SUMITUBE™ W3B2 (4X) - Heat-shrinkable tubing

Dual Wall Flexible Polyolefin with Thick Wall Adhesive, Highly Overexpanded, 4 : 1 Shrink Ratio

UL 224
Wall Type - DUAL

Applications

  • Wire Protection
  • Fluid Resistance
  • Strain Relief
  • Abrasion Protection
Product PDF

Product Overview

Category
Heat-shrinkable tubing
Material
Outer : Irradiated cross-linked flexible flame-retarded polyolefin Inner : Meltable adhesive
Shrink ratio
4 : 1
Shrink temperature
110℃
Continuous operating temperature
-55℃ to +125℃
Available colors
Black, White
Flammability
Flame Retarded
Printed surface text

Industry
Automotive, Commercial, Rail/Transit, Insulation and Protection, Environmental Sealing, Corrosion Protection, Energy, General Maintenance and Repair, Heavy Equipment
Environmental compliance
RoHS/RoHS2
Specifications / Approvals

UL 224

Other

Basic Properties

Property (Units) Test Method Requirement
Physical:
Tensile strength (psi) ASTM D638 1500 min.
Elongation (%) ASTM D638 250 min.
Cold impact (-55℃) ASTM D746 No cracking
Heat shock (250℃, 4 hrs.) AMS-DTL-23053 No cracking
Secant modulus (psi) ASTM D882 2.5 x 104 max.
Longitudinal change (%) AMS-DTL-23053 +5, -15
Electrical:
Dielectric strength (volts/mil) ASTM D876 300 min.
Volume resistivity (ohm-cm) ASTM D876 1 x 1010 min.
Chemical:
Corrosion UL 224 No corrosion
Water absorption (%) ASTM D570 1.0 max.
Fluid resistance (23℃, 24 hrs.)
Tensile strength (psi) AMS-DTL-23053 900 min.
Flammability UL 224 Pass
Shrink temperature, nominal 110℃

Specification reference: UL 224, 125℃, 600V
File E75077, YDTU2, Cat. No. SUMITUBE W3B2 (4X) or 841

*For reference use only

Sizes

Standard Size Inside Diameter (As Supplied) Inside Diameter (After Recovery) Wall Thickness Nom (After Recovery)
inches (mm) inches (mm) inches (mm)
4/1″ .157 4.0 .039 1.0 .040 1.00
8/2″ .315 8.0 .079 2.0 .048 1.20
12/3″ .472 12.0 .118 3.0 .055 1.40
16/4″ .630 16.0 .157 4.0 .071 1.80
24/6″ .945 24.0 .236 6.0 .089 2.25
32/8″ 1.260 32.0 .315 8.0 .100 2.54
52/13″ 2.047 52.0 .510 13.0 .100 2.54
Standard Colors: Black, White
Standard Package: 4 feet (4′)
How to Order: (Type of material) (Size) (Color) (Packaging)
Example: W3B2 (4X) 8/2 Black 4′


HOW CAN WE HELP?

For any information please Contact Us

Sumitomo Electric Interconnect Products, Inc.
915 Armorlite Drive, San Marcos, CA 92069

T: (760) 761.0600 info@seipusa.com

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and heat-shrink technology

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