensile strength ASTM D 638
    150° C / 168hrs    		 Min 0.85 kgf/mm²
    Elongation Min 200%
    Density ASTM D-792 Max 1.40 g/cm² @23°C
    Heat shock MIL-I-23053 Pass @ 200° C x 4hrs
    Low temperature flex MIL-I-23053 No crack @ -75° C
    Electrical Dieletric strength ASTM D 876 Min 300V / mil
    Volume resistivity ASTM D 876 Min 1x1011Ω - cm
    Chemical Copper corrosion MIL-I-23053
    150° C / 16hrs    		 No corrosion
    Fluid resistance
    Tensile strength
    Elongation
    Dielectric strength    		 MIL-I-23053
    23° C / 24hrs
    Min 0.85 kgf/mm²
    Min 200%
    Min 250V/mil
    Flammability MIL-I-23053 Pass
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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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