Name: Dia 25mm~80mm 2:1 Heat Shrink Tubing (2M/10M/1Roll)
Brand: electrical center b2c
SKU: Black Tube 2:1 / Dia.25mm (12.5mm After Shrink)| 200M/Roll / 2 Meter
Price: 9.6 USD
Availability: InStock

Dia 25mm~80mm?High Toughness 2X Heat Shrink Tube, No?Adhesive Polyolefin Heat Shrink Sleeve, Multiple Sizes & Colors for Electrical Wiring, Copper Bar & Bus Bar Insulation

Product Description

This is 2:1 fast heat?shrink tubing with national standard thickness, high toughness, wear?resistant and anti?aging, safe insulation performance up to 1000V rated voltage.

It is non?adhesive polyolefin heat shrink tube, featuring fast 2?times shrinkage rate. For example, ¦µ5mm shrinks to 2.5mm maximum, ¦µ10mm shrinks to 5mm maximum.

Multiple inner diameters are available: 1mm?80mm, colors include black, red, green, yellow, blue. Length options: 2m, 10m, full roll. Sizes above 8mm are flat?shaped.

Important Note: The model number represents the inner diameter before shrinkage, not the flattened width. Actual inner diameter is larger than marked specification (e.g., ¦µ1mm actual inner diameter is 1.5mm).

Widely used for wire insulation, cable repair, busbar, copper bar protection, electrical wiring harness insulation and DIY electronic projects.

Key Features

2:1 fast shrink ratio, non?adhesive design
High toughness, thickened material, wear?resistant & anti?aging
1000V high?voltage insulation, safe & reliable
Waterproof, dustproof, flexible & easy to operate
Multiple sizes, colors and lengths for flexible selection
Wide application for electrical wiring, busbar & copper bar protection

Specification

Attribute Name	Attribute Value
Product Name	2:1 Heat Shrink Tubing
Material	Polyolefin (Non?Adhesive)
Shrink Ratio	2:1 Fast Shrinkage
Rated Voltage	1000V
Inner Diameter Options	25/30/35/40/50/60/70/80mm
Color Options	Black, Red, Green, Yellow, Blue
Length Options	2m, 10m, Full Roll
Shape	Round (¡Ü7mm), Flat (¡Ý8mm)
Features	High Toughness, Thickened, Wear?Resistant, Anti?Aging, Waterproof, Electrical Insulation
Application	Wire Insulation, Cable Repair, Busbar & Copper Bar Protection, Electrical Wiring Harness, DIY Electronic Projects
Note	Model refers to pre?shrink inner diameter, not flattened width; actual inner diameter is larger than marked size

Heat Shrink Tubing Specification Table

Buyer Notice: The model number refers to the inner diameter before shrinkage, not the flattened width. Actual inner diameter of all sizes is larger than marked specification (e.g., ¦µ1mm actual inner diameter is 1.5mm).

Model (mm)	Actual Inner Diameter (mm)	Flattened Width (mm)	Wall Thickness Before Shrinkage (mm)	Wall Thickness After Shrinkage (mm)	Length Per Roll (m)
¦µ1	1.5¡À0.2	?	0.185¡À0.03	0.37¡À0.05	200
¦µ2	2.5¡À0.2	?	0.19¡À0.03	0.38¡À0.05	200
¦µ2.5	3.0¡À0.2	?	0.20¡À0.03	0.40¡À0.05	200
¦µ3	3.5¡À0.2	?	0.20¡À0.03	0.40¡À0.05	200
¦µ3.5	4.0¡À0.3	?	0.20¡À0.03	0.40¡À0.05	200
¦µ4	4.5¡À0.3	?	0.21¡À0.03	0.42¡À0.05	200
¦µ5	5.5¡À0.4	?	0.21¡À0.03	0.42¡À0.05	200
¦µ6	6.5¡À0.4	?	0.21¡À0.03	0.42¡À0.05	100
¦µ8	8.5¡À0.5	14	0.21¡À0.03	0.42¡À0.05	100
¦µ10	10.5¡À0.5	16	0.24¡À0.03	0.48¡À0.05	100
¦µ12	12.5¡À0.5	20	0.25¡À0.03	0.50¡À0.05	100
¦µ14	14.5¡À0.5	23	0.26¡À0.04	0.52¡À0.07	100
¦µ16	16.5¡À0.5	26	0.29¡À0.04	0.58¡À0.07	100
¦µ18	19.0¡À0.5	30	0.29¡À0.04	0.60¡À0.07	100
¦µ20	21.0¡À0.5	32	0.31¡À0.04	0.62¡À0.07	100
¦µ22	23.0¡À0.5	35	0.32¡À0.04	0.65¡À0.07	100
¦µ25	26.0¡À0.5	42	0.35¡À0.04	0.70¡À0.07	25
¦µ30	31.5¡À0.5	50	0.39¡À0.04	0.78¡À0.07	25
¦µ35	36.5¡À1.0	55	0.39¡À0.05	0.78¡À0.07	25
¦µ40	41.5¡À1.0	64	0.39¡À0.05	0.78¡À0.07	25
¦µ50	¡Ý50	80	0.41¡À0.05	0.80¡À0.1	25
¦µ60	¡Ý60	94	0.42¡À0.05	0.86¡À0.1	25
¦µ70	¡Ý70	112	0.43¡À0.05	0.88¡À0.1	25
¦µ80	¡Ý80	129	0.45¡À0.05	0.90¡À0.1	25
¦µ90	¡Ý90	140	0.50¡À0.05	1.00¡À0.1	25
¦µ100	¡Ý100	162	0.55¡À0.05	1.10¡À0.1	25
¦µ120	¡Ý120	190	0.57¡À0.05	1.20¡À0.1	25
¦µ150	¡Ý150	233	0.60¡À0.05	1.20¡À0.1	25