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2:1 Neoprene Heat Shrink Tubing - Flame Retardant

Available From 1/8" To 1-1/2" Inside Diameter

Neoprene Flame Retardant Heat Shrink Features

  • Shrink Ratio: 50% or More In Radial Direction
  • Operating Temperature Range: -75°C to 120°C
  • Flammability Rating: Mil-I-23053/1 Class 1 and Class 2
  • Minimum shrink temperature: 135°C

Neoprene flame retardant heat shrink tubing is most commonly used for insulation, strain relief, and abrasion protection on cable harnesses and wire bundles in industries such as military and aerospace. Resistant to fluids and solvents such as lubricating oils, aviation, and ground-vehicle fuels and hydraulics. Neoprene remains flexible at low temperatures.

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Please Note: Our Diameters for Heat Shrink Tubing are measured as ROUND TUBE, NOT FLAT.

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Product Specifications

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Properties Test Methods Values
Physical Unaged Tensile Strength ASTM D 638
Min. 1.1kgf/mm
Elongation Min. 250%
Aged Tensile Strength ASTM D 638
Elongation Min. 200%
Density ASTM D 792 Max. 1.4g/cm @23°C
Heat Shock MIL-I-23053 Pass @200°C x 4hrs
Low Temerature Flex MIL-I-23053 No Crack @-75°C
Electrical Dielectric ASTM D 876 Min. 300V/mil
Volume Resistivity ASTM D 876 Min. 1x10 – cm
Chemical Copper Corrosion MIL-I-23053
No Corrosion

Fluid Resistance
Tensile Strength
Dielectric Strength


Min. 0.85kfg/mm
Min. 200%
Min. 250V/mil
Flammability MIL-I-23053 Pass


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