Heat shrinkable tubing 2:1 - PVDF : TK20-12.7/6.4

Heat Shrinkable Tubing 2:1 PVDF transparent 12.7/6.4Article number: 311-01279


  • Semi-rigid heat shrinkable tubing made of PVDF
  • Thin wall and tough
  • For higher temperature applications
  • Very good mechanical strength, abrasion resistance and chemical resistance
  • Meets various industrial standards
  • Self extinguishing, UL 224 VW1 listed

Certifications & Approvals


Typical applications of this translucent tubing are where high-temperature performance is required. Also very suitable for applications that ask for visual inspection of covered components, or if a low friction surface is needed. TK20 is also used as oil stop for energy cables.
This thin walled, translucent heat shrink tubing is often used for chemical applications.

Application Tool H6100, E4500, CHG900
Behaviour at Heat Shock not cracking, not dripping, not fluid
Behaviour At Low Temperature not cracking
Behaviour at low Temperature test method SAE-AS23053
Colour Transparent (CL)
Elongation At Heat Aging 200%
Heat Aging Test 168h/250°C
Heat Aging test method ASTM D638
Heat Shock Test 4h/300°C
Pack Cont. 25pcs.
Package Quantity per pcs.
Printable (Yes/No) No
Product Family TK20
Product Group Heat shrinkable tubing 2:1 - PVDF
Short Description Heat Shrinkable Tubing 2:1 PVDF transparent 12.7/6.4
Shrink Ratio 2:1
Size (imperial) 1/2"
Variant Thin-Wall
With inner glue (Yes/No) No
Length (L) 1.20m
Longitudinal Change After Shrinkage +/-10 % max
Recov. ∅ d 6.4mm
Supplied ∅ D 12.7mm
Tube Shape Oval
Wall (WT) 0.30mm
Designation as per VG-Norm VG 95343 T05 F 008 M
Dielectric Strength 30 kV/mm
Dielectric Strength test method SAE-AS23053
Elongation at break ≥350%
Elongation at break test method ASTM D882
ELV compliant Dir. Art. 4 (2) YES
Flammability UL 224 VW-1, self-extinguishing
Halogenfree No
Hazardous good No
Insulation Class F (VDE 0530)
Material Polyvinylidene Fluoride (PVDF)
Minimum Shrink Temperature - °C +170 °C
Nato number 5970-12-158-4281
Operating Temperature - °C -55 °C to +175 °C
Specifications UL 224 150 °C 600V VW-1, VG 95343-5:2016-10
Tensile Strength 40MPa
Tensile Strength test method ASTM D876
Test Method Tensile Strength ASTM D412
UL OCD link Link
UL Recognized (US and Canada) Yes
UL-File Number E198023
Volume Resistance 10¹⁵ Ω cm
Water Absorption 0.2%
GTIN-13 / EAN 4031026223810
Packaging 1 - Height (m) 0.25m
Packaging 1 - Length (m) 1.27m
Packaging 1 - Qty 25
Packaging 1 - Type Bag
Packaging 1 - Volume (m³) 0.05715
Packaging 1 - Weight (kg) 0.282501kg
Packaging 1 - Width (m) 0.18m
Packaging 3 - Height (m) 0.105m
Packaging 3 - Length (m) 1.3m
Packaging 3 - Qty 250
Packaging 3 - Type Carton
Packaging 3 - Volume (m³) 0.0143
Packaging 3 - Weight (kg) 4.33721kg
Packaging 3 - Width (m) 0.105m
ETIM 7.0 Key EC000217

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Update: 18/09/2021 © HellermannTyton 2021
© HellermannTyton 2021 (v4.152) | Update: 18/09/2021