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GMT-421AL

Medium Wall Adhesive Lined Heat Shrinkable Tubing

GMT-421AL is an adhesive lined highly flexible high shrink ratio polyolefin heat shrinkable tube. The increased shrink ratio allows coverage for irregular sizes. It has excellent physical, chemical, and electrical properties. Few sizes cover a variety of diameters, which allows for inventory reduction and coverage for irregular shapes.

  • Insulation and Strain relief for Wire terminations, electrical connections, and terminations
  • Adhesive Line provides connector to cable connections, high moisture resistance and excellent sealant.
  • Adhesive bonds to a variety of plastics, metals, and rubbers; including polyethylene, aluminum, steel, and copper.
  • SHRINK RATIO 4:1
  • RoHS
  • E306685
  • AMS-DTL-23050/4 ClASS 3
  • Operating Temperature: -45° to 125° Celsius
  • Shrink Temperature: 120°
  • Flame Retardant (Except Clear)
  • Shrink Ratio: 4:1
  • Environmentally Friendly
  • Colors: Standard Packages Available in Black, Colors Available Upon Request
GMT-421AL Size & Milspec Guide

Part Number

Standard Color

Standard Packaging FT Per Bag

Min Expanded as Supplied

Max Recovered After Heating

Adhesive Wall After Heating

Total Wall Thickness After Heating

GMT-421AL-4/1-(SP/4FT)-(Color)

Black

100 FT

4mm/0.157in

1.0mm/0.0394in

0.40mm/0.0157in

1.00mm/0.0394in

GMT-421AL-6/1.5-(SP/4FT)-(Color)

Black

100 FT

6mm/0.236in

1.5mm/0.0591in

0.40mm/0.0157in

1.10mm/0.0433in

GMT-421AL-8/2-(SP/4FT)-(Color)

Black

100 FT

8mm/0.315in

2.0mm/0.0787in

0.50mm/0.0197in

1.50mm/0.0591in

GMT-421AL-12/3-(SP/4FT)-(Color)

Black

100 FT

12mm/0.472in

3.0mm/0.1181in

0.50mm/0.0197in

1.70mm/0.0699in

GMT-421AL-16/4-(SP/4FT)-(Color)

Black

20 FT

16mm/0.630in

4.0mm/0.1575in

0.60mm/0.0236in

2.00mm/0.0787in

GMT-421AL-20/5-(SP/4FT)-(Color)

Black

20 FT

20mm/0.787in

5.0mm/0.1969in

0.60mm/0.0236in

2.30mm/0.0906in

GMT-421AL-24/6-(SP/4FT)-(Color)

Black

20 FT

24mm/0.945in

6.0mm/0.2362in

0.60mm/0.0236in

2.50mm/0.0984in

GMT-421AL-32/8-(SP/4FT)-(Color)

Black

20 FT

32mm/1.260in

8.0mm/0.3150in

0.70mm/0.0276in

2.80mm/0.1102in

GMT-421AL-52/13-(SP/4FT)-(Color)

Black

20 FT

52mm/2.047in

13.0mm/0.5118in

0.70mm/0.0276in

3.00mm/0.1181in

Buy Direct

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

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