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GMT-421ALSR

4:1 Adhesive Lined, Semi-Rigd Heat Shrinkable Tubing

GMT-421ALSR is a semi-rigid, high shrink ratio; flame retardant, heat resistant, heat shrinkable polyolefin tube with a meltable adhesive, which flows when heated. Its inner adhesive adheres, seals, and protects various electrical applications including wire splices, breakouts, and connectors-to-cable transitions. This product may be used in military, aerospace, automotive, and electronic industries.

  • Connector Strain Relief
  • Pin Connector to Cable Coverage
  • Covers Irregular Shapes & Connectors
  • PC Board Coverage / Protection
  • SHRINK RATIO: 4:1
  • UL CERTIFIED
  • RoHS
  • E306685
  • Operating Temperature: -45° to 125 ° Celsius
  • Shrink Temperature: Start at 70° C; Completely Shrunk 120° C
  • Shrink Ratio: 4:1
  • Colors: Black to Clear
GMT-421ALSR Size & Milspec Guide

Part Number

Size

Standard Color

Standard Package (4 Feet Length)

Mil-Spec Number

Min Supplied I.D.

Max Recovered I.D.

After Recovered Thickness mm ±0.15

GMT-421ALSR-1/4-(Color)

1/4"

Black

25 Pcs.

N/A

6mm/0.25in

0.13mm/0.1875in

Total Wall 1.3mm

Adhesive Wall 0.56mm

GMT-421ALSR-5/16-(Color)

5/16"

Black

25 Pcs.

M/23053/5-115

8mm/0.1325in

6.99mm/0.275in

Total Wall 1.65mm

Adhesive Wall 0.76mm

GMT-421ALSR-1/2-(Color)

1/2"

Black

25 Pcs.

N/A

12mm/0.50in

2.41mm/0.095in

Total Wall 2.0mm

Adhesive Wall 1.02mm

GMT-421ALSR-3/4-(Color)

3/4"

Black

25 Pcs.

N/A

18mm/0.75in

4.45mm/0.175in

Total Wall 2.5mm

Adhesive Wall 1.37mm

Buy Direct

To purchase, call (909) 860-1479 to speak to a Gamma Sales Representative, or email us at Sales@GammaElectronics.net.

You can also Contact Us about purchasing by clicking on the button below.

Printable Heat Shrink

Gamma’s 3:1 Flat (GMT-321-FLT) Heat Shrink tubing is purposefully flat to make it easier to print on.  After printing it’s a simple to apply, 3:1 Heat Shrink Tubing.  

Cable Organization just got easy.

Heat Shrink Tubing Printers

Customize and print your own Heat Shrinkable labels with a Gamma Thermal Transfer Printer.  Our high quantity printers will easily handle your production needs while delivering quality prints. 

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