Heat shrink tubing SUMITUBE is used in a wide range of applications such as binding electric wires and harnesses, heat resistance protection, and insulation protection.

Sumitube is a heat shrink tubing that takes advantage of the shape-memory effect of plastics enhanced by electron beam irradiation.

Product name Features Specifications/Approvals Continuous operating temperature Sizes Shrink ratio Available colors
SUMITUBE™ A
Heat shrink tubing / Single / Non Flame Retarded - -55 to 105℃ 1.5～25mm Approx. 40% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White,Clear
[General purpose heat-shrinkable tubing]
SUMITUBE™ LA
Heat shrink tubing / Single / Non Flame Retarded UL / CSA / PSE / SAE -55 to 105℃ 30～150mm Approx. 35% Black,Clear
[Large diameter heat-shrinkable tubing]
SUMITUBE™ A4
Heat shrink tubing / Single / Non Flame Retarded - -55 to 105℃ 3/64～2inch min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White,Clear
[Weather resistant heat-shrinkable tubing]
SUMITUBE™ C
Heat shrink tubing / Single / Non Flame Retarded - -55 to 105℃ 1～25mm Approx. 40% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White,Clear
[General purpose heat-shrinkable tubing (shrinks at low temperature)]
SUMITUBE™ C (UL)
Heat shrink tubing / Single / Non Flame Retarded UL -55 to 105℃ 3.2～7mm Approx. 40% Clear
[105℃ rating, heat-shrinkable tubing (shrinks at low temperature)] UL recognized
SUMITUBE™ D
Heat shrink tubing / Single / Non Flame Retarded - -55 to 135℃ 3/64～1/2inch min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White,Clear
[Semi-rigid heat-shrinkable tubing]
SUMITUBE™ A2
Heat shrink tubing / Single / Non Flame Retarded SAE -55 to 135℃ 64/3～4inch min. 50% Clear
[Clear flexible heat-shrinkable tubing] SAE-AS-23053
SUMITUBE™ B
Heat shrink tubing / Single / Flame Retarded - -45 to 120℃ 2～25mm Approx. 40% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,White
[General purpose flame-retarded heat-shrinkable tubing]
SUMITUBE™ LB
Heat shrink tubing / Single / Flame Retarded - -45 to 120℃ 30～150mm Approx. 35% Black
[Large diameter flame-retarded heat-shrinkable tubing]
SUMITUBE™ F (Z)
Heat shrink tubing / Single / Flame Retarded UL / PSE -55 to 105℃ 1～50mm min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White
[105℃ rating, flame-retarded heat-shrinkable tubing] UL recognized
SUMITUBE™ F3 (Z)
Heat shrink tubing / Single / Flame Retarded UL / PSE -55 to 105℃ 1～10mm min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White
[Thin wall, very flexible flame-retarded heat-shrinkable tubing] UL recognized
SUMITUBE™ NHR2
Heat shrink tubing / Single / Flame Retarded UL -55 to 125℃ 1～30mm min. 50% Black
[125℃ rating, halogen-free, flame-retarded, heatresistant tubing] UL/cULus recognized
SUMITUBE™ NHR4
Heat shrink tubing / Single / Flame Retarded UL -55 to 125℃ 1～10mm min. 50% Black
[125℃ rating, halogen-free, thin wall, very flexible, flame-retarded, heat-resistant tubing] UL recognized
SUMITUBE™ R
Heat shrink tubing / Single / Flame Retarded SAE -70 to 120℃ 1/8～2inch min. 50% Black
[Rubber-like, flame-retarded heat-shrinkable tubing] SAE
SUMITUBE™ V (300V)
Heat shrink tubing / Single / Flame Retarded UL / PSE -30 to 105℃ 3/64～1inch, 1.5～25mm min. 50% Clear
[Clear, flame-retarded heat-shrinkable tubing]
SUMITUBE™ F2 (Z)
Heat shrink tubing / Single / Flame Retarded UL / CSA / PSE -55 to 125℃ 1～50mm min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White
[125℃ rating, flame-retarded heat-shrinkable tubing] UL/CSA recognized
SUMITUBE™ F4 (Z)
Heat shrink tubing / Single / Flame Retarded UL / CSA / PSE -55 to 125℃ 1～10mm, 1/2～1inch min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White
[125℃ rating, flame-retarded heat-shrinkable tubing] UL/CSA recognized
SUMITUBE™ B2
Heat shrink tubing / Single / Flame Retarded UL / CSA / SAE -55 to 135℃ 3/64～4inch min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White,Yellow/Green
[Flexible flame-retarded heat-shrinkable tubing] SAE-AMS/UL/CSA recognized
SUMITUBE™ B2 (3X)
Heat shrink tubing / Single / Flame Retarded UL / CSA -55 to 135℃ 1.5/0.5～40/13mm min. 66% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White
[High shrink ratio flame-retarded heat-shrinkable tubing] UL/CSA recognized
SUMITUBE™ B8
Heat shrink tubing / Single / Flame Retarded UL / CSA / PSE -55 to 125℃ 3/64～1inch min. 50% Black,Brown,Red,Orange,Yellow,Green,Blue,Violet,Gray,White
[125℃ rating, semi-rigid flame-retarded heatshrinkable tubing] UL/CSA recognized
SUMITUBE™ V (600V)
Heat shrink tubing / Single / Flame Retarded UL / PSE -30 to 105℃ 3/64～1inch min. 50% Clear
[105℃ rating, transparent flame-retarded heatshrinkable tubing] UL/CSA recognized
SUMITUBE™ K
Heat shrink tubing / Single / Flame Retarded UL / CSA / PSE / SAE -55 to 175℃ 3/64～1inch min. 50% Clear
[Highly heat/oil/chemical resistant, clear, flame-retarded heat-shrinkable tubing] SAE/UL/CSA recognized
SUMITUBE™ K2
Heat shrink tubing / Single / Flame Retarded UL / PSE / SAE -55 to 175℃ 3/64～1inch min. 50% Black,Red,Green,Blue,White,Clear
[Highly heat/oil/chemical resistant, clear, flame-retarded heat-shrinkable tubing] SAE/UL recognized
SUMITUBE™ AN25
Heat shrink tubing / Single / Flame Retarded SAE -75 to 150℃ 1/8～2inch min. 50% Black
[Highly heat/oil/chemical resistant, flame-retarded heatshrinkable tubing] SAE recognized
SUMITUBE™ B6
Heat shrink tubing / Single / Flame Retarded - -55 to 135℃ 1/8～1/2inch min. 50% Black
[Semi-rigid flame-retarded heat-shrinkable tubing]
SUMITUBE™ O2C
Heat shrink tubing / Dual / Non Flame Retarded - -55 to 105℃ 2～10mm, 1/8～1inch min. 50% Black,Clear
[Dual wall heat-shrinkable tubing with meltable adhesive for fixing and waterproofing of straight-shaped objects]
SUMITUBE™ W3C
Heat shrink tubing / Dual / Non Flame Retarded - -55 to 105℃ 1/8～1inch min. 60% Black,Clear
[Dual wall heat-shrinkable tubing with meltable adhesive for waterproofing of irregular-shaped objects]
SUMITUBE™ O2B2
Heat shrink tubing / Dual / Flame Retarded UL / CSA / SAE -55 to 125℃ 1/4～1-1/2inch min. 50% Black
[Dual wall heat-shrinkable tubing with meltable adhesive for fixing and waterproofing of straight-shaped objects] SAE/UL/CSA recognized
SUMITUBE™ W3F2
Heat shrink tubing / Dual / Flame Retarded UL / CSA -55 to 125℃ 1/8～1inch min. 60% Black
[Dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for waterproofing of irregular-shaped objects] UL/CSA recognized
SUMITUBE™ W3B2
Heat shrink tubing / Dual / Flame Retarded UL / CSA / SAE -55 to 125℃ 3/1～40/13mm min. 60% Black
[Dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for waterproofing of irregular-shaped objects] SAE-AMS/UL/CSA recognized
SUMITUBE™ W3B2 (4X)
Heat shrink tubing / Dual / Flame Retarded UL / SAE -55 to 125℃ 4/1～24/6mm min. 75% Black
[Dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for waterproofing of irregular-shaped objects] UL recognized
SUMITUBE™ SA2
Heat shrink tubing / Dual / Flame Retarded - -40 to 130℃ 5.8/1.2～17.8/4.4mm min. 75% Black
[Dual wall, highly water/heat resistant, high shrink ratio flame-retarded heat-shrinkable tubing with meltable adhesive]
SUMITUBE™ SA3
Heat shrink tubing / Dual / Flame Retarded - -40 to 130℃ 5.8/1.2～17.8/4.4mm min. 75% Black
[Dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for harness joints of motor vehicles]
SUMITUBE™ W
Heat shrink tubing / Dual / Non Flame Retarded - -55 to 105℃ 1.5～14mm min. 60% Black,Clear
[Dual wall heat-shrinkable tubing with meltable liner]
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