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WS B-C
After raw material stably supplied by supply contract with LG Chem, YNCC and oversea NCC, WS B-C is produced through vacuum distillation process in Woosung. Afterward WS B-C should be tested by authorized test institute before it is delivered to customers by Woosung’s own tank lorries.
Delivery by Woosung’s own tank lorries
| Item | Woosung | Competitor |
|---|---|---|
| raw material | long-term contract for raw material (LG Chem, YNCC KPIC) |
spot for raw material |
| process | vacuum distillation homogeneous |
blending heterogeneous |
| quality | est by authorized institute | self-tested |
| logistic | lorries owned by woosung | outsourcing |
Comparison (Woosung vs Refinery)
| item | unit | standard | test results | remark | ||
|---|---|---|---|---|---|---|
| Refinery BC | Woosung BC | |||||
| economical | density (15℃) | g/㎤ | 0.91 ~ 0.92 | 1.04 ~ 1.08 | consumption reduced | |
| Heat of combustion | ㎉/ℓ | 9,250 | 10,250 | consumption reduced | ||
| environmental | sulfur | wt.% | 4.0 이하 | 0.25 ~ 0.30 | 0.10 이하 | SOx reduced |
| nitrogen | wt. ppm | 1,000 ~ 2,000 | 50~150 | NOx reduced | ||
| operational | flash point | ℃ | 70 이상 | 100 ~ 180 | 75 ~ 85 | - |
| 점도 (50℃) | ㎟/s | 540 이하 | 80 ~ 185 | 50 ~ 80 | pre-heating reduced | |
| kinematic viscosity | ℃ | 0 ~ 15 | -20 이하 | low tank temp. | ||
| water & sediment | vol.% | 1.0 이하 | 0.1 | 0.05 | low impurities | |
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