Description

ETFE TUBING (ethylene-tetra-fluoro-ethylene)

Everflon ETFE is a fluoropolymer that is chemically and structurally similar to polyolefins such as polyethylene, thus providing a higher abrasion, impact, and crush resistance than its fully fluorinated (perfluoropolymer) counterparts -PTFE, FEP, and PFA.

 

Techyours® ETFE tubing is commonly used in wiring harnesses, in exterior film applications where weathering resistance is desirable, and as a liner in tanks where specific chemical and wear resistance is required. Its high tensile strength at 25 C also leads to a higher working pressure at that temperature.

 

 

Techyours® ETFE Tubing Offers:

  • High abrasion and wear resistance while maintaining chemical inertness
  • Higher tensile strength and working pressure than PTFE, FEP, PFA at 25 degrees Celsius
  • More limited chemical resistance than PTFE, FEP and PFA
  • Great for mechanical, electrical, architectural, and aerospace applications
  • Maximum use temperature of 300 F (~150 C)
  • Natural ETFE is semi-transparent

 

Techyours® ETFE Tubing Applications:
Aerospace &Transportation Technology, Electronics, Components & Insulators, Chemical & Pharmaceutical Manufacturing, Food Processing, Environmental Sciences, Air Sampling, Fluid Transfer Devices and Water Processing Systems

 


Techyours®ETFE Tube Fractional Sizes

O.D. (in) I.D. (in) Wall (in) Nominal O.D. O.D. Tolerance
(in)
Wall Tolerance
(in)
Working Pressure*
PSIG(bar)
Burst Pressure+
PSIG(bar)
Minimum Bend
Radius (in)
1/8 1/16 0.031 0.125 +/- 0.004 +/- 0.003 300 (21) 1500 (103) 1/2
3/16 1/8 0.031 0.188 +/- 0.005 +/- 0.003 192 (13) 961(66) 1/2
1/4 3/16 0.031 0.25 +/- 0.005 +/- 0.003 140 (9.7) 700 (48) 1
1/4 5/32 0.047 0.25 +/- 0.005 +/- 0.003 219 (15) 1095 (75) 3/4
1/4 1/8 0.062 0.25 +/- 0.005 +/- 0.003 300 (21) 1500 (103) 1/2
5/16 1/4 0.031 0.313 +/- 0.005 +/- 0.003 110 (7.6) 549 (38) 3/4
5/16 3/16 0.062 0.313 +/- 0.005 +/- 0.003 235 (16) 1176 (81) 1/2
3/8 5/16 0.031 0.375 +/- 0.005 +/- 0.003 90 (6.2) 450 (31) 2-1/2
3/8 1/4 0.062 0.375 +/- 0.005 +/- 0.003 192 (13) 962 (66) 1
1/2 7/16 0.031 0.5 +/- 0.006 +/- 0.003 66 (4.6) 332 (23) 4
1/2 3/8 0.062 0.5 +/- 0.006 +/- 0.003 140 (9.7) 700 (48) 2

 

Techyours®ETFE Tube Metric Sizes

O.D.
(mm)
I.D.
(mm)
O.D./I.D.
Tolerance (mm)
O.D.
(in)
I.D.
(in)
O.D./I.D.
Tolerance
(in)
Working
Pressure*
PSIG(bar)
Burst
Pressure+
PSIG(bar)
Minimum
Bend
Radius (in)
4 2 +/- 0.11 0.157 0.078 +/- 0.004 300 (21) 1500 (103) 1/2
6 4 +/- 0.13 0.236 0.157 +/- 0.005 192 (13) 961(66) 1/2
8 6 +/- 0.13 0.315 0.236 +/- 0.005 140 (9.7) 700 (48) 1-3/4
10 8 +/- 0.13 0.393 0.315 +/- 0.005 110 (7.6) 549 (38) 2-1/2
12 10 +/- 0.15 0.472 0.393 +/- 0.006 90 (6.2) 451 (31) 3-1/2

*This tubing has a safety factor of 5 to 1 (ratio of burst pressure to working pressure). This data is to be used as a guildeline only. You should perform actual tests according to your specific application.
+The following equation is for calculating burst pressure. The result from this equation is to be used as a guideline only. The calculation is at ambient room temperature. It does not factor steam pressure, altitude, etc.

B=T(O.D.2 - I.D.2)
     O.D.2 + I.D.2

B=Burst Pressure
T=Tensile Strength Values: FEP-3000 psi PFA - 4000 psi PTFE - 2500 psi PVDF - 5000 psi ETFE=6500 psi
1 bar = 14.504 psi

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