T4208 car tooth fluid adhesive and practice


Application of anti-rust and anti-friction multifunctional additive in T4208 compounding agent Anti-rust and anti-friction multifunctional additive is applied to T4208 vehicle gear oil compounding agent, which can not only improve the anti-rust performance of the compounding agent, but also reduce the friction coefficient of the compounding agent. To achieve the purpose of energy saving and noise reduction. T4208 compounding agent with a certain amount of anti-rust and anti-friction multifunctional additive and T4208 compounding agent without adding anti-rust and anti-friction multifunctional additive were added to the Kelly Hydrogenated Base Oil KH150BS and Daqing Hydrogenated Base Oil HVIWH350 at the same dosage. In the 80W/90 base oil, the lubricating oil load performance test was carried out. The results are shown in Figure 11.
Figure 11 friction coefficient load curve It can be seen from Figure 11 that the introduction of anti-rust and anti-friction multi-functional additive in T4208 compounding agent can significantly reduce the friction coefficient of vehicle gear oil under different loads, thus improving the overall performance of T4208 compounding agent. The T4208 compounding agent with a certain amount of rust-proof and friction-reducing multifunctional additive was added to the 80W/90 base oil blended with Karamay hydrogenated base oil KH150BS and Daqing hydrogenated base oil HVIWH350 at a dosage of 4.5, and the ultra-heavy rear axle gear oil was developed. China FAW conducted the Nissan rear axle noise test. The results show that the noise value is lower at different speeds than the ordinary rear axle gear oil. The results are shown in Figure 12. Figure 12 Different lubricants vs. noise test T4208 vehicle gear oil compound performance Features: The vehicle gear oil compound agent sold by the three foreign additive companies in the domestic market is selected, and the four-ball machine test and the copper sheet corrosion test are carried out in the base oil produced by the domestic vehicle gear 1 oil compound T4202. The results are shown in Table 3.
The phosphorus element in the figure exists in the form of - in the extreme pressure film, and the phosphorus peak of the figure is more obvious than the phosphorus peak of the figure, indicating that the content of the extreme pressure film formed by 7 is higher under extreme pressure conditions. The protection of the metal surface is more effective. In summary, the phosphorothioate amine salt, the borated phosphorothioate amine salt phosphorothioate; the sulfur phosphate complex amine salt; the four phosphorus-containing additives chemically react with the metal surface under extreme pressure conditions to form The iron phosphate extreme pressure lubricating film has an effective protection effect on the metal surface. Among the four phosphorus-containing additives, the anti-wear and anti-wear durability of the phosphorothioate amine is the best.

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