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Summary of Properties Shrink Tube
Explanation of a term kaku Temperature-Shrink Rate kaku Installation of Heat Shrink Tube kaku Summary of Properties, Extruded Fluoropolymers
The table below lists the generally-accepted summary of electrical,mechanical and thermal Properties of flurolymer resins.
Property Unin Test of ASTM TFE PFA FEP
Melting D 3418 327 302-310 265-275
Specific Gravity — D 792 2.14-2.20 2.12-2.17 2.12-2.17
Water Absorption (24Hr.) % D 570 <0.01 <0.03 <0.01
Tensile Strength MPa D 638 27.5-34.3 24.5-34.3 21.6-31.4
Elongation % D 638 200-400 300-400 250-330
Compressive Strength MPa D 695 11.8 16.7 15.2
Impact Strength J/m D 256A 159.8 No Break No Break
Bending Modulus GPa D 790 0.55 0.66-0.69 0.65
Tensile Modulus GPa D 638 0.40-0.55 0.40-0.50 0.34
Hardness (shure) — D 2240 D 50-55 D 60 D 55
Coetticient of Dynamic Friction (0.7Mpa 3m/min) D 1894 0.1 0.2 0.3
Max. Service Temperature No Pressure 260 260 200
Thermal Conductivity W/m•K C 177 0.25 0.25 0.25
Specific Heat J/g•K D 240 1.0 1.0 1.2
Linear Coefficient of Expansion 10-5/K D 696 10 12 8.3-10.5
Ballpressure Temperature — 180 230 170
Deflection Temperature (1.81MPa) D 648 55 50 50
(0.45MPpa) D 648 121 74 72
Linear Coefficient of Expansion -cm D 257
(50%RH.23)		 >1018 >1018 >1018
Dielectric Strength ‚‹V/mm
(3.2mm fhickness)		 D 149
(Short Term)		 19 20 20-24
Dielectric
Constant		   60 Hz
10 3 Hz
10 6 Hz
— D 150 <2.1 <2.1 2.1
— D 150 <2.1 <2.1 2.1
— D 150 <2.1 <2.1 2.1
Dielectric
Dissipation
Factor		   60 Hz
10 3 Hz
10 6 Hz
— D 150 <0.0002 <0.0002 <0.0002
— D 150 <0.0002 <0.0002 <0.0002
— D 150 <0.0002 0.0003 <0.0005
Arc Resistance sec D 495 >300 >300 >300
Flammability Rating (3.2mm fhickness) (UL 94) V-0 V-0 V-0
Limited Oxygen Index — D 2863 >95 >95 >95
Gas Permeafility N2
O2
cm3cm/cm2•sec•atm D 1434 1.1X10-8 1.4X10-8 1.2X10-8
(25)   3.2X10-8 4.8X10-8 3.7X10-8
Weather Resistance — — Unaffected Unaffected Unaffected
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