Heat-Shrink & Cold-Shrink Sleeves

Heat Shrink
Heat 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 Types
Heat 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
Installation
When 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. 666-919
BrandRS PRO
MYR108.51
1 Box of 10 Metre(s)
Box(es)
12.7mm 6.4mm Black Heat Shrink No 2:1 10m Polyolefin Yes No - RoHS Compliant, UL
RS Stock No. 268-5035
BrandRS PRO
MYR89.60
1 Bag of 1
Bag(s)
19.1mm 9.5mm Green/Yellow Heat Shrink No 2:1 1.2m Polyolefin Yes Yes - BS3G 198 Part 3 Type 15, DEF 59-97 Issue3 Type 8, E1042-A6-March 2002, IEC 60684-3-216 Type C, RoHS Compliant
RS Stock No. 443-4889
BrandRS PRO
MYR22.14
1 Bag of 20
Bag(s)
1.6mm 0.8mm Clear Heat Shrink No 2:1 300mm Polyolefin No Yes - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 458-0724
BrandRS PRO
MYR38.48
1 Bag of 10
Bag(s)
- 4 → 6mm Yellow Heat Shrink No 1:1 42mm Polyolefin - - - RoHS Compliant
RS Stock No. 417-7283
BrandRS PRO
MYR91.43
1 Bag of 20
Bag(s)
12.7mm 6.4mm Black Heat Shrink No 2:1 300mm Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 398-313
BrandRS PRO
MYR6.538
Each (In a Pack of 5)
units
3.2mm 1.6mm Red Heat Shrink No 2:1 1.2m Polyolefin Yes No - -
RS Stock No. 666-896
BrandRS PRO
MYR133.34
1 Box of 15 Metre(s)
Box(es)
6.4mm 3.2mm Black Heat Shrink No 2:1 15m Polyolefin Yes No - RoHS Compliant, UL
RS Stock No. 399-631
BrandRS PRO
MYR14.002
Each (In a Pack of 5)
units
19.1mm 9.5mm Yellow Heat Shrink No 2:1 1.2m Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 700-4539
BrandRS PRO
MYR55.04
1 Reel of 5 Metre(s)
Reel(s)
9mm 3mm Black Heat Shrink No 3:1 5m Polyolefin Yes No - UL
RS Stock No. 398-076
BrandRS PRO
MYR8.876
Each (In a Pack of 5)
units
6.4mm 3.2mm Green/Yellow Heat Shrink No 2:1 1.2m Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 399-625
BrandRS PRO
MYR6.312
Each (In a Pack of 5)
units
12.7mm 6.4mm Yellow Heat Shrink No 2:1 1.2m Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 417-7255
BrandRS PRO
MYR24.07
1 Bag of 20 Metre(s)
Bag(s)
4.8mm 2.4mm Black Heat Shrink No 2:1 300mm Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 398-385
BrandRS PRO
MYR168.93
Each
units
25.4mm 12.7mm Clear Heat Shrink No 2:1 1.2m Fluoropolymer Yes No - SAE-AMS-DTL-23053/13
RS Stock No. 700-4513
BrandRS PRO
MYR42.08
1 Reel of 7 Metre(s)
Reel(s)
6mm 2mm Red Heat Shrink No 3:1 7m Polyolefin Yes No - UL
RS Stock No. 268-4981
BrandRS PRO
MYR24.69
1 Bag of 1
Bag(s)
3.2mm 1.6mm Green/Yellow Heat Shrink No 2:1 1.2m Polyolefin Yes Yes - BS3G 198 Part 3 Type 15, DEF 59-97 Issue3 Type 8, E1042-A6-March 2002, IEC 60684-3-216 Type C, RoHS Compliant
RS Stock No. 392-236
BrandRS PRO
MYR3.83
Each (In a Pack of 5)
units
2.4mm 1.2mm White Heat Shrink No 2:1 1.2m Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 241-7551
BrandRS PRO
MYR60.95
Each
units
24mm 8mm Red Heat Shrink Yes 3:1 1.2m Polyolefin Yes No - AMS-DTL-23053/4 Class 3, RoHS Compliant, UL 224 E75077 CSA C22.2 No.198.1
RS Stock No. 398-206
BrandRS PRO
MYR7.98
Each (In a Pack of 5)
units
3.2mm 1.6mm Black Heat Shrink No 2:1 1.2m Polyolefin Yes No - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 399-990
BrandRS PRO
MYR98.27
Each (In a Pack of 5)
units
50.8mm 25.4mm Clear Heat Shrink No 2:1 1.2m Polyolefin No Yes - BS3G 198 Part 3 11B, CSA C22.2 No. 198.1, IEC 60684-3-212 A&B, MIL SAE-AMS-DTL 23053/5 Class 1, RoHS Compliant, UL 224 VW-1 E48762, VG 95343 Part 5 A&B
RS Stock No. 241-5404
BrandRS PRO
MYR122.67
Each
units
91mm 33mm Black Heat Shrink Yes 3:1 300mm PEX Yes - - ICEA, NEMA, RoHS Compliant
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