Fiber optic splice protection sleeves are used on fiber glass joint point during the fiber optic fusion work, usually is after the fibers are melt, people use this splice protection tube on the melt point for further protection, its strengthen member inside the tube will make the fiber. Fiber optic splice protection sleeves are used on fiber glass joint point during the fiber optic fusion work, usually is after the fibers are melt, people use this splice protection tube on the melt point for further protection, its strengthen member inside the tube will make the fiber. A fiber optic splice protection sleeve is a heat-shrink tube that seals and reinforces a fusion splice. Get the type or size wrong and you get fiber breakage, water ingress, or splices that fail months later. 60mm single-fiber. A Fiber Optic Splice Sleeve is a protective tube designed to encase a fusion splice—the point where two optical fibers are joined together. After two fibers are precisely fused using a fusion splicer, the splice is fragile and needs protection from physical stress, moisture, dust, and other. In this technical guide, we will explain exactly what the IP68 waterproof standard means, why it is critical for telecommunications, and what structural features define a professional-grade enclosure. This products is made up of cross linked polyolefin heat-shrinkable tubes,hote melt tubes and Stainless steel needle. Its water-resistant and UV-resistant construction provides long-lasting durability, easy installation, and secure sealing, making it ideal for fiber.