End Seal Caps

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Super Seal end seal caps provide wire and cable with superior environmental protection against damage and moisture. The patented material formulation provides high quality sealing protection for most cable jacket material including XLPE, PVC, PILC and Rubber.

Super Seal end seal caps are utilized across many industries including wire and cable manufacturers, utilities, industrial users and OEM’s.

Our heat shrink end caps are available in a full range of sizes from 1/4″ through 19½” diameters; available with and without valves for external pressurization.

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Technical Specifications

Properties Value Standard
Physical Tensile Strength 12 MPa (1740 psi) ASTM D638
Ultimate Elongation (Min) 350% ASTM D638
Density 1.05 +/- (0.02 gm/cm³) ASTM D792
Hardness 45 +/- 10 Shore D ASTM D2240
Water Absorption (Max) 0.2% ASTM D570
Specific Gravity (Max) 1.05 ASTM D792
Thermal Accelerated Aging (500 Hours) 120˚C (248˚F) ASTM D2671
Tensile Strength (Min) 11 MPa (1595 psi) ASTM D638
Ultimate Elongation (Min) 300% ASTM D638
Heat Distortion @ 150˚C (302˚F) 2% ASTM D1047
Low Temperature Flexibility -40˚C (-40˚F) for 4 Hrs. No Cracking ASTM D2671
Heat Shock 250˚C (482˚F) for 30 Min. No Cracking or Flowing ESI 09-11
Shrink Temperature 125˚C (257˚F) IEC 216
Continuous Temperature Limit -40 to 100˚C (-40 to 212˚F) IEC 216
Electrical Dielectric Strength (Min) 12 KV/mm. (304.8 KV/in) ASTM D149
Volume Resistivity (Min) 1 x 1014Ohm.cm ASTM D257
Dielectric Constant @ 60 Hz (Max) 4.0 pf ASTM D150
Dissipation Factor @ 60 Hz (Max) 0.003 ASTM D150
Chemical Ozone Resistance – 48 hrs @ 0.03 No Cracking  

Dimensional Data

Part Number and Dimensions

White rows denote stocked items eligible for same-day shipping.
For bulk orders (3x minimum order) please contact us for pricing.

Choose either the Nominal Diameter or the Cable Diameter Range

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Super Seal Part # Nominal Diameter (in.) Cable Diameter Range Inside Diameter "A" Length "B" Wall Thickness "C" Minimum per Unit Price per Unit
Supplied Diameter Recovered Diameter Overall Cap Length Recovered (+/- 20%)
mm inches mm inches mm inches mm inches mm inches
G-1 0.75 8 - 16 0.31 - 0.63 20 0.78 8 0.3 55 2.16 2 0.09 20 32.20
G-1 A 0.875 8 - 20 0.31 - 0.79 25 0.98 8 0.3 55 2.16 2 0.09 NS
G-1 AL 0.875 8 - 20 0.31 - 0.79 25 0.98 8 0.3 75 2.95 2 0.09 NS
G-1 L 0.75 8 - 16 0.31 - 0.63 20 0.78 8 0.31 75 2.95 2 0.098 NS
G-1001 15.75 230 - 360 9.05 - 14.17 400 15.74 200 7.87 220 8.66 4 0.157 1
G-1002 19.5 230 - 460 9.05 - 18.11 500 19.68 200 7.87 220 8.66 6 0.236 1
G-12 6 70 - 145 2.75 - 5.70 154 6.06 60 2.36 241 9.49 5 0.181 4 51.84
G-12 L 6 70 - 145 2.75 - 5.70 156 6.14 65 2.55 300 11.81 5 0.181 1
G-2 1 12 - 26 0.47 - 1.02 30 1.18 11 0.43 75 2.95 2 0.098 30 60.90
G-2 A 1.25 12 - 30 0.47 - 1.18 35 1.37 11 0.43 75 2.95 2 0.098 NS
G-3 1.5 2 - 35 0.08 - 1.37 40 1.57 15 0.59 91 3.59 3 0.129 20 45.20
G-3 A 1.25 16 - 40 0.63 - 1.57 45 1.77 15 0.59 91 3.59 3 0.129 NS
G-3 AL 1.25 16 - 35 0.63 - 1.37 45 1.77 15 0.59 120 4.72 3 0.129 NS
G-3 L 1.5 2 - 35 0.08 - 1.37 40 1.57 15 0.59 120 4.72 3 0.129 NS
G-4 2.5 41 - 68 1.6 - 2.67 75 2.95 35 1.38 140 5.51 4 0.157 6 24.42
G-4 A 3.25 36 - 78 1.41 - 3.07 84 3.3 36 1.41 140 5.51 4 0.157 NS
G-4 AL 3.25 36 - 78 1.41 - 3.07 84 3.3 36 1.41 180 7.08 4 0.157 NS
G-4 L 2.5 41 - 68 1.6 - 2.67 75 2.95 30 1.18 180 7.08 4 0.157 9 43.38
G-6 5 74 - 102 2.9 - 4.03 130 5.11 60 2.36 160 6.29 5 0.181 6 51.84
G-6 L 5 64 - 120 2.51 - 4.72 130 5.11 65 2.55 300 11.81 5 0.181 NS
G-7 3.5 46 - 77 1.8 - 3.05 100 3.93 45 1.77 160 6.29 4 0.157 8 48.24
G-7 A 4.75 45 - 110 1.77 - 4.33 120 4.72 50 1.96 160 6.29 4 0.157 Ns
G-7 AL 4.75 45 - 110 1.77 - 4.33 120 4.72 50 1.96 200 7.87 4 0.157 NS
G-7 L 3.5 45 - 90 1.77 - 3.54 100 3.93 45 1.77 200 7.87 4 0.157 NS
G-8 2 1.02 - 1.85 55 2.16 25 0.98 125 4.92 4 0.149 12 39.12
G-8 A 2 25 - 55 0.98 - 2.16 55 2.16 25 0.98 125 4.92 4 0.149 NS
G-8 AL 2.25 25 - 55 0.98 - 2.16 63 2.48 25 0.98 170 6.69 4 0.149 NS
G-8 L 2 26 - 47 1.02 - 1.85 55 2.16 25 0.98 170 6.69 4 0.149 8 32.08
G-801 9 140 - 200 5.51 - 7.87 230 9.05 120 4.72 220 8.66 4 0.157 1
G-901 12 140 - 279 5.51 - 11.0 310 12.2 120 4.72 220 8.66 7 0.275 1
G-A 0.25 2 - 4 0.08 - 0.16 6 0.23 2 0.078 25 0.98 2 0.078 100 110.00
G-B 0.375 4 - 8 0.16 - 0.31 12 0.47 4 0.157 40 1.57 2 0.09 100 110.00
G-B A 0.5 4 - 11 0.16 - 0.43 14 0.55 4 0.157 38 1.49 2 0.09 100 136.00
G-B AL 0.5 4 - 11 0.16 - 0.43 14 0.55 4 0.157 58 2.28 2 0.09
G-B L 0.375 4 - 10 0.16 - 0.39 12 0.47 4 0.157 58 2.28 2 0.09 NS
diameter mm inch mm inch mm inch mm inch mm inch