4:1 RATIO RAISE EFFICIENCY: 4:1 heat shrink tubing is a higher shrinkage ratio than 3:1 and 2:1. It can shrink to 1/4 of its original diameter.and the shrink is quick and solid,can be used for the contraction protection on of irregular shape objects.
ADHESIVE LINED&DUAL WALL: The shrink tube with hot melt adhesive on the inner wall.After shrinking, the inner lining glue will completely seal the materials at the two ends of the connection, Buyuneed dual wall heat shrink tubing protects against moisture and corrosive environments and it better waterproof and insulating sealing effects.
SAFE MATERIAL,STRONG PROTECTION - Buyuneed 4:1 heat shrink tube is polyolefin, has passed UL and CSA certification, meets RoHS requirements. can effectively flame retardant ,and easy to use can be shrunk by heating with hot air gun.
PERFECT FOR USE: 4:1 black heat shrink tubing can be used in industrial maintenance, marine, automotive, wire connection, rust prevention of solder joints, audio and electrical DIY because of its stronger protection and electrical insulation.
VARIETY OF SIZES : We include 5 very useful selection of sizes, you can choose 1/4"/ 1/2"/ 5/8"/ 3/4"/1",The shrink tube data shown in this product are the inner diameter of the heat shrinkable tube the round state. not the measured data of the outer diameter and flattened.
-47%
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