Optical

Jacket  Machine

Test items

Units

Spec

Test items

Units

Spec

Single-mode  fiber cutoff wavelength

λc/nm

≤ 1250

Test material

—

PVC

λcc/nm

≤ 1260

Maximum Attenuation @

1310nm

dB/km

≤ 0.40

Tensile Strength

Elongation at break

1550nm

dB/km

≤ 0.30

Thermal aging treatment

Dispersion Coefficient

1288-1339nm

ps/nm•km

|D|≤3.5

Before

MPa/

%

≥12.5

≥150

1271-1360nm

Ps/nm•km

|D|≤5.3

After

%

20

≥125

1550nm

ps/nm•km

|D|≤18

Time

h

24×10

Zero dispersion Wavelength

nm

1300~1322

Temperature

°C

100±2

Zero dispersion slope

ps/nm²×km

≤0.092

Change rate after heating aging

%

20

Light source continuity

—

continuous

Others characteristics

Cable Net weight

1Core

22kg/km

Product Length

m/Plywood Drum

500

1000

2000