900um tight-buffered fiber single-mode and multimode color coded
Tight-buffered fiber cross-section showing buffer layer over 250um fiber
Indoor Fiber Optic Cable

Tight-Buffered Fiber — 900um Single Mode & Multimode

Base component for indoor fiber cables, pigtails, and patch cords. 250um bare fiber with buffer material extruded to 600um or 900um tight buffer. Available in G.652D single-mode and OM1-OM4 multimode. Color coded per TIA-598.

Cable TypeTight-Buffered Fiber (TBF)
Fiber TypeG.652D SM / OM1-OM4 MM
Bare Fiber Diameter247 +/- 0.7um
Buffer Diameter600 +/- 50um or 900 +/- 50um
Buffer MaterialPVC / LSZH / Nylon
Color CodingTIA-598 standard, 12 colors
Specifications

Technical Specifications

Cable Type
Tight-Buffered Fiber (TBF)
Fiber Type
G.652D SM / OM1-OM4 MM
Bare Fiber Diameter
247 +/- 0.7um
Buffer Diameter
600 +/- 50um or 900 +/- 50um
Buffer Material
PVC / LSZH / Nylon
Color Coding
TIA-598 standard, 12 colors
Operating Temperature
-20C to +60C
Storage Temperature
-5C to +50C
Flame Retardancy
UL94 V-2 rated
Standards
YD/T 1258.2 · IEC 60794-2
Key Features

Engineered For Performance

Uniform Outer Diameter

Precision extrusion process ensures consistent buffer diameter across the entire fiber length, enabling reliable connector termination and splice performance.

Easy Stripping & Termination

Buffer material designed for clean stripping with standard tools, reducing field termination time and minimizing the risk of fiber damage during preparation.

Flame Retardant Construction

Buffer materials meet indoor flame retardancy requirements, available in both PVC and LSZH options for plenum and riser-rated environments.

Stable Temperature Performance

Maintains consistent optical and mechanical performance across the rated temperature range, with minimal buffer shrinkage or expansion.

Typical Applications

01

Indoor Fiber Optic Cables

Core building block for simplex, duplex, distribution, and breakout indoor cables used in building backbone and horizontal cabling systems.

02

Pigtail & Patch Cord Assembly

Primary fiber element in pigtail and patch cord manufacturing, where the tight buffer provides mechanical protection during connector assembly.

03

Active & Passive Component Pigtails

Used as pigtail fiber in optical splitters, WDM devices, and other passive components requiring direct fiber-to-device connections.

Interested in this Tight-Buffered Fiber?

Tell us your quantity, cable length, and any custom requirements. Our engineering team will respond with a detailed quote within 24 hours.

TTI Fiber 12,000 sqm manufacturing facility in Shenzhen, China

Why TTI Fiber

Trusted Manufacturer Since 2013

TTI Fiber is a professional fiber optic manufacturer based in Shenzhen, China. We provide full OEM/ODM services with factory-direct pricing and dedicated engineering support.

12,000sqmManufacturing Base
15+yearsIndustry Experience
100+countriesProducts Exported
30+brandsGlobal Partners
ISO9001ISO14001CERoHSCPRREACH

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