TMW Tubing
Adhesive-Lined, Translucent, Semi-Rigid Polyolefin
Data Sheet
Product Description
3M
™
TMW Tubing is a semi-rigid, translucent
heat-shrinkable polyolefin tubing that is co-
extruded and selectively cross-linked with an
integral, meltable inner wall.
When heated in excess of 135ºC (275ºF),
the adhesive inner wall of the tubing is
softened and forced by the shrinking action of
the outer wall into contact with all underlying
surfaces and small voids. The adhesive forms
a flexible bond with a wide variety of rubbers,
plastics and metals. Upon cooling, 3M TMW
tubing provides a tough, protective and
insulating barrier, highly resistant to
penetration by moisture, chemicals and
solvents.
3M TMW tubing is rated for continuous
operation at temperatures from -55ºC (-67ºF)
to 110ºC (230ºF) and will withstand higher
operating temperatures for brief periods.
Adhesive reflow will occur at temperatures
above 80°C (176°F).
Typical Applications
The primary application for 3M TMWtubing
is in the manufacture of heat shrink butt
connectors, disconnects, ring terminals and
fork terminals. Other applications include
braided-shield pigtails, mechanical assemblies,
electronic components, electrical wire splices,
breakouts, solder joints, delicate wire
terminations and end-sealing of electrical
cables.
3M TMW tubing can withstand the
crimping force of standard crimp tools without
puncture or splitting during heat recovery. The
tubing remains round when cut, making it
ideal for use in high speed processing and
assembly equipment.
Standard Colors
3M TMW tubing is available color coded by
diameter. Please see chart below.
Standard Packaging
TMW is supplied in cut pieces. Standard
lengths are available in 10,000 piece cartons,
other lengths and diameters are available
subject to factory quotation.
Ordering Information
Order 3M TMW tubing in the size equivalent
to the expanded inside diameter required.
Always order the largest size that will shrink
snugly over the component to covered. Non-
standard diameters and cut lengths are
available subject to factory quotation.
Example: TMW Red 183-1.50
Standard Sizes and Dimensions (without adhesive)
Product
Number
Expanded I.D.
(Minimum)
in.
(mm)
0.183
0.183
0.220
0.220
0.255
0.255
0.330
0.330
(4,65)
(4,65)
(5,59)
(5,59)
(6,47)
(6,47)
(8,38)
(8,38)
Recovered I.D.
(Maximum)
in.
(mm)
0.060
0.060
0.070
0.070
0.095
0.095
0.165
0.165
(1,52)
(1,52)
(1,78)
(1,78)
(2,41)
(2,41)
(4,19)
(4,19)
Total Recovered
Wall Thickness
(Nominal)
in.
(mm)
0.049
0.049
0.049
0.049
0.059
0.059
0.059
0.059
(1,24)
(1,24)
(1,24)
(1,24)
(1,50)
(1,50)
(1,50)
(1,50)
Meltable
Recovered Wall
(Nominal)
in.
(mm)
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
(0,46)
(0,46)
(0,46)
(0,46)
(0,46)
(0,46)
(0,46)
(0,46)
Standard
Cut Length
in.
(mm)
0.750 (19,05)
1.500 (38,10)
0.750 (19,05)
1.500 (38,10)
0.875 (22,22)
1.700 (43,18)
1.000 (25,40)
1.850 (46,99)
Cut Length
Tolerance (+/-)
in.
(mm)
0.020
0.030
0.020
0.030
0.020
0.030
0.020
0.030
(0,51)
(0,76)
(0,51)
(0,76)
(0,51)
(0,76)
(0,51)
(0,76)
TMW Red 183-0.750
TMW Red 183-1.500
TMW Blue 220-0.750
TMW Blue 220-1.500
TMW Yellow 255-0.875
TMW Yellow 255-1.700
TMW Pink 330-1.000
TMW Pink 330-1.850
Typical Properties
Applicable Specification – ULFile E-157227
Physical
2500 PSI
400%
+1, -10%
32,000 PSI
1.0
168 hrs. @ 175°C
Elongation 175%
*Heat Shock
No dripping,
(4 hrs. @ 250°C)
cracking, flowing
*Low Temperature Flexibility
No cracking
(4 hrs. @ –55°C)
Tensile Strength
Ultimate Elongation
Longitudinal Change
Secant Modulus (2%)
Specific Gravity
*Heat Aging
Electrical
Dielectric Strength
Volume Resistivity
900 V/mil
10
14
ohm-cm
Chemical
Corrosive Effect
Non-corrosive
Solvent Resistance
Tensile Strength
1000 PSI
Dielectric Strength
400 V/mil
Water Absorption
0.1%
Fungus Resistance
Non-nutrient
Fluid Resistance
Gasoline
>600 PSI
Hydraulic Fluid @JP4
600 V/mil
Skydrol 600
Technical information provided consists of typical product data and should not be used for
specification purposes. Unless otherwise noted, all tests are performed at room temperature.
* Outer wall only.
Limited Warranty
– 3M expressly warrants that for a period of ninety days from the date of purchase, 3M static control products will be free of defects in
materials (parts) and workmanship (labor). Defects occurring during the warranty period will be repaired or products will be replaced at 3M’s option and
expense, if 3M receives notice during the warranty period. Defective products must be returned to 3M with proof of purchase date.
Warranty Exclusions
– THE FOREGOING EXPRESS WARRANTYIS MADE IN LIEU OF ALLOTHER PRODUCT WARRANTIES, EXPRESS AND IMPLIED,
INCLUDING FITNESS AND MERCHANTIBILITY. The express warranty will not apply to defects or damage due to accidents, neglect, misuse, alterations,
operator error, or failure to properly maintain, clean, or repair products.
Limit of Liability
– In no event will 3M or Seller be responsible or liable for special, incidental, or consequential losses or damages, whether based in tort or
contract. Fulfillment of 3M’s warranty obligations will be Customer’s exclusive remedy and 3M’s and Seller’s limit of liability for any breach of warranty or otherwise.
For your nearest distributor or to order, call 1-800-328-1368
3M Electrical Specialties Division
6801 River Place Blvd.
Austin, TX 78726-9000
© 3M March 1997
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