Specification Brand : BuyUneed BulletPoint1 : 4:1 Heat Shrink Tubing: Shrink to 1/4 of its original diameter after heating; allow the tubing to fit more tightly on objects because of the 4:1 heat shrink ratio BulletPoint2 : Dual Wall 4 to 1 Heat Shrink Tubing: Comprise of an outer layer of polyolefin and an inner layer of adhesive; melt when heated; adhesive lining bonded to different material BulletPoint3 : Black Sealed Heat Shrink Tubing: With an adhesive lining to completely encapsulate the wire or cable for a sealing water effect BulletPoint4 : Multiple Application Scenarios: Used in automotive, wire connection, and electrical DIY because of stronger protection and electrical insulation; suitable for insulation and sealing protection of various irregularly shaped objects BulletPoint5 : Variety of Sizes: Not the flat diameter but the circular diameter; 5 different diameters and 3 different lengths of black heat shrink tubing to meet your various needs; diameter for 1/4” and the length for 20 feet BulletPoint6 : PLUG DIMENSION: 1/2 inch thick low profile plug Color : Black ConnectorGender : Male-to-Female ConnectorType : NEMA 5-15R CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 768571890047 ExternallyAssignedProductIdentifier2 : 0768571890047 ExternallyAssignedProductIdentifier3 : 0783961586522 ExternallyAssignedProductIdentifier4 : 6593856619914 ExternallyAssignedProductIdentifier5 : 0054732100927 ExternallyAssignedProductIdentifier6 : 00054732100927 InputCurrent : 15 amps IsUlListed : 1 ItemDisplayWeight : 6.7 ounces ItemLength : 240 inches ItemName : Black Heat Shrink Tubing Adhesive Lined 4:1 Ratio Marine Grade Waterproof Wire Shrink Wrap Tubing Insulation Seal (1/2"-20ft, Black) ItemPackageDimensions_Height : 19.7104 centimeters ItemPackageDimensions_Length : 2.4892 centimeters ItemPackageDimensions_Width : 17.7038 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : heat-shrink-tubing Manufacturer : buyuneed Material : Polyethylene (PE) ModelNumber : a20082700ux0846 NominalWallThickness : 1.3 month NumberOfItems : 1 PackageLevel : unit PartNumber : a20082700ux0846 ProductDescription : Product name:4:1 Dual Wall Adhesive Heat Shrink Tubing Color:Black Materials:Polyolefin / Adhesive lining 4:1 shrink ratio:Shrink to 1 / 4 of the original size after heating temperature range:-45ºC (-49ºF) to 125ºC (257ºF) Tensile strength: 10.4Mpa Dielectric strength: 15 kV / mm Features: 1:High shrinkage ratio: more widely used, suitable for insulation and sealing protection of various irregular shaped objects 2:Thick glue: the hot melt glue on the pipe wall is evenly applied to seal, waterproof and buffer. 3:It has good electrical insulation, sealing and high temperature resistance. Anti-aging, tough, not easy to break. 4:General DIY: widely used in wire connection, insulation protection of solder joints, wire end treatment, metal products rust and corrosion, wire identification and termination. Application 1. Electronic industry, such as household appliances (audio, TV, computer cable, usb line), industrial electrical appliances, automobile wiring harness, etc. 2. Power field: such as switch cabinet, busbar protection, cable intermediate joint and terminal box. 3. Communication field: copper core communication cable joint protection, optical cable joint box sealing, communication base station feeder connection. 4. Railway field: signal cable branch protection, and wiring sealing of railway low-voltage lines. How to use? STEP 1 : Cut to the right size tubes you need. STEP 2 :Wrap the cable wire with the tube,then use a hair dryer or heat gun heating it until the wire was wrapped tightly. TIPS : Don't touch the tube until it becomes cool. How is it measured? Shrink tube is measured using the inside diameter when held in a tube position. This is the diameter of wire, tube or other cylindrical material that it will cover. It is shipped flat and will naturally be wider in this orientation than its inside tube measurement. ProductSiteLaunchDate : 2021-11-22T18:13:22.829Z Size : 1/2"-20ft Style : Heat Shrink Tubing Wire Seal Connector SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 UnspscCode : 40142000 Voltage : 125 volts WarrantyDescription : 1 year manufacturer