Cold application type LT-500 optical fiber coating paste
- Product model：Type LT-500
- Product Features：low density, low viscosity, large penetration, excellent adhesive force and seepage force、excellent flow ability; Excellent high and low temperature, tiny acid value and hydrogen evolution
- Applications：Apply to filling in the optical fiber (bundle) or gaps of optical fiber, in order to improve transmission property
- Technical Requirements：
Product Introduction
Type LT-500 is designed for large-core optical fiber ribbon cable. The loose tube of optical fiber ribbon cable is made a large diameter and does not drip. It is also needed to use higher viscosity and small penetration (thick pasty fluid). As a result, it is hard to filling in the optical fiber (bundle) or gaps of optical fiber, which leads to reduce the information that optical fiber transfer and effects transmission quality.
Cold application type LT-500 optical fiber coating paste technical specification
Filling gel is needed to be homogeneous, hydrogen absorption, and does not include any dust, metal particles, and other impurities. It should be no sight visible air bubbles, and the mold should be no nutrition. Filling gel should be non-toxic, no stimulation to the skin.
|
Serical number |
items |
Unit |
Index |
Experimental method |
|
|
1 |
appearance |
|
Homogeneous, no impurities |
Visual inspection |
|
|
2 |
Dropping point |
℃ |
≥150 |
YD／T839.1- 3.4.1 |
|
|
3 |
density（20℃） |
g／cm2 |
0.84±0.03 |
YD／T839.1- 3.15 |
|
|
4 |
Cone penetration 25℃ －40℃ |
1／10mm 1／10mm |
500±30 ≥230 |
YD／T839.1- 3.4.2 |
|
|
5 |
Color stability（130℃、120h） |
|
≤2.5 |
YD／T839.1- 3.3.1 |
|
|
6 |
Oxidation induction time （190℃） |
min |
≥30 |
YD／T839.1- 3.3.2 |
|
|
7 |
Flashing point |
℃ |
＞200 |
YD／T839.1- 3.4.3 |
|
|
8 |
Hydrogen evolution （80℃、24h） |
μl／g |
≤0.03 |
YD／T839.1- Appendix G |
|
|
9 |
Oil perspiring（80℃、24h） |
% |
≤0.5 |
YD／T839.1- Appendix A |
|
|
10 |
Evaporation capacity （80℃、24h） |
% |
≤0.5 |
YD／T839.1- Appendix A |
|
|
11 |
Water resistance（20℃、7d） |
|
Non-disassembly |
YD／T839.1- 3.8 |
|
|
12 |
Acid value |
mgK0H／g |
≤0.3 |
YD／T839.1- 3.2 |
|
|
13 |
Water content |
% |
≤0.01 |
YD／T839.1- 3.9 |
|
|
14 |
mpa.s |
3000±1000 |
YD／T839.1- 3.4.4 |
||
|
15 |
compatibility：
A、with optical fiber, optical fiber coating materials （85℃、30×24h）
B、with pine casing material（85℃、30×24h）
variation in tensile strength elongation at break mass variation
C、Composite metal band （68℃、7×24h） Steel-plastic composite tape、Aluminum plastic compound tape |
% % % |
No color fading, No migration, no delamination, no cracking Maximum release force 1.0N～8.9N Average value 1.0N～5.0N
no delamination no cracking
≤25 ≤30 ≤3
no delamination no cracking |
YD／T839.1- Appendix D YD／T839.1- Appendix F
YD／T839.1- Appendix E
YD／T839.1- Appendix E YD／T839.1- Appendix E YD／T839.1- Appendix E
YD／T839.1-3.7-C |
|
|
16 |
corrosive（80℃、14×24h） with copper, aluminum, steel |
|
No corrosion points |
YD／T839.1-3.5 |
|
|
Type |
matter |
Prohibitive content（mg/kg） |
|
Heavy metal |
plumbic |
≤1000 |
|
cadmium |
≤100 |
|
|
mercury |
≤1000 |
|
|
Hexavalent chromium |
≤1000 |
|
|
Organic Bromide |
Polybrominated biphenyls（PBB） |
≤1000 |
|
Polybrominated diphenyl ethers（PBDE） |
≤1000 |
