Approximate Ratio of Expanded I.D. to Recovered I.D. (fractional inch sizes)

		Ordered as I.D. (inches/mm)  Expanded I.D. MIN. (inches/mm)  Recovered - After Heat Shrink  I.D. Max. (inches/mm)  Wall Thickness (inches/mm) Nom. Tol.+/- 5/64 0.078 0.025 0.009 +/- 0.002 1/8 0.125 0.037 0.012 +/- 0.002 3/16 0.187 0.050 0.012 +/- 0.002 1/4 0.250 0.063 0.012 +/- 0.002 5/16 0.312 0.078 0.012 +/- 0.002 3/8 0.375 0.096 0.012 +/- 0.002 7/16 0.438 0.112 0.012 +/- 0.002 1/2 0.500 0.144 0.015 +/- 0.004 9/16 0.562 0.155 0.015 +/- 0.004 5/8 0.625 0.178 0.015 +/- 0.004 11/16 0.687 0.198 0.015 +/- 0.004 3/4 0.750 0.224 0.015 +/- 0.004 7/8 0.875 0.244 0.015 +/- 0.004 1 1.000 0.278 0.015 +/- 0.004 1-1/4 1.250 0.347 0.015 +/- 0.004 1-1/2 1.500 0.400 0.015 +/- 0.004 1-3/4 1.750 0.450 0.015 +/- 0.004 2 2.000 0.520 0.020 +/- 0.005 2-1/4 2.250 0.585 0.020 +/- 0.005 2-1/2 2.500 0.650 0.020 +/- 0.005 2-3/4 2.750 0.710 0.020 +/- 0.005 3 3.000 0.775 0.020 +/- 0.005 3-1/4 3.250 0.835 0.020 +/- 0.005 3-1/2 3.500 0.900 0.025 +/- 0.005 3-3/4 3.750 0.960 0.025 +/- 0.005 4 4.000 1.025 0.025 +/- 0.005

Metric Dimensions

		Ordered as I.D. (mm/inches)  Expanded I.D. Min. (mm/inches)  Recovered - After Heat Shrink  I.D. Max. (mm/inches) Wall Thickness (mm/inches) Nom. Tol.+/- 5/64 1.98 0.64 0.23 +/- 0.05 1/8 3.18 0.94 0.31 +/- 0.05 3/16 4.75 1.27 0.31 +/- 0.05 1/4 6.35 1.60 0.31 +/- 0.05 5/16 7.93 1.98 0.31 +/- 0.05 3/8 9.53 2.44 0.31 +/- 0.05 7/16 11.13 2.85 0.31 +/- 0.05 1/2 12.70 3.66 0.38 +/- 0.10 9/16 14.27 3.94 0.38 +/- 0.10 5/8 15.88 4.52 0.38 +/- 0.10 11/16 17.45 5.03 0.38 +/- 0.10 3/4 19.05 5.69 0.38 +/- 0.10 7/8 22.23 6.20 0.38 +/- 0.10 1 25.40 7.06 0.38 +/- 0.10 1-1/4 31.75 8.81 0.38 +/- 0.10 1-1/2 38.10 10.16 0.38 +/- 0.10 1-3/4 44.45 11.43 0.38 +/- 0.10 2 50.80 13.21 0.51 +/- 0.13 2-1/4 57.15 14.86 0.51 +/- 0.13 2-1/2 63.50 16.51 0.51 +/- 0.13 2-3/4 69.85 18.03 0.51 +/- 0.13 3 76.20 19.69 0.51 +/- 0.13 3-1/4 82.55 21.21 0.51 +/- 0.13 3-1/2 88.90 22.86 0.64 +/- 0.13 3-3/4 95.25 24.38 0.64 +/- 0.13 4 101.60 26.04 0.64 +/- 0.13

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Check out our Heat Shrink Notes for answers to many of your questions.

Packaging
Four foot sticks of Heat Shrink Tubing are standard packaging lengths. Shorter or longer lengths are available upon request. Extremely long continuous lengths are sometimes available depending on specifications. Inquire for feasibility and pricing.
UL File #E64007 / CSA File #082582
 

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