Flexible polyolefin marker sleeves for use with Sumimark III & IV Marking Systems, 2:1 Shrink Ratio, 3/4", black

MFR PART #  SM3-12-3/4-BLK
PART #  SM3-12-3/4-BLK
Available in 200 Feet increments
Minimum 200 Feet
Call for Availability


This high temperature military grade heat shrink marking sleeves is used with SumiMark III and IV machines, is flexible polyolefin, operates from -55C to 135C, with a 2:1 ratio


  • SUMIMARK SM3 - 12 tubing, when used in conjunction with the SUMIMARK III or IV Marking Systems, provides marked sleeves that meet or exceed the print adherence requirements of SAE-AS5942. Sumimark SM3-12 tubing is not compatible with earlier Model 1 and Model 2 Sumimark systems.
  • SUMIMARK SM3 - 12 is a very flexible, flame retarded, heat shrinkable polyolefin tubing that meets all the requirements of Military Specification AMS-DTL-23053/5, Class 1 and Class 3, is recognized by Underwriters Laboratories (UL) Subject 224 as 125C, 600V (VW-rated, and is CSA certified).
  • SUMIMARK SM3 - 12 tubing, when used in conjunction with the SUMIMARK III or IV Marking Systems, produces marked sleeves that remain legible after prolonged UV exposure (720 hrs. xenon-arc lamp).
  • Shrink temperature is 90C.
  • Operating temperature range is -55C to +135C and up to 200C for short durations.
  • SM3 - 12 is recommended for use in general purpose applications such as wire marking, identification and electrical insulation of light wire harness assemblies.


Decimal .750 INCH
Dual NO
Military Color Code BLACK
Military Spec MIL-23053/5C
Size By Inch Fractions 3/4 INCH
Sleeving NO
Spiral Wrap NO
UNSPSC Code 39121723

Spec Sheet

Spec Sheet

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