4:1 Dual Wall Heat Shrink

4:1 Dual Wall Heat Shrink

Features:
  • 4:1 Shrink Ratio with melt adhesive inner lining (shrinks to 1/4 its original diameter) 
  • Longitudinal Shrinkage: up to 15% 
  • Meets requirements of AMS-DTL-23053/4 (formerly MIL-I-23053/4), Class 3 
  • UL 224 VW-1 and CSA OFT recognized 
  • Maximum Continuous use temperature 135°C 
  • Shrink Temperature of 100°C and operating temperature of -55°C to + 135°C 
  • Crosses to: Sumitomo W3B2(4X), Raychem ATUM 4X, LG GSHS-4635WT 
  • Typical applications include: Insulation, Wire Identification, Wire Bundling, Mechanical Protection, Color Coding, Lightweight Harnessing, Physical/Electrical Protection of Components, Strain Relief, and Solder Insulation.
Diameter Buy
3/16"
4 FT/PIECE$1.92
5/16"
656 FT/SPOOL$413.28
4 FT/PIECE$3.15
1/2"
4 FT/PIECE$4.05
5/8"
656 FT/SPOOL$656.00
4 FT/PIECE$5.00
1"
4 FT/PIECE$8.00
1.25
4 FT/PIECE$9.60
2"
4 FT/PIECE$19.50

4:1 Dual Wall Heat Shrink

Our 4:1 heat shrink tubing is also available with a "dual-wall" construction. When exposed to heat (usually a bit lower than the activation temperature of the heat shrink), the inner layer begins to flow (just like a hot melt glue). When the tubing shrinks and cools down, the inner layer forms an adhesion layer between the tubing and the component or wire. This provides a watertight seal, protecting the connector and/or wire.

Features:
  • 4:1 Shrink Ratio with melt adhesive inner lining (shrinks to 1/4 its original diameter) 
  • Longitudinal Shrinkage: up to 15% 
  • Meets requirements of AMS-DTL-23053/4 (formerly MIL-I-23053/4), Class 3 
  • UL 224 VW-1 and CSA OFT recognized 
  • Maximum Continuous use temperature 135°C 
  • Shrink Temperature of 100°C and operating temperature of -55°C to + 135°C 
  • Crosses to: Sumitomo W3B2(4X), Raychem ATUM 4X, LG GSHS-4635WT 
  • Typical applications include: Insulation, Wire Identification, Wire Bundling, Mechanical Protection, Color Coding, Lightweight Harnessing, Physical/Electrical Protection of Components, Strain Relief, and Solder Insulation.
  • Dimensions & Technical Specs
Part Number Nominal Min ID before shrinking Max ID after shrinking Length*
HS4A-0188 3/16" 0.1575 0.039 4'
HS4A-0313 5/16" 0.315 0.079 4'
HS4A-050 1/2" 0.4724 0.118 4'
HS4A-0625 5/8" 0.6299 0.157 4'
HS4A-100 1" 0.9449 0.2362 4'
HS4A-125 1 ¼" 1.2598 0.315 4'
HS4A-200 2 2.0472 0.5118 4'
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