Comtest FSS-SC40 Fiber Protection Sleeves, 40mm, 50/Pkg (Lot of 400 Sleeves)

The Comtest FSS-SC40 Fiber Protection Sleeves are essential components for safeguarding fusion splices in fiber optic installations. These 40mm heat-shrinkable sleeves provide robust protection against environmental factors, mechanical stress, and bending, ensuring long-term reliability in telecommunications, data centers, and networking applications. Each sleeve features a clear outer tube, an inner EVA meltable tube for secure fiber encasement, and a stainless steel strength member to prevent fiber breakage. Designed for single-fiber splices (typically 250µm coated fibers), they are compatible with most fusion splicers and offer quick installation via heat shrinking at around 120-140°C. Advantages include high durability, low shrinkage temperature to minimize fiber damage, and transparency for easy inspection of splice points. Compared to similar products from brands like 3M or Tyco, Comtest sleeves offer cost-effective performance with excellent tensile strength and moisture resistance. Drawbacks may include the need for precise heating to avoid over-shrinking. This lot includes approximately 400 sleeves, packaged in bags of 50, ideal for bulk use in field repairs or large-scale deployments. They are new and unused, as evidenced by original packaging.