What are Heat Shrink Boots, Caps ?
Heat Shrink Boots, Caps are protective coverings designed to insulate and secure electrical connections. They are widely used in applications such as board-to-board and cable interconnects, as well as in production electronics assembly. Important specifications for selection include Color, which aids in identification; Material, which affects durability and heat resistance; and Large Diameter Recovered, which ensures a proper fit over connectors. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Color | Features | Large Diameter Recovered | Large Diameter Supplied | Large Recovered Length | Material | Shell Size | Small Diameter Recovered | Small Diameter Supplied | Small Recovered Length | Total Length Recovered | Type | |||
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Black | Abrasion Resistant, Chemical Resistant, Eyelet and Clip, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resist | 0.591" (15.00mm) | 0.945" (24.00mm) | 1.417" (35.99mm) | Elastomer, Semi-Rigid, Irradiated | 2 | 0.197" (5.00mm) | 0.945" (24.00mm) | 0.433" (11.00mm) | 1.378" (35.00mm) | Boot - 90° | |
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Black | - | 1.150" (29.21mm) | 1.660" (42.16mm) | - | Polyolefin (PO), Semi-Rigid | 32 | 0.290" (7.37mm) | 1.150" (29.21mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | - | 1.150" (29.21mm) | 1.660" (42.16mm) | - | Polyolefin (PO), Flexible | 32 | 0.290" (7.37mm) | 1.150" (29.21mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | Flame Retardant | 0.559" (14.20mm) | 1.118" (28.40mm) | 1.098" (27.89mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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Black | Flame Retardant | 0.559" (14.20mm) | 1.118" (28.40mm) | 1.098" (27.89mm) | Polyolefin (PO), Flexible | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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Black | Flame Retardant | - | - | - | Polyolefin (PO), Semi-Rigid | 32 | - | - | - | - | Boot | |
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Black | Flame Retardant | 0.559" (14.20mm) | 1.118" (28.40mm) | 1.098" (27.89mm) | Polyolefin (PO), Flexible | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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Black | - | 0.800" (20.32mm) | 0.800" (20.32mm) | - | Polyolefin (PO), Flexible | 11 | 0.161" (4.09mm) | 0.311" (7.90mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | Lip | 0.390" (9.91mm) | 0.941" (23.90mm) | 0.461" (11.71mm) | Polyolefin (PO), Flexible | 11 | 0.260" (6.60mm) | 0.681" (17.30mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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Black | - | 0.900" (22.86mm) | 2.000" (50.80mm) | - | Polyolefin (PO), Semi-Flexible, Halogen Free | - | - | - | - | 4.000" (101.60mm) | Cap | |
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Black | Flame Retardant | 0.862" (21.89mm) | 1.420" (36.07mm) | 1.630" (41.40mm) | Polyolefin (PO), Semi-Rigid | 53 | 0.339" (8.61mm) | 1.420" (36.07mm) | 0.870" (22.10mm) | 2.902" (73.71mm) | Boot | |
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- | - | 0.862" (21.89mm) | 1.417" (35.99mm) | 1.630" (41.40mm) | Polyolefin (PO), Semi-Rigid | - | 0.339" (8.61mm) | 1.417" (35.99mm) | 0.630" (16.00mm) | 2.902" (73.71mm) | Boot | |
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- | - | 0.862" (21.89mm) | 1.417" (35.99mm) | 1.630" (41.40mm) | Polyolefin (PO), Semi-Rigid | - | 0.339" (8.61mm) | 1.417" (35.99mm) | 0.630" (16.00mm) | 2.902" (73.71mm) | Boot | |
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- | - | 0.862" (21.89mm) | 1.417" (35.99mm) | 1.630" (41.40mm) | Polyolefin (PO), Flexible | - | 0.339" (8.61mm) | 1.417" (35.99mm) | 0.630" (16.00mm) | 2.902" (73.71mm) | Boot | |
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Black | Adhesive Coating, Flame Retardant | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.402" (35.61mm) | Polyolefin (PO), Flexible | 42 | 0.291" (7.39mm) | 1.220" (30.99mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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Black | Flame Retardant, Potting (Injection) Port | 0.390" (9.91mm) | 0.969" (24.61mm) | 0.858" (21.79mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.209" (5.31mm) | 0.969" (24.61mm) | - | 1.500" (38.10mm) | Boot | |
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Black | Adhesive Coating | 0.311" (7.90mm) | 0.650" (16.51mm) | 0.559" (14.20mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 11 | 0.150" (3.81mm) | 0.469" (11.91mm) | - | 1.000" (25.40mm) | Boot | |
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Black | Flame Retardant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Adhesive Coating | - | - | - | Polyolefin (PO), Flexible | 58 | 0.272" (6.91mm) | - | - | - | Boot, Transition - Side Breakout, 45° | |
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Black | Fluid Resistant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Elastomer, Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Fluid Resistant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Elastomer, Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Fluid Resistant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Elastomer, Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Fluid Resistant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Elastomer, Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Eyelet and Clip, Flame Retardant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Flame Retardant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Polyolefin (PO), Flexible | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | Eyelet and Clip, Fluid Resistant, Lip | 0.409" (10.39mm) | 0.941" (23.90mm) | 0.830" (21.08mm) | Elastomer, Semi-Rigid | 21 | 0.220" (5.59mm) | 0.941" (23.90mm) | 0.512" (13.00mm) | 1.496" (38.00mm) | Boot | |
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Black | - | 0.900" (22.86mm) | 2.000" (50.80mm) | - | Polyolefin (PO), Semi-Rigid | 83 | - | - | - | 3.500" (88.90mm) | Cap | |
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Black | - | 0.900" (22.86mm) | 2.000" (50.80mm) | 4.000" (101.60mm) | Elastomer, Fluid Resistant | 83 | - | - | - | - | Cap | |
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Black | - | 0.311" (7.90mm) | 0.701" (17.81mm) | 0.791" (20.10mm) | Polyolefin (PO), Flexible | 11 | 0.150" (3.81mm) | 0.701" (17.81mm) | 0.449" (11.40mm) | - | Boot - 90° | |
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Black | - | 0.311" (7.90mm) | 0.701" (17.81mm) | 0.791" (20.10mm) | Polyolefin (PO), Flexible | 11 | 0.150" (3.81mm) | 0.701" (17.81mm) | 0.449" (11.40mm) | - | Boot - 90° | |
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Black | Adhesive Coating | 0.311" (7.90mm) | 0.701" (17.81mm) | 0.791" (20.10mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.150" (3.81mm) | 0.701" (17.81mm) | 0.449" (11.40mm) | - | Boot - 90° | |
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Black | - | 0.310" (7.87mm) | 0.700" (17.78mm) | 0.790" (20.07mm) | Elastomer, Fluid Resistant | 11 | 0.390" (9.91mm) | 0.700" (17.78mm) | 0.170" (4.32mm) | - | Boot - 90° | |
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Black | Adhesive Coating, Flame Retardant | 0.311" (7.90mm) | 0.650" (16.51mm) | 0.559" (14.20mm) | Polyolefin (PO), Flexible | 11 | 0.150" (3.81mm) | 0.650" (16.51mm) | - | 1.000" (25.40mm) | Boot | |
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Black | - | 1.660" (42.16mm) | 1.660" (42.16mm) | - | Polyolefin (PO), Semi-Rigid | 32 | 0.290" (7.37mm) | 0.550" (13.97mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | - | 0.610" (15.50mm) | 1.441" (36.60mm) | - | Polyolefin (PO), Flexible | - | - | 1.441" (36.60mm) | 0.882" (22.40mm) | 5.752" (146.10mm) | Boot | |
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Black | Flame Retardant, Potting (Injection) Port | 0.390" (9.91mm) | 0.969" (24.61mm) | 0.858" (21.79mm) | Polyolefin (PO), Flexible | 21 | 0.209" (5.31mm) | 0.969" (24.61mm) | - | 1.500" (38.10mm) | Boot | |
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Black | Adhesive Coating, Flame Retardant | 0.390" (9.91mm) | 0.969" (24.61mm) | 0.858" (21.79mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.209" (5.31mm) | 0.969" (24.61mm) | - | 1.500" (38.10mm) | Boot | |
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Black | - | 0.410" (10.41mm) | 0.920" (23.37mm) | 0.830" (21.08mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.220" (5.59mm) | 0.920" (23.37mm) | - | 1.500" (38.10mm) | Boot | |
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Black | - | 0.390" (9.91mm) | 0.941" (23.90mm) | 0.740" (18.80mm) | Polyolefin (PO), Flexible | 11 | 0.260" (6.60mm) | 0.681" (17.30mm) | 3.449" (87.60mm) | 4.142" (105.21mm) | Boot - 90° | |
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Black | Adhesive Coating, Flame Retardant, Fluid Resistant | 0.560" (14.22mm) | 0.760" (19.30mm) | 1.100" (27.94mm) | Elastomer, Semi-Rigid | 32 | 0.260" (6.60mm) | 0.560" (14.22mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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Black | - | 0.560" (14.22mm) | 0.760" (19.30mm) | 1.100" (27.94mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 0.560" (14.22mm) | 0.630" (16.00mm) | 2.020" (51.31mm) | Boot | |
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Black | - | 0.800" (20.32mm) | 0.850" (21.59mm) | 0.752" (19.10mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.161" (4.09mm) | 0.311" (7.90mm) | - | 1.311" (33.30mm) | Boot, Rectangular | |
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Black | - | 1.110" (28.19mm) | 0.752" (19.10mm) | 0.870" (22.10mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.209" (5.31mm) | 0.752" (19.10mm) | - | 1.531" (38.89mm) | Boot, Rectangular | |
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Black | - | 0.800" (20.32mm) | 0.850" (21.59mm) | 0.752" (19.10mm) | Polyolefin (PO), Flexible | 11 | 0.161" (4.09mm) | 0.311" (7.90mm) | - | 1.311" (33.30mm) | Boot, Rectangular |
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