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
TWD5,154.00
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 821-4941
製造零件編號F22111/2 CL015
BrandAlpha Wire
TWD8,017.00
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 821-4771
製造零件編號F2211/8 BK002
BrandAlpha Wire
TWD5,010.00
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 839-5460
製造零件編號F2211/8 BK062
BrandAlpha Wire
TWD20.10
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 839-5479
製造零件編號F2211/8 BK103
BrandAlpha Wire
TWD1,193.00
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 817-9078
製造零件編號F221L3/8 BK004
BrandAlpha Wire
TWD8,795.00
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 821-4875
製造零件編號F2211/2 BK016
BrandAlpha Wire
TWD3,014.00
毎卷:46 米
Reel(s)
12.7mm 6mm Black Heat Shrink No 2:1 45 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 839-5514
製造零件編號F2211IN BK105
BrandAlpha Wire
TWD906.00
毎盒:5 個
Box(es)
25.4mm 12.7mm Black Heat Shrink No 2:1 1.2 m Cross Linked Polyolefin Yes No FIT-221 CSA, UL
RS庫存編號 839-5494
製造零件編號F2211/2 BK066
BrandAlpha Wire
TWD45.20
/個 (每包:14個)
單位
12.7mm 6.35mm Black Heat Shrink No 2:1 152 mm Cross Linked Polyolefin Yes No FIT-221 CSA, UL
RS庫存編號 181-8954
製造零件編號F40016 NA103
BrandAlpha Wire
TWD6,474.00
毎包:25 個
Bag(s)
1.91mm 1.55mm 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 821-4853
製造零件編號F2213/8 CL004
BrandAlpha Wire
TWD3,630.00
毎卷:61 米
Reel(s)
9.5mm 5mm Clear Heat Shrink No 2:1 60 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 817-9072
製造零件編號F221L1/2 BK004
BrandAlpha Wire
TWD13,193.00
毎卷:61 米
Reel(s)
12.7mm 6mm Black Heat Shrink - 2:1 60.9 m LSZH Polyolefin - - FIT-221L -
RS庫存編號 181-8952
製造零件編號F40014 NA103
BrandAlpha Wire
TWD5,543.00
毎包:25 個
Bag(s)
2.34mm 1.83mm 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 181-8960
製造零件編號F4003 NA112
BrandAlpha Wire
TWD15,710.00
毎包:50 個
Bag(s)
7.87mm 6.32mm 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庫存編號 821-4890
製造零件編號F2213/4 BK003
BrandAlpha Wire
TWD6,409.00
毎卷:76 米
Reel(s)
19mm 10mm Black Heat Shrink No 2:1 76 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 839-5517
製造零件編號F22111/2 BK070
BrandAlpha Wire
TWD138.60
/個 (每包:5個)
單位
38.1mm 19.05mm Black Heat Shrink No 2:1 152 mm Cross Linked Polyolefin Yes No FIT-221 CSA, UL
RS庫存編號 817-9081
製造零件編號F221L3/4 BK004
BrandAlpha Wire
TWD15,453.00
毎卷:61 米
Reel(s)
19mm 10mm Black Heat Shrink - 2:1 60.9 m LSZH Polyolefin - - FIT-221L -
全新
RS庫存編號 188-4934
製造零件編號F60011/4 BK005
BrandAlpha Wire
TWD33,727.00
毎卷:30 米
Reel(s)
0.857in 0.714in Black Heat Shrink - 2:1 150 ft Chlorinated Polyolefin Yes - FIT–600 -
RS庫存編號 821-4749
製造零件編號F2211/16 RD001
BrandAlpha Wire
TWD9,066.00
毎卷:305 米
Reel(s)
1.6mm 1mm Red Heat Shrink No 2:1 305 m Polyolefin - No FIT-221 CSA, UL
RS庫存編號 821-4800
製造零件編號F2213/16 BL002
BrandAlpha Wire
TWD6,059.00
毎卷:152 米
Reel(s)
4.7mm 2mm Blue Heat Shrink No 2:1 152 m Polyolefin - No FIT-221 CSA, UL