• Accurate process control ensuring good mechanical and temperature performances
• The material of loose tubes with good hydrolysis resistance and relatively high strength
• Tube filling compound providing the key protection for fibres
• Using small-sized B6a2 fibres with good micro and macro bending performance
• Comply with IEC60794-3-11(2007): Optical fibre cables- Part 3-11
• Water resistance of optical cable is ensured by the following measures:
• Special water-blocking compound filled in loose tubes
• Laminated aluminum tape armor
• Cable filling compound ensuring longitudinal water resistance
|
Type |
Stranded units |
Fibre count |
Cable diameter （mm） |
Cable weight （Kg/km） |
Sheath thickness （mm） |
Bending radius Dynamic/static （mm） |
|---|---|---|---|---|---|---|
|
GYTA≤60B6a2(200μm) |
5 |
≤60 |
6.9 |
48 |
1.2 |
20D/10D |
|
GYTA-62-72B6a2(200μm) |
6 |
62-72 |
7.1 |
53 |
1.2 |
20D/10D |
|
GYTA-74-96B6a2(200μm) |
8 |
74-96 |
8.1 |
72 |
1.2 |
20D/10D |
|
GYTA-98-120B6a2(200μm) |
10 |
98-120 |
9.0 |
89 |
1.2 |
20D/10D |
|
GYTA-122-144B6a2(200μm) |
12 |
122-144 |
9.8 |
110 |
1.2 |
20D/10D |
Note:
1. For color arrangement of fibres and loose tubes, see the color sequence.
2. D is cable diameter.
|
Type |
Tensile strength (N) Long/short term |
Crush（N/100mm） Long/short term |
|---|---|---|
|
GYTA≤60B6a2(200μm) |
240/800 |
300/1000 |
|
GYTA-62-72B6a2(200μm) |
300/850 |
300/1000 |
|
GYTA-74-96B6a2(200μm) |
350/1200 |
300/1000 |
|
GYTA-98-120B6a2(200μm) |
450/1400 |
300/1000 |
|
GYTA-122-144B6a2(200μm) |
700/2000 |
300/1000 |
• Transport/storage temperature: -40℃ to +70℃
• Compound flow: No filling compound or coating compound drop out of optical cable at 70℃
• Water penetration: No water comes out within 24 hours after 1m water head is applied to the entire cross section of 3m long optical cable
|
Test |
Testing method |
Conditions |
Acceptance criteria |
|---|---|---|---|
|
Tensile |
IEC60794-1-21 method E1 |
TM = according to above table TL = 30% of TM. |
The maximum fibre strain should not be higher than 0.6% under TM load Additional attenuation ≤0.1dB after test No damage to outer jacket and inner elements |
|
Impact |
IEC60794-1-21 method E4 |
Impact energy: 3J Impact number: 1 Impact points: 3 |
Additional attenuation ≤0.1dB after test No damage to outer jacket and inner elements |
|
Crush |
IEC60794-1-21 method E3 |
Load: 1000N/100mm Duration time: 1min |
Additional attenuation ≤0.1dB after test No damage to outer jacket and inner elements |
|
Torsion |
IEC60794-1-21 method E7 |
Cycles:5 Length under test: 2m Turns: ± 180° |
Additional attenuation ≤0.1dB after test No damage to outer jacket and inner elements |
|
Repeated Bending |
IEC60794-1-21 method E6 |
Bending radius: 20*D Cycles: 25 |
No damage to outer jacket and inner elements |
• Standard length: 2,000m; other lengths are also available
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