Yantai ZK Optics Co., Ltd.
| Material | High Purity Fused Silica (SiO2 > 99.99%) |
| Outer Diameter | 2mm |
| Wall Thickness | 0.25mm |
| Length | 12mm |
| Max Operating Temperature | 1100°C |
| Tube Design | Flared Bell-Mouth (One End Enlarged) |
| Inner Wall | Smooth, Precision Bore, Burr-Free Ends |
| Chemical Resistance | HF, Strong Acid & Alkali, Organic Solvents |
| Transmittance | UV-Visible Range |
| Purity | No Metal Ion Precipitation |
| Application | Fiber Connector Sleeve, Fusion Splice Protection, Multi-Core Fiber Management |
| Model Number | QT-FT-2x0.25x12 |
| Place of Origin | China |
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Product Specification
| Material | High Purity Fused Silica (SiO2 > 99.99%) | Outer Diameter | 2mm |
| Wall Thickness | 0.25mm | Length | 12mm |
| Max Operating Temperature | 1100°C | Tube Design | Flared Bell-Mouth (One End Enlarged) |
| Inner Wall | Smooth, Precision Bore, Burr-Free Ends | Chemical Resistance | HF, Strong Acid & Alkali, Organic Solvents |
| Transmittance | UV-Visible Range | Purity | No Metal Ion Precipitation |
| Application | Fiber Connector Sleeve, Fusion Splice Protection, Multi-Core Fiber Management | Model Number | QT-FT-2x0.25x12 |
| Place of Origin | China | ||
| High Light | flared end quartz glass tube ，2x0.25x12mm quartz glass tube ，Optical fiber protection quartz glass tube | ||
The Quartz Flared Fiber Protection Tube (OD2mm x Wall 0.25mm x Length 12mm) is a precision-engineered micro component designed for bare fiber protection in optical communication devices. Manufactured from high-purity fused silica (SiO2 > 99.99%), it features a unique bell-mouth flared design that combines smooth fiber insertion with secure locking — protecting delicate bare fibers from mechanical damage, thermal stress, and environmental contamination.
| Feature | Benefit |
|---|---|
| Flared Inlet (Large End) | Guides fiber threading smoothly, eliminating insertion resistance and preventing coating abrasion |
| Narrow Locking End (Small End) | Secures fiber in position, preventing pull-out and bending-induced core fracture |
| Burr-Free Precision Ends | Eliminates risk of fiber coating cut from sharp tube edges |
| Application | Description |
|---|---|
| Fiber Connector & Pigtail Sleeves | Pre-installed inside FC/SC/LC connectors to protect fibers against pull stress and bending breakage during plugging/unplugging; ideal for optical modules and transceivers |
| Fusion Splice Joint Protection | Sealed tube encapsulates fusion splices to isolate damage from high heat, grease and moisture; widely used in high-temperature industrial base stations and power substations |
| Multi-Core Bundled Fiber Management | Flared opening gathers multiple bare fibers for neat cable routing; applied in optical splitters and fiber distribution boxes |
vs. Heat-Shrinkable Sleeves: Withstands 1100°C vs ~200°C limit; transparent quartz enables visual inspection without sleeve removal; zero outgassing in vacuum or high-temperature environments
vs. Ceramic Ferrules: Lighter weight with comparable hardness; UV-transparent for adhesive curing; precision bore with smoother inner wall finish; more cost-effective for high-volume deployment
vs. Plastic Protection Tubes: Superior thermal stability with no softening or deformation; excellent organic solvent resistance; long-term dimensional stability without yellowing or embrittlement
| Parameter | Value |
|---|---|
| Material | High Purity Fused Silica (SiO2 > 99.99%) |
| Outer Diameter | 2mm |
| Wall Thickness | 0.25mm |
| Length | 12mm |
| Max Operating Temperature | 1100°C |
| Design Type | Flared Bell-Mouth (One End Enlarged) |
| Chemical Resistance | HF, Strong Acid & Alkali, Organic Solvents |
| Inner Wall | Smooth, Precision Bore, Burr-Free Ends |
| Purity | No Metal Ion Precipitation |
Company Details
Business Type:
Manufacturer,Seller
Year Established:
1998
Total Annual:
2000000-3000000
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Yantai ZK Optics Co., Ltd., is founded in year 1998, it is a high-tech comprehensive glass processing enterprise integrating R&D, production and sales. The product sales have been spread all over the world, and are trusted by users in Asia, Europe, the United states, South Korea and India. It ha... Yantai ZK Optics Co., Ltd., is founded in year 1998, it is a high-tech comprehensive glass processing enterprise integrating R&D, production and sales. The product sales have been spread all over the world, and are trusted by users in Asia, Europe, the United states, South Korea and India. It ha...
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