2:1 Neoprene Heat Shrink Tubing Specifications

Minimum Shrink Temperature: 275° F [135°C]

 

heat shrink diagram

EXPANDED RECOVERED
Internal Diameter Min.
(D)
Internal Diameter Max.
(d)
Min.Total Wall Thickness
(t)
in. mm in. mm in. mm
1/8" 0.125 3.2 0.062 1.57 0.028
3/16" 0.188 4.8 0.093 2.36 >0.030
1/4" 0.251 6.4 0.125 3.18 0.031
3/8" 0.378 9.6 0.187 4.75 0.035
1/2" 0.500 12.7 0.250 6.35 0.041
5/8" 0.625 16.0 0.315 8.00 0.051
3/4" 0.752 19.31 0.375 9.53 0.057
7/8" 0.875 22.2 0.433 11.0 0.065
1" 1.0 25.4 0.500 12.7 0.067
1-1/4" 1.250 31.8 0.626 15.9 0.087
1-1/2" 1.50 38.1 0.751 19.1 0.096
2" 2.0 50.8 1.0 25.4 0.112
3" 3.0 76.2 1.5 38.1 0.126

 

 

Neoprene Specification Values

PROPERTY TEST METHOD VALUE
Physical
Unaged Tensile strength ASTM D 638 Min. 1.1 kgf/mm²
Elongation Min. 250%
Aged Tensile strength 150° C / 168 hrs Min.0.85 kg/mm²
Elongation Min. 200%
Density ASTM D-792 Max. 1.40g/cm² @ 23°C
Heat shock MIL-I-23053 Pass @ 200°C x 4 hrs
Low temperature flex MIL-I-23053 No cracking @ -75°C
Electrical
Dielectric strength ASTM D-876 Min. 300V / mil
Volume resistivity ASTM D-876 Min. 1x10¹¹Ω - cm
Chemical
Copper corrosion MIL-I-23053
150° C / 16 hrs
No corrosion
Fluid resistance
Tensile strength
Elongation
Dielectric strength
MIL-I-23053
23°C / 24 hrs
Min.0.85 kg/mm²
Min. 200%
Min. 250V/mil
Flammability MIL-I-23053 Pass

 


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