Fiber in metal tube (FIMT)
Fiber in metal tube (FIMT) Cables
Cable layers:

- layers options:Stainless steel tubes can be combined with additional layers like metal layers, stranding wire, polymer, aluminium)
- Metal options:stainless steel grades (ASTM/AISI/ANSI: 304/304L/316L/316Ti), Nickel Alloy Grades (Alloy 825/625/Invar 36)
Filling Compound:Filling compounds for Fiber in Metal Tubes are used to protect the fibers from moisture and mechanical stress.
- Wide temperature range: – 60° up to + 200 °C
- High, medium or without hydrogen scavenging properties
- Short-term exposure up to + 300 °C
- Full synthetic thixotropic compound
- Non-toxic
Optical Fiber Types Options:
- standard Fiber types: G.652.D, G.657.A1, G.657.A2, G.655, …..;
- Speciality Fiber Types: Copper Coated Fibers, Aluminum Coated Fibers, Gold Coated Fibers, Buffered Fibers, Polyimide Coated Fibers, etc
- Different colours are available.
FIMT Capabilities
- Diameter: 1.1-7.0mm (0.043-0.275 in.)
- Wall Thickness: 0.125 - 0.300 mm (0.005 - 0.012 in)
- Max Length: 25.000 Meters (82.000 Feet)
- Wire Elements: Ø 0.5 mm upwards (Ø 0.02 in upwards)
- Fiber Count: max. 144 (250μm), Max. 192 (200μm)
- Capacity: 12.000 km per year (39.4t kft per year)
- Metallic Tube: Inert gas protection, Pressure tight weld
- Filling Compound: Up to 200°C (Up to 392°F)
- Plastic Layers: High variation, Tiny tolerances
- Markings & Labelings: dif. Standards, Tube labelling
- Other Components: AWG wires, Sensor Fibers
- Technical Support: Fast Service, Product dev. On demand

FIMT Cable types:
| Single layer optical core | ||
|---|---|---|
Single Layer FIMT![]() |
Perforated FIMT![]() |
Rectangular FIMT![]() |
| Multi layer optical core | ||
polymer layered FIMT![]() |
Multi layered FIMT![]() |
Basalt Combined FIMT![]() |
Thick Wall Aluminum Layered FIMT![]() |
Thin Wall Aluminum Layered FIMT![]() |
Triple Stranded Tube![]() |
| Reinforced Optical Core | ||
Stranded Single Layer FIMT![]() |
Stranded Double Layer FIMT![]() |
Universal Cable![]() |
Harsh Environment Cable![]() |
Self-supporting Downhole Cable![]() |
|
| Special Sensing Core | ||
Trisens Core![]() |
Trisens Cable![]() |
SonoSens![]() |
FIMT Applications:

for more technical details about this product, please contact to us at comint@comintindia.com
















