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庫存編號 821-4787
製造零件編號F2211/8 GR002
BrandAlpha Wire
TWD5,169.00
毎卷:152 米
Reel(s)
3.1mm 2mm Green Heat Shrink No 2:1 152 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 821-4771
製造零件編號F2211/8 BK002
BrandAlpha Wire
TWD5,169.00
毎卷:152 米
Reel(s)
3.1mm 2mm Black Heat Shrink No 2:1 152 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 839-5479
製造零件編號F2211/8 BK103
BrandAlpha Wire
TWD1,102.00
毎盒:25 個
Box(es)
3.1mm 1.57mm Black Heat Shrink No 2:1 152 mm Cross Linked Polyolefin Yes No FIT-221 CSA, UL
RS庫存編號 821-4941
製造零件編號F22111/2 CL015
BrandAlpha Wire
TWD7,928.00
毎卷:38 米
Reel(s)
38.1mm 19mm Clear Heat Shrink No 2:1 38 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 839-5460
製造零件編號F2211/8 BK062
BrandAlpha Wire
TWD21.30
單位
3.1mm 1.57mm Black Heat Shrink No 2:1 152 mm Cross Linked Polyolefin Yes No FIT-221 CSA, UL
RS庫存編號 170-3283
製造零件編號F62121/2 BK072
BrandAlpha Wire
TWD2,373.00
單位
63.5mm 12.7mm Black Heat Shrink Yes 5.6:1 152 mm Polyolefin - - FIT-621 -
RS庫存編號 181-8977
製造零件編號F60013/4 BK008
BrandAlpha Wire
TWD17,053.00
毎卷:7 米
Reel(s)
44.45mm 25.4mm Black Heat Shrink - 2:1 7.6 m Chlorinated Polyolefin Yes - FIT-600 AMS-DTL-23053/1 Class 1 & 2, EC 1907/2006, EU Directive 2011/65
RS庫存編號 821-4917
製造零件編號F2211IN BK003
BrandAlpha Wire
TWD8,372.00
毎卷:76 米
Reel(s)
25.4mm 13mm Black Heat Shrink No 2:1 76 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 817-9078
製造零件編號F221L3/8 BK004
BrandAlpha Wire
TWD7,690.00
毎卷:61 米
Reel(s)
9.5mm 5mm Black Heat Shrink - 2:1 60.9 m LSZH Polyolefin - - FIT-221L -
RS庫存編號 821-4765
製造零件編號F2213/32 RD002
BrandAlpha Wire
TWD4,888.00
毎卷:152 米
Reel(s)
2.3mm 1mm Red Heat Shrink No 2:1 152 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 170-3306
製造零件編號F6214 BK072
BrandAlpha Wire
TWD3,743.00
單位
101.6mm 22.81mm Black Heat Shrink Yes 5.6:1 152 mm Polyolefin - - FIT-621 -
RS庫存編號 181-8970
製造零件編號F6001/4 BK008
BrandAlpha Wire
TWD4,257.00
毎卷:7 米
Reel(s)
6.35mm 3.63mm Black Heat Shrink - 2:1 7.6 m Chlorinated Polyolefin Yes - FIT-600 AMS-DTL-23053/1 Class 1 & 2, EC 1907/2006, EU Directive 2011/65
RS庫存編號 821-4800
製造零件編號F2213/16 BL002
BrandAlpha Wire
TWD6,277.00
毎卷:152 米
Reel(s)
4.7mm 2mm Blue Heat Shrink No 2:1 152 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 839-5505
製造零件編號F2211IN BK069
BrandAlpha Wire
TWD84.10
/個 (每包:8個)
單位
25.4mm 12.7mm Black Heat Shrink No 2:1 152 mm Cross Linked Polyolefin Yes No FIT-221 CSA, UL
RS庫存編號 821-4894
製造零件編號F2213/4 CL003
BrandAlpha Wire
TWD5,994.00
毎卷:76 米
Reel(s)
19mm 10mm Clear Heat Shrink No 2:1 76 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 821-4727
製造零件編號F2213/64 BK001
BrandAlpha Wire
TWD7,576.00
毎卷:305 米
Reel(s)
1.1mm 1mm Black Heat Shrink No 2:1 305 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 181-8964
製造零件編號F4007 NA103
BrandAlpha Wire
TWD14,930.00
毎包:25 個
Bag(s)
5mm 4.01mm Natural Heat Shrink - 1.2:1 1.2 m FEP Yes - FIT-400 AMS-DTL-23053/11 Class 1, EC 1907/2006, EU Directive 2011/65, UL 94V-0
RS庫存編號 181-8973
製造零件編號F60011/2 BK008
BrandAlpha Wire
TWD13,959.00
毎卷:7 米
Reel(s)
38.1mm 21.77mm Black Heat Shrink - 2:1 7.6 m Chlorinated Polyolefin Yes - FIT-600 AMS-DTL-23053/1 Class 1 & 2, EC 1907/2006, EU Directive 2011/65
RS庫存編號 821-4923
製造零件編號F2211IN GR003
BrandAlpha Wire
TWD8,372.00
毎卷:76 米
Reel(s)
25.4mm 13mm Green Heat Shrink No 2:1 76 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 821-4840
製造零件編號F2211/4 YL003
BrandAlpha Wire
TWD3,567.00
毎卷:76 米
Reel(s)
6.3mm 3mm Yellow Heat Shrink No 2:1 76 m Polyolefin - No FIT-221 CSA, UL