1,This petroleum jelly has good performance at both low and high temperature;
2,low acid value and hydrogen escape.
This petroleum jelly is water-preventing compound which is made from low temperature mineral refined oil and import thickening agent, water-preventing agent.it has good performance.its acid value and hydrogen escape is very low.
Petroleum jelly for water-preventing optical cable has excellent processing property and high-low temperature performance.it can be filled at room temperature,especially suitable for filling of the optical cable core.its viscosity can be set according to the requirement of userss to satisfy the processing requirement.Its properties are as follow:
| ITEMS | UNIT | Standard Parameter | Test Result | |
| appearance | colour-less and lucent | pass | ||
| dropping point | ≥150 | 230 | ||
| 20density | g/cm3 | 0.918 | ||
| cone penetration 25 | 1/10mm | ≥280 | 360 | |
| -40 | 1/10mm | ≥100 | 180 | |
| 190oxidation induction time min | min | ≥20 | 30 | |
| flash point | 200 | 230 | ||
| 80,24hhydrogen escape | μl/g | ≤0.1 | 0.004 | |
| 80,24hoil separation | ≤2.0 | 0 | ||
| 80,24hevaporation loss | ≤1.0 | 0.39 | ||
| 15g+10gabsorb water time | min | ≤10 | 1 | |
| acid value | mgKOH/g | ≤1.0 | 0.28 | |
| moisture content | ≤0.1 | no | ||
| (25) mPa.s viscosity | mPa.s | 13250 | ||
| 80,672h) PBT.HDPE.MDPE compatibility | no open | pass | ||
| 80,336hCorrosion | no corrosion point | pass | ||
