Heat Shrink Tubing in Polyolefin, PVC, LSOH, Adhesive lined, Kynar, Elastomer, Viton, PTFE sleeving, tubing, conduits & UL3239


In depth products

 

  PTFE Tubing  
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  PTFE Sleeving  
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  PTFE Conduits  
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  PTFE Spiralwrap  
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  UL3239 HV DC  
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  Heat Shrink Tubing  
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  Shrink End Caps
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  Print Heat Shrink
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  Shrink Butt Splice
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  T: 0170 652 2611


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Youtube shows how flexible precision engineered spiral wrap really is, you will be very pleased when you receive it, when ordered.


























































































































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Heat Shrink Tubing, PTFE Tubing,
PTFE Sleeving Spiralwrap Conduits

Shrinkfit for heat shrink in temp order to choose
PVC, Polyolefin, Elastomer, Kynar, Viton & PTFE


Which type of 2:1, 3:1 or 4:1 heat shrink tubing

Heatshrink tubingWhich type of 2:1, 3:1 or 4:1 heat shrink tubing to use, heat shrink tubing comes in an varied temperature and forms of
flexibility polymers from PVC | Polyolefin | Polyolefin low smoke | Polyolefin Adhesive lined | Elastomer | Kynar | Viton to PTFE, the higher the temperature equals higher the costs for that particular polymer for heat shrink tubing.
We can offer a Silicone Rubber heatshrink 1.7:1 but will be to special lead time conditions and set minimums.

Which heat shrink tubing for temperature needs

2:1 Layflat PVC, -20C to +85C.
Semi rigid supplied flattened with an extremely thin wall.

2:1 Heat Shrink PVC
Semi flexible, great for shrinking down around Low Voltage busbars

Polyolefin, 3:1 and 4:1 Adhesive lined, -55 to +110C
Thin wall, inner adhesive lining provides excellent moisture environmental sealing.

Polyolefin Heat Shrink Tubing, -55C to +135C
Thin wall, flame retardant & non flame retardant

2:1 Low Smoke LSOH, -55C to +125C
No halogens present in low smoke LSOH - LSZH

Elastomer Heat Shrink Tubing, -75C to +150C
Oil & Diesel resistant, flexible, medium wall

Kynar Heat Shrink Tubing, -55C to +175C
Mechanical strength, high chemical & punctureresistance.

Viton Heat Shrink Tubing, -55C to +200C
Viton, chemical resistant, oil & diesel resistant. Viton practically covers all areas, that's why its expensive.

Viton-plus, -55C to +220C
As Viton but with added 10% temperature operating.

PTFE Heat Shrink Tubing, -70C to +260C
UV resistant, non stick properties, protection of harmful moisture damage.

Silicone (Silicon) Rubber, 1:7:1, -75C to +250C
Extremely flexible in design, highly flame retardant, good chemical and solvent resistance, ability to withstand exposure to sterilisation applications.

Choosing the correct Heat Shrink tubing size

Example: If the substrate to be insulated is OD 6mm
at temperatures of +200C, then using either a Viton
or PTFE material fits the bill for your needs. Alternatively, if your need is for abuse protection but with oil and diesel protection then consider Elastomer at +150C over Viton at +200C, as Viton is a very expensive material to purchase, even if your ID size is considerably over 25.4mm as the higher the size, temperature and material, so increases the costings for that polymer material. Consider your options wisely, always enquire before purchasing your tubing.

Cutting the Heat Shrink Tubing

When cutting these polymers to the desired length, special care has to be taken to ensure smoothly cut ends with sharp cutting equipment as poorly cut edges can cause the material to split during heat shrinking process.

Polyolefin 3:1 heat shrink tubing, also looks like EDW1 adhesive lined but without the inner adhesiveWhen heat shrinking, it
is advisable to always start
from the middle working outwards so the polymer
grips the area to avoid slipping and gradually
proceed to one end and then from the middle again to the opposite end, which avoids air being trapped under the tubing and by starting from the middle stops the polymer from slipping along the object being insulated.

Longitudinal shrinkage in Heat shrink tubing

Heat shrinks will also shrink longitudinally
(horizontally), you could be looking at shrinkage from +/-5% to +/-15% this has to be considered when cutting.

Minimise Heat Shrink Tubing Longitudinal Shrinkage

By heat shrinking the ends first then the middle section, using this method is problematic as air gets trapped in the tubing and prevents the middle section from fully shrinking.

Heat shrink tubing for insulating metal substrates

If the object to be covered is Metal or Conductive, care must be taken to ensure the metal is pre-heated to avoid cold spots as this will give an unsightly appearance of the heat shrink tube.

If after going through all this, you are still struggling to find
a suitable heat shrink sleeving for your application, contact us as we just might be able to offer something less costly to use more successfully.

 Heat Shrink Tubing Cross Reference  

2:1 and 3:1 Polyolefin heat shrink tubing

Polyolefin, flexible, thin wall, flame retardant
operates at -55 to +135C.
2:1 and 3:1 Polyolefin (2:1 EMS2, 1.2 to 152mm)
(3:1 EMS3, 1.5/0.5 to 40/13mm)

3:1 and 4:1 Adhesive (Glue) lined heat shrink tubing

Polyolefin tube, with dual wall inner adhesive
(glue) lining, flexible and in a thin wall.
3:1 and 4:1 Adhesive lined 3 to 52mm


2:1 LS0H Low Smoke Heat Shrink Tubing

LSZH Polyolefin have no added halogens for
LSOH Thin wall & LSZH medium wall.
2:1 LSOH & LSZH, ID 1.2 to 102mm

       Speciality Heat shrink tubing in

PVC, Elastomer, Kynar, Viton, PTFE Polymers

2:1 PVC heat shrink, -30 to +105C

2:1 General purpose, thin wall, UL is ideal for
electrical busbar distribution centres, handles,
ropes, chain applications.
2:1 PVC - 3.2 to 101.6mm

2:1 Elastomer heat shrink, -75 to +150C

2:1 Cross-linked flexible Chlorinated Elastomer
designed for areas that need protection against
abuse at high tempertaures.
2:1 Elastomer, 3.2 to 76.2mm

2:1 Kynar (PVdF) heat shrink tubing

2:1 Kynar, a super thin wall, tough, chemical
resistant, semi rigid polymer.
2:1 Kynar, 1.2 to 25.4mm

2:1 Viton heat shrink tubing

Viton, Co-polymer of Vinylidene and Hexa fluoro
propylene, a premium grade, withstands chemical
attack, oil and diesel resistant.
2:1 +200C Viton, 3.2 to 50.8mm

2:1 Viton plus heat shrink tubing

Heat Shrink Viton+ as exactly as previous Viton
but with added temperature of 10% more than
standard Viton. 2:1 +220C Viton +, 3.2 to 50.8mm

2:1 and 4:1 PTFE heat shrink tubing

2:1 and 4:1 are used in highly critical & extreme
environments due to it being the highest temperature
in all polymers,
2:1 and 4:1 PTFE


Below Non Heat Shrinkable PTFE to consider

PTFE Polymers NON heatshrink tubing

Consider either a Tubing or Sleeving to BS2848 Type 6
Class 250T, Conduits (PANAVIA 6627, 6628) including
Smooth bore, Crush resistant (used in turbines), Spiralwrap AS41088.

Polytetrafluoroethylenes (PTFE) are different from other known polymer insulated custom profiles, these components continually and successfully operate at very high temperatures which are far better than most polymers around today. They have the best chemical resistance, resistant to acids and resistant to alkalis. We offer a variety of spaghetti tubing, sleeve, spiral wrap, convoluted conduits in various types and wall thicknesses.

PTFE Tubing to BS2848 Class 6 250T

High Temp Tubes to -70 to +260C.
AWG 0 to AWG 30

PTFE Sleeving to BS 2848 Part 6 250T

High Temp Sleeves to -70 to +260C.
AWG 0 to AWG 28

AS41088 and PAN6480

Spiralwrap to -70C to +260C

Precision Engineered Spiral Binding

Spiral Binding Precision Engineering -70C to +260C

Convoluted Conduits, -70C to +260C

Smooth Bore and other Convolutions.

Metric Rod and Imperial Rods, -70C to +260C

BS-EN-ISO-13000 Imperial and Metric Rods.

Below High Voltage DC wires

UL3239 & AWM3239 PVC +105C

UL3239 HVDC wires to +105C TV-3, TV-6, TV-10 & TV-20, all to set MOQs only with long lead times, so a good buyer will plan ahead.









PTFE Tubing, Spiralwrap, Sleeving & Heat shrink tubing
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