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Fiber optic heat shrink tubing 40mm

40mm fiber optic heat shrink tubing provides mechanical reinforcement, environmental protection, and secure sealing for fusion-spliced fiber optic joints.

Overview and Purpose

Fiber optic heat shrink tubing, also known as fusion splice protection sleeves, is designed to protect and reinforce spliced fiber optic joints. The 40mm length is compact, making it ideal for splice trays, closures, and limited-space installations in FTTH, FTTx, and telecommunication networks. When heated, the tubing shrinks uniformly around the splice, forming a tight seal that prevents moisture ingress, dust, bending stress, and mechanical damage.

Key Features

Mechanical Strength: Integrated stainless steel or reinforcing rods provide structural support to prevent fiber breakage at the splice. Environmental Protection: Heat-activated adhesive and cross-linked polyolefin create a hermetically sealed structure, offering resistance to humidity, temperature fluctuations, and corrosion. Optical Performance: Maintains fiber alignment and low insertion loss, ensuring reliable signal transmission.

Ease of Installation: Compatible with all standard fusion splice machines and can be applied quickly using fiber optic heat ovens. Durability: Resistant to heat shocks, cracking, and dripping, suitable for both indoor and outdoor environments.

Typical Specifications

Length: 40mmInner Diameter: Typically 1. 0–1. 3mmOuter Diameter: Typically 2.

3–2. 6mmMaterial: Cross-linked polyolefin with stainless steel reinforcementFiber Capacity: Single fiber or multi-fiber ribbons (up to 12 fibers in some models), ApplicationsFTTH and FTTx networks: Compact size fits splice trays and closures. Telecommunication networks: Provides long-term protection for critical fiber splices.

Indoor and outdoor installations: Resistant to environmental stressors, ensuring reliable performance over time.

Summary

A 40mm fiber optic heat shrink tube is an essential component for mechanical reinforcement, environmental sealing, and optical performance preservation in fiber optic splicing. Its compact size, durable materials, and ease of installation make it suitable for a wide range of fiber optic network applications, ensuring long-term reliability and protection of spliced fibers.

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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