Item # VF250 on (AMC) Aerospace Materials Corporation


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SUMITUBE K3 is an extremely flexible, transparent, inherently flame retarded heat shrinkable PVDF tubing that meets or exceeds the requirements of AMS-DTL-23053/18, Class 3.
SUMITUBE K3 is tough and abrasion resistant in mechanical environments. It also has excellent resistance to solvents.
Shrink temperature is 90° C. It has the lowest shrink temperature and greatest flexibility of any PVDF type tubing available.
Operating temperature range is -55° C to +150° C.
SUMITUBE K3 is recommended for applications requiring clarity, flexibility and low shrink temperature, combined with the excellent fluid resistant capabilities of fluoropolymers.

Specifications

Size		1/4

Min. Inside Diameter As Supplied		0.250 Inches 6.4 mm

Max. Inside Diameter After Recovery		0.125 Inches 3.2 mm

Nominal Wall Thickness After Recovery		0.010 Inches 0.25 mm

Shrink Ratio		2:1

Operating Temperature Range		-55 to +150 ºC

Military Specification		Lead - Free RoHS Compliant

Color		Clear (C)

Standard Package		Spooled

Physical

Min. Tensile Strength (ASTM D638)		1500 psi

Min. Elongation (ASTM D638)		200 %

Max. Specific Gravity (ASTM D792)		1.9

Low Temperature Flex @ -55° C (AMS-DTL-23053)		No Cracking

Heat Shock @ 275° C, 4 hrs. (AMS-DTL-23053)		No Cracking

Min. Elongation (ASTM D638)		100 %

Max. Secant Modulus (ASTM D882)		2.5 x 10⁴ psi

Longitudinal Change (AMS-DTL-23053)		±10 %

Electrical

Min. Dielectric Strength (ASTM D876)		500 V/mil

Min. Volume Resistivity (ASTM D876)		1.0 x 10¹² ohm-cm

Chemical

Item # VF250