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Product

MSHA tight-buffered subgrouping mining optical cable MSHA 30 CFR 7.4086×6F 900 µm Sub-UnitsAll-Dielectric Aramid

GX-SERIES (GX036D) MSHA Subgrouping Mining Optical CableGX-SERIES (GX036D) MSHA-approved all-dielectric tight-buffered subgrouping optical cable for underground mining and industrial backbones, with 6 aramid-reinforced 6-fibre sub-units (36F) around a central FRP rod and an interlocked MSHA jacket.

Engineered for underground mining, open-cast excavation, shaft infrastructure and heavy industrial service per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 across -40 to +85 °C.

Flame-retardant

Oil-resistant

Anti-torsion braid

Approved

Configuration

Order designation: GX-SERIES (GX036D) 36F (6×6F) Subgrouping
Outer Ø ≈: 14.5 mm
Net weight ≈: 192 kg/km
Tensile rating ≈: 3.6 kN
Core / stranding: 900 µm tight-buffered + Aramid

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: Optical
Operating temp.: -40 to +85 °C
Min. bend radius: 10 × OD
Core / conductor: 12–72F 900 µm
Outer protection: D-Jacket MSHA
Standard: MSHA / GX-Series

Typical values for this cable type, based on MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 — confirmed in the datasheet and quotation for your order.

Application fit

Is GX-SERIES (GX036D) right for your machine?

Engineered for underground mining, open-cast excavation, shaft infrastructure and heavy industrial service per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 across -40 to +85 °C.

Mine roadway & tunnel wall hangers

Suitable

Engineered for underground mining shafts, galleries and tunnel infrastructure per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045.

Fixed installation

Suitable

Suitable for vertical shaft cleats, gallery messenger hooks and tray routing within 10 × OD.

Free-hanging vertical run

Suitable

Supports inclined roadway and vertical mine shaft suspension within rated kN load across -40 to +85 °C.

Festoon & line chain

Not suitable

Not optimized for high-speed overhead crane C-track festoon loops; select a dedicated festoon cable.

NGFLGÖU Flat Rubber Festoon Cable

Typical machinesMining & TunnellingUnderground Coal & Hard-Rock MiningOpen-Cast Excavators, Draglines & ShovelsVertical Mine Shafts, Hoists & BoreholesTunneling, Mineral Processing & Slurry Plants

Construction

Layer by layer

Shown: GX-SERIES (GX036D) (MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045) featuring central dielectric member, sub-cable units (6×6f subgrouping) and interlocked outer jacket (d-jacket) (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Central Dielectric Member	Flexible central rod stabilizing helically stranded sub-cables
2	Sub-Cable Units (6×6F Subgrouping)	Six independent sub-cables with 900 µm tight-buffered fibres & aramid yarn
3	Peripheral Aramid Reinforcement	Heavy outer layer of high-modulus aramid yarns for pulling tension
4	Interlocked Outer Jacket (D-Jacket)	Pressure-extruded MSHA-approved jacket interlocked with sub-unit interstices

GX-SERIES (GX036D) — Standard Mining Execution

Built to MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 with central dielectric member and interlocked outer jacket (d-jacket)

GX-SERIES (GX036D) — Custom Drum Length & Gland Kit

Available in custom shaft/roadway drum lengths or pre-terminated assemblies

GX-SERIES (GX036D) — Routine & Flame Test Certified

Supplied with EN 10204 3.1 routine dielectric, resistance & flame test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: Optical (MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045)
Core / conductor construction: Central Dielectric Member — Flexible central rod stabilizing helically stranded sub-cables
Primary dielectric / buffering: Sub-Cable Units (6×6F Subgrouping) — Six independent sub-cables with 900 µm tight-buffered fibres & aramid yarn

Thermal

Continuous operating temperature: -40 to +85 °C (mining & industrial service)
Short-circuit / peak thermal rating: Verified thermal stability per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Interlocked Outer Jacket (D-Jacket) — Pressure-extruded MSHA-approved jacket interlocked with sub-unit interstices
Minimum bending radius: 10 × OD
Crush, impact & abrasion duty: Heavy-duty mining rock-cut, impact and tensile protection per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045

Resistance

Flame retardancy & mine fire safety: Self-extinguishing / flame-retardant mining jacket per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045
Mine water, oil & chemical resistance: Resistant to acidic mine water, hydraulic oils and abrasion per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045
Flame & environmental test standards: IEC 60332 / MSHA / EN 60794 / IEC 60228
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: GX-SERIES (GX036D)
Sheath colour & metre marking: Continuous metre-marked orange mining outer sheath
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard GX-SERIES (GX036D) mining & industrial configurations

Manufactured to MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 for underground mining, open-cast excavation, shaft and heavy industrial systems.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
GX-SERIES (GX036D) Construction Schedule (-40 to +85 °C)
GX-SERIES (GX024D) 24F (4×6F) Subgrouping	24 × SM/MM (4 × 6F Sub-Units)	900 µm tight-buffered + Aramid	12.2	138	2.7	122
GX-SERIES (GX036D) 36F (6×6F) Subgrouping	36 × SM/MM (6 × 6F Sub-Units)	900 µm tight-buffered + Aramid	14.5	192	3.6	145
GX-SERIES (GX072D) 72F (6×12F) Subgrouping	72 × SM/MM (6 × 12F Sub-Units)	900 µm tight-buffered + Aramid	18.8	310	4.5	190

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour grades and factory drum lengths available per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
24 × SM/MM (4 × 6F Sub-Units)	0.40	≤0.4 / 0.3 dB/km @ 1310/1550 nm	-40 to +85 °C
36 × SM/MM (6 × 6F Sub-Units)	0.40	≤0.4 / 0.3 dB/km @ 1310/1550 nm	-40 to +85 °C
72 × SM/MM (6 × 12F Sub-Units)	0.40	≤0.4 / 0.3 dB/km @ 1310/1550 nm	-40 to +85 °C

Every production length undergoes routine conductor DC resistance, high-voltage Spark/AC dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, continuity & dimensional verification (MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045)	DC resistance at 20 °C / optical attenuation and outer diameter within MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045)	Zero dielectric breakdown and verified insulation resistance over full production length	Every manufactured drum length
Sample tests
Flame propagation, mechanical crush & thermal ageing qualification (MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045)	Verified flame retardancy, mechanical integrity and thermal endurance across -40 to +85 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

MSHA / GX-Series CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX GX-SERIES (GX036D) MSHA / GX-Series Optical CE

Delivery form: Heavy-duty export fumigated wooden drums or steel mine reels
Standard lengths: 500 m, 1,000 m or custom continuous shaft/reeling lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFGX-SERIES (GX036D) MSHA Subgrouping Mining Optical Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXGX-SERIES (GX036D) spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-24
Updated: 2026-10-24

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define GX-SERIES (GX036D) (GX-SERIES (GX036D) MSHA Subgrouping Mining Optical Cable)?

GX-SERIES (GX036D) (GX-SERIES (GX036D) MSHA Subgrouping Mining Optical Cable) is manufactured in accordance with MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045 for Optical duty over -40 to +85 °C. Its 4-layer construction comprises Central Dielectric Member, Sub-Cable Units (6×6F Subgrouping) and Interlocked Outer Jacket (D-Jacket).

What is the minimum bending radius and operating temperature range for GX-SERIES (GX036D)?

The minimum bending radius for GX-SERIES (GX036D) is 10 × OD across its continuous operating temperature range of -40 to +85 °C, ensuring mechanical and dielectric reliability in mining and heavy industrial service.

How are the concentric layers of GX-SERIES (GX036D) arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Central Dielectric Member (Flexible central rod stabilizing helically stranded sub-cables); (02) Sub-Cable Units (6×6F Subgrouping) (Six independent sub-cables with 900 µm tight-buffered fibres & aramid yarn); (03) Peripheral Aramid Reinforcement (Heavy outer layer of high-modulus aramid yarns for pulling tension); (04) Interlocked Outer Jacket (D-Jacket) (Pressure-extruded MSHA-approved jacket interlocked with sub-unit interstices).

What factory test certificates are supplied with GX-SERIES (GX036D)?

Every production drum of GX-SERIES (GX036D) undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per MSHA 30 CFR 7.408 / TIA-568 / MIL-PRF-85045, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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02Reel & motion

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03Message for our engineers

GX-SERIES (GX036D) MSHA Subgrouping Mining Optical Cable

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Reel & motion:
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