Cut Sheet

12
3M
™
Heat Shrink Tubing SFTW-203
Very Flexible Polyolefin; Shrink Ratio 3:1



Typical Properties
UL File E48398; CSA LR 38227; Meets
functional requirements of SAE-AMS-DTL
23053/5, Class 1
Standard Sizes and Dimensions
Ordering
Size
Expanded I.D.
(Minimum)
Recovered I.D.
(Maximum)
Recovered Wall
Thickness (Nominal)
in. in. (mm) in. (mm) in. (mm)
1/16 .059  .020  .018 
1/8 .118  .039  .022 
1/4 .236  .079  .026 
3/8 .354  .118  .030 
1/2 .472  .157  .030 
3/4 .709  .236  .033 
1 .945  .315  .039 
1-1/2 1.535  .512  .045 

Physical
Tensile Strength 2600 PSI
 
 
Secant Modulus
 8700 PSI
 1.29
Heat Shock

No dracking.

dripping
Water Absorption 
Heat Aging Elongation
 

Flexibility
 No cracking
 
extinguishing
Electrical
Dielectric Strength 
 
Chemical
 

Tensile Strength 1100 PSI
Dielectric Strength 
 Inert
Product description
3M Heat Shrink Tubing SFTW-203




applications. 3M SFTW-203 tubing is




3M SFTW-203 tubing has been















Typical applications






3M SFTW-203 tubing the insulation

the connector body is larger than


connector. 3M SFTW-203 tubing can


Shrink ratio







Standard colors
Black.
Standard packaging



Ordering information





Example: SFTW-
203 tubing, 1/2", black, 4 ft. lengths.