PVDF-Kynar Heat Shrinkable Tubing

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Introduction
  Description

VOLSUN Heat Shrink TubingTZRS-PVDF-(2X)-B,normally designated as kynar tubing,is across-linked, thin-walled, heat-shrinkable tubing offering a high degree ofmechanical strength and high-temperature resistance. Fabricated frompolyvinylidene fluoride, the tubing has outstanding abrasion resistance andcut-through properties in combination with high dielectric strength. It isinherently flame retardant, semi-rigid and highly resistant to most industrialfuels, chemicals and solvents. When heated in excess of 347°F (175°C),TZRS-PVDF-(2X)-Btubing rapidly shrinks to askintight fit.

Features
  • Approval: UL, VW-1, File No.E249362
  • Meet: RoHS, SAE-AMS-DTL-23053/18
  • Operating temperature: -55℃ to + 175℃ 
  • Minimum fully recovery temperature: 175℃
Applications

TZRS-PVDF-(2X)-B tubing is typically used for shrink-fit protection and strain relief of wires, solder joints, terminals and connections. Suggested applications include automotive wiring, jackets, fuse coverings and military wire markers. Because the tubing is transparent, it allows see-through inspection and identification, and is ideal for use as a jacketing for components such as resistors and capacitors. The tubing is readily marked by hot-stamp and print-wheel equipment. 


Shrink Ratio 

TZRS-PVDF-(2X)-B tubing has a 2:1 shrink ratio. When freely recovered, the tubing will shrink to 50% of its as-supplied internal diameter. The recovered wall thickness is proportional to the degree of recovery. The operating temperature range is from -55°C (-67°F) to 175°C (347°F ), with a shrinking temperature minimum of 175°C (347°F) .


Technical Performance          
Property Test Method Typical Data
Tensile strength ASTM D 2671 ≥34.5 MPa
Ultimate elongation ASTM D 2671 ≥150%
Ultimate elongation after aging 180℃,168 hrs. ≥100%
Heat shock 250℃,4 hrs. No cracking
Cold bend -55℃,4 hrs. No cracking
Flammability VW-1 Pass
Volume resistance IEC 93 >1013Ω .cm
Dielectric ASTM D 2671 ≥30V/mm
Dimensions     
Size
(inch)
 
Size
(mm)
 
As
Supplied
(mm)
After Recovery
(mm)
 
Standard
Length
(m/pc)
 
D* (Min.) d*(Max.) w*(Min.)
3/64 1.2 1.2 0.6 0.20 1.22
1/16 1.6 1.6 0.8 0.20 1.22
3/32 2.4 2.4 1.2 0.23 1.22
1/8 3.2 3.2 1.6 0.23 1.22
3/16 4.8 4.8 2.4 0.23 1.22
1/4 6.4 6.4 3.2 0.28 1.22
5/16 8.0 8.0 4.0 0.28 1.22
3/8 9.5 9.5 4.8 0.28 1.22
1/2 12.7 12.7 6.4 0.32 1.22
3/4 19.1 19.1 9.5 0.36 1.22
1 25.4 25.4 12.7 0.41 1.22
1 1/2 38.1 38.1 19.0 0.51 1.22
 

Notes:

D* = Inner diameter as supplied 
d* = Inner diameter after fully recovered 
w*= Wall thickness after fully recovered 

Ordering Information:

Standard colors:

Clear 

Special colors:

Black 
Packaging:


Standard packaging on spools or 1.22m.
Other: Other cut lengths are available, please contact our sales department.
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