Specialty Tubing

Kynar® Modified Polyvinylidene Fluoride Tubing-2:1

Kynar® clear tubing product is offered in a wide assortment of sizes to be utilized for shrink-​fit protection and strain relief for wires, solder joints, wire terminals, and cable/wire connections. Kynar tubing is ideal for use in electrical wiring applications, such as automotive wiring, jackets, fuse coverings, electric wrap, and military wire markers. Ranging from 3/64” to 2” in size, NP-​350 Kynar tubing meets all required SAE-AMS-​DTL-​23053/8, UL and CSA specifications, and has a shrink ratio of 2:1.

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Kynar® Modified Polyvinylidene Fluoride Tubing-2:1


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Additional Information

Kynar Tubing - Modified Polyvinylidene Fluoride meets the requirements for SAE-​AMS-​DTL-​23053/8 and functional requirements of 23053/1B, Class 1*, AMS-​3532, UL Listed, UL File E-​39100, VW-​1, and CSA LR38227, OFT. With excellent fuel and oil resistances along with its non-​corrosive exterior, this Kynar heat shrink tubing has a 2:1 shrink ratio when heated to a temperature above 347°F (175°C). The environmental operating temperature of this 3/64 modified Polyvinylidene Fluoride is -67°F to 347°F (-55°C to 175°C). This product is available in clear only.

Physical Property

Typical Value-US Units (metric)


Tensile Strength

5500 psi


Ultimate Elongation



Longitudinal Change

+1, -10%


Secant Modulus (2%)

123,000 psi


Specific Gravity



Operating Temp. Range

-55°C to +175°C


Shrink Temperature (max/min)




Self-Extinguish meets UL 224 VW-1 Test


Low Temperature Flexibility (4 hrs @

-55°C )

No Cracking


Volume Resistivity

1014 ohm/cm


Dielectric Strength

900 V/mil


Chemical Property (Test Method)

Typical Value


Corrosive Effect



Fuel & Oil Resistance



Solvent Resistance



Abrasion Resistance

Acids & Alkalis Resistance



Application Specifications


SAE­‐AMS­‐DTL-­‐23053/8; SAE­‐AMS­‐DTL-­‐23053/18; Class 1; AMS-3632; UL File E39100, VW-1; CSA LR38227; OFT; RoHS Compliant