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 | Adhesive Coating, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resistant | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.559" (14.20mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 11 | 0.252" (6.40mm) | 0.882" (22.40mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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Black | Adhesive Coating, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resistant | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.559" (14.20mm) | Polyolefin (PO), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.882" (22.40mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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Black | - | 0.310" (7.87mm) | 0.420" (10.67mm) | 0.570" (14.48mm) | Polyolefin (PO), Semi-Rigid | 11 | 0.080" (2.03mm) | 0.180" (4.57mm) | 0.180" (4.57mm) | 0.990" (25.15mm) | Boot | |
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- | - | - | - | - | - | - | - | - | - | - | - | |
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Black | - | 0.858" (21.79mm) | 1.421" (36.09mm) | 1.382" (35.10mm) | Polyolefin (PO), Flexible | 52 | 0.331" (8.41mm) | 1.421" (36.09mm) | 1.181" (30.00mm) | - | Boot - 90° | |
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Black | - | 0.370" (9.40mm) | 0.811" (20.60mm) | - | Fluoroelastomer (FKM), Flexible | 52 | - | - | - | 2.402" (61.01mm) | Cap | |
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Black | Flame Retardant, Potting (Injection) Port | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.402" (35.61mm) | Polyolefin (PO), Semi-Rigid | 42 | 0.291" (7.39mm) | 1.220" (30.99mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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Black | Fluid Resistant, Potting (Injection) Port | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.402" (35.61mm) | Elastomer, Semi-Rigid | 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 | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.402" (35.61mm) | Polyolefin (PO), Semi-Rigid | 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 | 0.701" (17.81mm) | 1.220" (30.99mm) | 1.402" (35.61mm) | Polyolefin (PO), Semi-Rigid | 42 | 0.291" (7.39mm) | 1.220" (30.99mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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Black | - | 0.618" (15.70mm) | 0.882" (22.40mm) | 0.618" (15.70mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.618" (15.70mm) | 0.402" (10.21mm) | - | 5.000" (127.00mm) | Boot | |
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Black | - | 0.618" (15.70mm) | 0.882" (22.40mm) | 0.618" (15.70mm) | Polyolefin (PO), Semi-Rigid | 12 | 0.618" (15.70mm) | 0.402" (10.21mm) | - | 5.000" (127.00mm) | Boot | |
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Black | - | 0.728" (18.49mm) | 1.339" (34.01mm) | 1.299" (32.99mm) | Elastomer, Fluid Resistant | 72 | 0.354" (9.00mm) | 1.339" (34.01mm) | - | - | Boot | |
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Black | - | 2.311" (58.70mm) | 2.360" (59.94mm) | 1.118" (28.40mm) | Polyolefin (PO), Flexible | 42 | 0.339" (8.61mm) | 0.681" (17.30mm) | - | 2.098" (53.29mm) | Boot, Rectangular | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.380" (35.05mm) | Polyolefin (PO), Flexible | 52 | 0.330" (8.38mm) | 1.420" (36.07mm) | 0.570" (14.48mm) | - | Boot - 90° | |
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Black | - | 0.374" (9.50mm) | 0.591" (15.00mm) | 1.909" (48.50mm) | Polyolefin (PO), Semi-Rigid | 21 | 0.106" (2.70mm) | 0.236" (5.99mm) | - | 2.362" (59.99mm) | Boot, Transition - Breakout, 2:1 | |
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Black | - | 0.710" (18.03mm) | 1.550" (39.37mm) | - | Polyolefin (PO), Semi-Rigid | 11 | - | - | - | - | Cap | |
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Black | Adhesive Coating, Fluid Resistant | 0.559" (14.20mm) | 1.180" (29.97mm) | 1.140" (28.96mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.453" (11.51mm) | 2.050" (52.07mm) | Boot | |
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- | Adhesive Coating, Fluid Resistant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 0.790" (20.07mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.453" (11.51mm) | 1.690" (42.93mm) | Boot | |
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- | Adhesive Coating, Eyelet Clip, Fluid Resistant, Lip | 0.559" (14.20mm) | 1.180" (29.97mm) | 0.790" (20.07mm) | Elastomer, Semi-Rigid | 32 | 0.232" (5.89mm) | 1.180" (29.97mm) | 0.453" (11.51mm) | 1.690" (42.93mm) | Boot | |
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Black | - | 0.700" (17.78mm) | 0.940" (23.88mm) | 1.400" (35.56mm) | Polyolefin (PO), Flexible | 42 | 0.290" (7.37mm) | 0.610" (15.49mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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Black | - | 0.390" (9.91mm) | 0.540" (13.72mm) | 0.860" (21.84mm) | Elastomer, Fluid Resistant | 21 | 0.210" (5.33mm) | 0.460" (11.68mm) | - | 1.500" (38.10mm) | Boot | |
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Black | - | 0.700" (17.78mm) | 0.940" (23.88mm) | 1.400" (35.56mm) | Elastomer, Fluid Resistant | 42 | 0.290" (7.37mm) | 0.610" (15.49mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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Black | - | 0.700" (17.78mm) | 0.940" (23.88mm) | 1.400" (35.56mm) | Polyolefin (PO), Semi-Rigid | 42 | 0.290" (7.37mm) | 0.610" (15.49mm) | 0.870" (22.10mm) | 2.630" (66.80mm) | Boot | |
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Black | - | 1.110" (28.19mm) | 1.680" (42.67mm) | 2.220" (56.39mm) | Polyolefin (PO), Semi-Rigid | 63 | 0.390" (9.91mm) | 1.680" (42.67mm) | 0.970" (24.64mm) | 4.080" (103.63mm) | Boot | |
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Black | Lip | 1.110" (28.19mm) | 1.531" (38.89mm) | 0.551" (14.00mm) | Polyolefin (PO), Flexible | 53 | 0.430" (10.92mm) | 1.240" (31.50mm) | 5.598" (142.19mm) | 7.000" (177.80mm) | Boot | |
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Black | - | 1.480" (37.59mm) | 2.280" (57.91mm) | - | Polyolefin (PO), Flexible | 52 | 0.420" (10.67mm) | 1.480" (37.59mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | - | 2.311" (58.70mm) | 2.311" (58.70mm) | - | Polyolefin (PO), Semi-Rigid | 42 | 0.339" (8.61mm) | 0.681" (17.30mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | - | 0.560" (14.22mm) | 1.120" (28.45mm) | 1.090" (27.69mm) | Polyolefin (PO), Flexible | 32 | 0.260" (6.60mm) | 1.120" (28.45mm) | 0.650" (16.51mm) | 2.160" (54.86mm) | Boot | |
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Black | - | 0.563" (14.30mm) | 1.118" (28.40mm) | 1.091" (27.71mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | - | 2.161" (54.89mm) | Boot | |
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Black | - | 0.563" (14.30mm) | 1.118" (28.40mm) | 1.091" (27.71mm) | Polyolefin (PO), Flexible | 32 | 0.260" (6.60mm) | 1.118" (28.40mm) | - | 2.161" (54.89mm) | Boot | |
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Black | - | 2.311" (58.70mm) | 2.311" (58.70mm) | - | Elastomer, Semi-Rigid | 42 | 0.339" (8.61mm) | 0.681" (17.30mm) | - | - | Boot, Rectangular - Right Angle, 90° | |
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Black | - | 0.560" (14.22mm) | 1.120" (28.45mm) | 1.090" (27.69mm) | Polyolefin (PO), Semi-Rigid | 32 | 0.260" (6.60mm) | 1.120" (28.45mm) | 0.650" (16.51mm) | 2.160" (54.86mm) | Boot | |
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Black | - | 0.560" (14.22mm) | 1.120" (28.45mm) | 0.620" (15.75mm) | Polyolefin (PO), Flexible | - | 0.260" (6.60mm) | 1.118" (28.40mm) | 0.650" (16.51mm) | 1.690" (42.93mm) | Boot | |
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Black | Fluid Resistant, Lip | 0.882" (22.40mm) | 1.420" (36.07mm) | 1.654" (42.01mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 53 | 0.331" (8.41mm) | 0.830" (21.08mm) | 1.180" (29.97mm) | 3.150" (80.01mm) | Boot | |
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Black | - | 0.800" (20.32mm) | 0.630" (16.00mm) | 0.750" (19.05mm) | Polyolefin | 11 | 0.160" (4.06mm) | 0.630" (16.00mm) | - | 1.310" (33.27mm) | Boot, Rectangular | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.630" (41.40mm) | Polyolefin (PO), Semi-Rigid | 53 | 0.330" (8.38mm) | 1.420" (36.07mm) | - | 3.150" (80.01mm) | Boot | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.630" (41.40mm) | Polyolefin (PO), Flexible | 53 | 0.330" (8.38mm) | 1.420" (36.07mm) | - | 3.150" (80.01mm) | Boot | |
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Black | - | 0.700" (17.78mm) | 1.220" (30.99mm) | 0.350" (8.89mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 42 | 0.280" (7.11mm) | 0.710" (18.03mm) | 0.250" (6.35mm) | - | Boot - 45° | |
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Black, White | Drain Holes, Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.902" (22.91mm) | 1.340" (34.04mm) | 0.480" (12.19mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 42 | 0.382" (9.70mm) | 1.340" (34.04mm) | 5.150" (130.81mm) | 6.280" (159.51mm) | Boot | |
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Black | Adhesive, Lip | 0.728" (18.49mm) | 1.220" (30.99mm) | 0.480" (12.19mm) | Polyolefin (PO), Flexible | 32 | 0.350" (8.89mm) | 0.953" (24.21mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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Black | Adhesive, Lip | 0.728" (18.49mm) | 1.220" (30.99mm) | 0.480" (12.19mm) | Polyolefin (PO), Flexible | 32 | 0.350" (8.89mm) | 0.953" (24.21mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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Black | Adhesive Coating, Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Strain Resistant | 0.752" (19.10mm) | 1.030" (26.16mm) | 0.800" (20.32mm) | Polyolefin (PO), Flexible, Irradiated | 32 | 0.102" (2.59mm) | 0.300" (7.62mm) | 1.770" (44.96mm) | 2.921" (74.19mm) | Boot | |
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Black | Flame Retardant | - | - | - | Polyolefin (PO), Semi-Rigid | 63 | - | - | - | - | Boot | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 0.400" (10.16mm) | Polyolefin (PO), Semi-Rigid | 53 | 0.330" (8.38mm) | 1.110" (28.19mm) | 0.830" (21.08mm) | 1.500" (38.10mm) | Boot | |
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Black | - | 0.880" (22.35mm) | 1.420" (36.07mm) | 1.630" (41.40mm) | Polyolefin (PO), Semi-Rigid | - | 0.330" (8.38mm) | 1.417" (35.99mm) | 0.819" (20.80mm) | 3.150" (80.01mm) | Boot | |
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 0.591" (15.00mm) | 1.012" (25.70mm) | 0.780" (19.81mm) | Polyolefin (PO), Semi-Rigid, Irradiated | 21 | 0.291" (7.39mm) | 1.012" (25.70mm) | 2.118" (53.80mm) | 3.098" (78.69mm) | Boot - 90° |
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