| Item | Bossed BSD-406E | Bossed BSD-551 | Bossed BSD-553 | Remarks |
| Product Name | Fatty Amine Bisazole Derivative | Benzotriazole Derivative | Triazole Derivative | |
| Product Feature | Liquid multi-functional additive with good antioxidant and copper corrosion inhibition properties. Functions as an oiliness agent and friction modifier. Exhibits good oil solubility and strong rust prevention. | Metal deactivator capable of forming chelates with metal ions, thereby creating an inert protective film on metal surfaces. Inhibits the catalytic effect of metals or their ions on oil oxidation. | Excellent copper corrosion inhibition, suitable for formulating high-grade automotive and industrial gear oils. | |
| Appearance | Pale yellow transparent liquid | Yellow transparent liquid | Pale yellow transparent liquid | |
| Odor | Low odor | Pungent odor | Pungent odor | Comparative test |
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Copper Strip Corrosion: 121°C/3h Test Oil Sample: 150N + 0.05% Additive + 3% T321 Reference Oil Sample: 150N + 3% T321 |
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