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G657B3 1.2mm TAC Thermal Adhesive Coated Fiber System

★★★★★
Highly Rated

Description

TAC invisible optical cable is the abbreviation for transparent tight-buffered thermal adhesive coated fifiber covered with hot melt glue. It is an optical cable composed of G.657.B3 optical fiber, a transparent tight jacket layer, and a layer of hot melt adhesive. Each layer is extruded step by step using an extrusion process, with a nominal outer diameter of 1.2mm.

The application of invisible optical cable is the application where the user does not accept the use of leather fifiber optic cable to enter the home or solves the problem of the user’s difficulty in entering the home, especially in the old residential area and office. The fifiber used is G.657.B3 fiber with a minimum bending radius of 5mm. When laying, there is no need to nail, make brackets, perforate, make pipes, etc., to destroy the original indoor structure, or because of the discontinuity of the laying, the optical cable will sag and fall off and other safety hazards. At the same time, the optical cable is almost transparent so it will not affect the indoor Beautiful, simple construction method, only need hand-held heating installation tools to complete the laying project.

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G657B3 1.2mm TAC Thermal Adhesive Coated Fiber System Datasheet

FAQ

Q: What is the primary application of a 0.9mm transparent invisible optical cable?

A: It is engineered for vertical wiring in buildings and FTTx drop segments, making it ideal for routing fiber discreetly along wall skirting, doors, and windows into rooms.

Q: What fiber type is used in this cable and what are its main performance benefits?

A: It utilizes G657B3 optical fiber, offering superior anti-bending performance, a compact 0.9mm profile, precisely controlled routing, and full indoor transparency.

Q: Is this G657B3 invisible cable compatible with other standard single mode fibers?

A: Yes, it is fully compatible with standard G.652D and G.657A2 optical fibers.

Q: What cable lengths and connector configurations are available?

A: Available lengths range from 1m to 50m (including 1m, 2m, 3m, 5m, 10m, 15m, 20m, 25m, 30m, and 50m) with connector options including SC/APC-SC/APC, SC/UPC-SC/UPC, LC/APC-LC/APC, and LC/UPC-LC/UPC.

Q: How do I select my configuration and submit an inquiry?

A: Choose your preferred Cable Length and Connector combination from the options on the product page, then click “Add to Quote” or “Request a Demo” to submit your request directly.

Customer Reviews

4.7 / 5.0 ★★★★★ Based on 33 customer reviews
Matthias Brand
June 18, 2026

Deploying last-mile indoor cabling in historic office buildings required an unobtrusive drop solution that avoids surface damage. The G657B3 1.2mm TAC (Transparent Tight-Buffered Thermal Adhesive Coated) fiber system met all our mechanical and aesthetic requirements. The 1.2mm nominal outer diameter extruded cable features an integrated layer of hot melt glue activated seamlessly via handheld heating installation tools. This allowed our installation crews to fix routes along door frames and skirting boards without drilling, stapling, or mounting brackets. The G.657.B3 fiber core handled 5mm minimum bend radiuses around sharp interior corners without any measurable macro-bending loss, while maintaining perfect compatibility with our main G.652D and G.657A2 distribution trunks.

Evelina Kjellberg
January 30, 2026

In retrofit FTTx projects where building owners refuse surface-mounted conduit or visible drop cables, this 1.2mm TAC thermal adhesive coated fiber system provides a game-changing alternative. Because the cable is almost transparent and adheres directly to wall surfaces when heated, it solves subscriber drop challenges without degrading interior aesthetics. Eliminating nails, brackets, and wall perforations prevents cable sagging and accidental detachment hazards over time. Optical qualification testing confirmed seamless intermateability with G.657A2 and G.652D networks, while pre-terminated SC/APC and LC/APC connector assemblies ensured low insertion loss across our entire indoor drop segment.

Tobias Finch
October 14, 2025

For vertical wiring inside older residential complexes and commercial offices, the TAC invisible optical cable system drastically lowers labor costs and installation complexity. The step-by-step extruded 1.2mm cable structure combines a transparent tight-buffered jacket with a uniform hot-melt adhesive coating. Our field teams utilized portable handheld thermal tools to route the line cleanly along window trims and baseboards. The G.657.B3 fiber's extreme 5mm minimum bending radius ensured that sharp 90-degree turns caused zero attenuation penalties. It offers an outstanding technical solution for high-density, non-invasive indoor optical drop deployments.

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