HeatShrink (4 CM) 40mm Optic Fiber
Part Number: FLHESH04
Category: Fiber Optic Tool
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Overview
Features
Key Benefits
Applications
Technical Specs
More Info
Heat Shrink (4 CM) 40mm × 2.3mm × 1.0mm Overview
The Heat Shrink (4 CM) 40mm × 2.3mm × 1.0mm is designed to protect and reinforce fusion-spliced fiber optic joints. Commonly used in FTTH, FTTx, and telecommunication networks, this heat shrink sleeve provides mechanical strength, insulation, and environmental protection for delicate fiber splice points.
When heated, the tube shrinks uniformly around the splice, securing the fusion area and helping prevent moisture ingress, bending stress, and mechanical damage. Its compact 40 mm length makes it ideal for splice trays and fiber optic closures where space is limited, ensuring reliable long-term performance in both indoor and outdoor fiber installations.
Heat Shrink (4 CM) 40mm × 2.3mm × 1.0mm Benefits
- Provides strong mechanical protection for fusion splices, reducing the risk of fiber breakage.
- Ensures stable alignment of spliced fibers, helping maintain low insertion loss.
- Heat-activated shrink tubing forms a tight seal that protects against moisture and dust.
- Integrated strength member reinforces the splice area for long-term durability.
- Quick and easy to apply with standard fiber optic heat ovens, saving installation time.
- Compact 40 mm length fits most splice trays and closures used in FTTH and FTTx networks.
- Improves overall reliability of fiber optic networks in both indoor and outdoor environments.
Heat Shrink (4CM) 40mm Features
- High-quality heat-shrinkable sleeve for fiber optic protection.
- 40mm length, 2.3mm inner diameter, 1.0mm wall thickness.
- Provides strong environmental and mechanical protection for fiber splices.
- Compatible with FTTH/FLTH fusion splices and standard splice enclosures.
- Durable polyolefin material ensures long-lasting performance.
- Easy installation using standard heat shrink tools or ovens for precise shrinkage.
Heat Shrink (4 CM) 40mm × 2.3mm × 1.0mm Applications
- Used to protect fusion splices in fiber optic cables after splicing.
- Ideal for FTTH and FTTx network installations and maintenance.
- Applied in fiber splice closures, joint boxes, and splice trays.
- Suitable for telecommunications, LAN/WAN, and CATV fiber networks.
- Used in data centers to secure and protect fiber connections.
- Provides mechanical protection for splices in indoor and outdoor fiber systems.
- Commonly used during fiber repair, restoration, and network upgrades.
Heat Shrink (4CM) 40mm × 2.3mm × 1.0mm Specifications
| Specification | Details |
|---|---|
| Product Name | Heat Shrink Splice Protection Tube |
| Part Number | FLHESH04 |
| Length | 40mm (4cm) |
| Outer Diameter (Before Shrink) | Approximately 2.3mm |
| Inner Diameter (After Shrink) | Approximately 1.0mm |
| Material | Heat‑shrinkable polyolefin tube with hot‑melt adhesive liner and strength rod |
| Strength Member | Internal stainless steel strength rod |
| Color | Transparent or Light Amber |
| Application | Protection of fiber optic fusion splices |
| Compatible Fiber Types | Single‑mode and multi‑mode (250µm/900µm buffered fibers) |
| Environment | Indoor and outdoor (protected closure / splice tray use) |
| Operating Temperature | Approximately ‑40°C to +85°C |
| Standards Compliance | Meets industry splice protection requirements |
Heat Shrink (4CM) 40mm × 2.3mm × 1.0mm FAQS
What is this heat shrink used for?
It is used to protect fiber optic fusion splices, providing mechanical strength and environmental protection for single-mode and multi-mode fibers.
What are the dimensions of this heat shrink?
The heat shrink is 40mm long, with an outer diameter of 2.3mm before shrinking and an inner diameter of 1.0mm after shrinking.
Is it reusable?
No, this heat shrink is designed for one-time installation on fiber splices to ensure reliable protection.
Which fiber types is it compatible with?
It is compatible with both single-mode and multi-mode fibers, including 250µm and 900µm buffered fibers.
Can it be used outdoors?
Yes, it is suitable for indoor and outdoor applications when used inside splice trays or protected enclosures, withstanding temperatures from ‑40°C to +85°C.
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