Heat-Shrink & Cold-Shrink Sleeves

Heat ShrinkHeat shrink tubing is a type of extruded plastic tube that reduces in size when heated to a pre-determined shrink ratio to fit a specific application. A sleeve should be selected in a size larger than required to cover both the wire and components it is to be used with, before being shrunk to fit. Once fitted, the sleeve provides long lasting durability.Materials and TypesHeat shrink is available in various different materials, colours, sizes and shrink ratios to suit the application required. Some are available with an adhesive lining that helps to bond the tubing with the cables and components. Polyolefin is the most common material as it is highly durable and can withstand high temperatures without a restricted shelf life. They are also manufactured from PVC, fluoropolymer, neoprene and elastomeric materials. The material is often cross linked to assist with the tubing shrinking back to its original dimensions.The pre-determined shrink ratio, for example, 2:1 or 3:1, is the measurement of how small the sleeve goes in comparison to its expanded size. When the number is higher in the shrink ratio the greater the shrinkage. It allows a precise, secure fit that does not come off easily. Applications Heat shrink tubing is versatile and easy to use therefore it can be applied in an assortment of applications, the most common uses being: Electrical insulation – covering joints and repairs Strain relief – relieving pressure from the cable Wire bundling – in harness building and cable organisation Environmental and mechanical protection – preventing damage from abrasion, moisture, dust and chemicals Identification – the wide range of colours the tubing is manufactured in allows it to be used for colour coding and component ID InstallationWhen selecting the right size tubing, you should consider the maximum and minimum diameter of what you are covering. Use this information to check against the recovered diameter (the diameter after shrinking) and expanded diameter (the pre-shrinkage diameter) of the sleeve. You can cut most tubing to a suitable length using standard scissors. The unshrunk tubing can be slid over the area or objects it is to cover. Then with a hand held heat gun or heat shrink oven, the sleeve is shrunk tightly. To prevent uneven shrinkage or overheating, check the recommended heating temperature beforehand.

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Description Price Sleeve Diameter Shrunk Diameter Colour Sleeve Type Adhesive Lined Shrink Ratio Sleeve Length Material Flame Retardant Halogen Free Series Standards Met
RS Stock No. 277-7926
Mfr. Part No.RW-175-3/16-X
$13.88
Each
units
4.8mm 2.4mm Clear Heat Shrink No 2:1 1.2 m PVDF Yes No KYNAR -
RS Stock No. 208-8484
Mfr. Part No.HSB 250-4
$53.68
Each
units
6.4mm 3.2mm Yellow Heat Shrink - 2:1 7.5 m Cross Linked Polyolefin Yes - Shrink-Kon -
RS Stock No. 122-3477
Mfr. Part No.DWFR-4/1-0-STK
$12.019
Each (In a Pack of 25)
units
4mm 1mm Black Heat Shrink Yes 4:1 1.2 m Polyolefin Yes No DWFR -
RS Stock No. 481-1832
BrandRS PRO
$24.44
Each
units
24mm 8mm Black Heat Shrink Yes 3:1 1.2 m Polyolefin Yes No - AMS-DTL-23053/4 Class 3, RoHS Compliant, UL 224 E75077 CSA C22.2 No.198.1
RS Stock No. 914-6802
Mfr. Part No.318-40400 TA42-4/1-PO-X-BK (250)
$9.57
Each
units
4mm 1mm Black Heat Shrink Yes 4:1 1.2 m Polyolefin Yes - TA42 CSA, SAE, UL Listed, UL Recognized
RS Stock No. 181-8948
Mfr. Part No.F4000 NA112
BrandAlpha Wire
$1,250.70
1 Bag of 50
Bag(s)
11.18mm 8.86mm Natural Heat Shrink - 1.2:1 0.6 m FEP Yes - FIT-400 AMS-DTL-23053/11 Class 1, EC 1907/2006, EU Directive 2011/65, UL 94V-0
RS Stock No. 700-4466
BrandRS PRO
$31.20
1 Reel of 3 Metre(s)
Reel(s)
24mm 8mm Clear Heat Shrink No 3:1 3 m Polyolefin No No - UL
RS Stock No. 700-4488
BrandRS PRO
$28.60
1 Reel of 3 Metre(s)
Reel(s)
24mm 8mm Yellow Heat Shrink No 3:1 3 m Polyolefin Yes No - UL
RS Stock No. 808-7866
Mfr. Part No.RHW-90/25-1200/ADH-0
$73.77
Each
units
90mm 25mm Black Heat Shrink Yes 4:1 1.2 m Polyolefin No Yes RHW UL
RS Stock No. 700-4759
BrandRS PRO
$26.86
1 Reel of 5 Metre(s)
Reel(s)
19mm 9.5mm Blue Heat Shrink No 2:1 5 m Polyolefin Yes No - UL
RS Stock No. 821-4979
Mfr. Part No.F2603/4 GY003
BrandAlpha Wire
$2,032.25
1 Reel of 76 Metre(s)
Reel(s)
19mm 10mm Green/Yellow Heat Shrink No 2:1 76 m Polyolefin - No FIT-260 CSA, UL
RS Stock No. 277-7960
Mfr. Part No.RW-175-3/4-X
$81.33
Each
units
19.1mm 9.5mm Clear Heat Shrink No 2:1 1.2 m PVDF Yes No KYNAR -
RS Stock No. 914-6865
Mfr. Part No.309-15080 TF21-50.8/25.4-PO-X-BK (60)
$1,982.18
1 Reel of 60 Metre(s)
Reel(s)
50.8mm 25.4mm Black Heat Shrink - 2:1 60 m Polyolefin Yes - TF21 CSA, JAR/FAR, NF F, SAE, UL Listed, UL Recognized
RS Stock No. 341-6032
Mfr. Part No.RNF-100-1-2-STK
$16.81
Each
units
25.4mm 12.7mm Red Heat Shrink No 2:1 1.2 m Polyolefin Yes No RNF-100 -
RS Stock No. 821-4917
Mfr. Part No.F2211IN BK003
BrandAlpha Wire
$511.11
1 Reel of 76 Metre(s)
Reel(s)
25.4mm 13mm Black Heat Shrink No 2:1 76 m Polyolefin - No FIT-221 CSA, UL
RS Stock No. 501-4133
Mfr. Part No.308-30300 HIS-3-3/1-PO-X-BK (10)
$6.277
Each
units
3mm 1mm Black Heat Shrink - 3:1 10 m Cross Linked Polyolefin Yes - HIS-3 -
RS Stock No. 700-4737
BrandRS PRO
$2.068
Each
units
2.4mm 1.2mm Blue Heat Shrink No 2:1 10 m Polyolefin Yes No - UL
RS Stock No. 448-663
Mfr. Part No.901-10176
$62.85
1 Reel of 5 Metre(s)
Reel(s)
12mm 4mm Black Heat Shrink - 3:1 5 m Cross Linked Polyolefin Yes - TF31 -
RS Stock No. 763-0942
Mfr. Part No.450-20001 RMS 43-10-PO-X-BK (500.0)
$91.11
Each
units
43mm 10mm Black Heat Shrink Yes 4.5:1 500 mm POX - - RMS -
RS Stock No. 366-2881
Mfr. Part No.DSPL-NR3-X-65MM
$40.47
1 Bag of 100
Bag(s)
10.8mm 2.4mm Clear Heat Shrink Yes 4:1 65 mm Polyolefin Yes No DSPL -
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