초록 ▼

A heavy duty supplemental cooling composition for use in diesel engines which comprises a sodium-free buffer, a cavitation liner pitting inhibitor, a metal corrosion and hot surface corrosion inhibitor, a defoamer, a hot surface deposition and scale inhibitor and a detergent. An internal leakage tra

A heavy duty supplemental cooling composition for use in diesel engines which comprises a sodium-free buffer, a cavitation liner pitting inhibitor, a metal corrosion and hot surface corrosion inhibitor, a defoamer, a hot surface deposition and scale inhibitor and a detergent. An internal leakage trace element is included to detect leakage into the engine\s lubricating oil.

대표청구항 ▼

A heavy duty supplemental cooling additive composition for use in diesel engine coolants which performs the functions of buffering, liner pitting inhibition, metal corrosion and hot surface corrosion protection, defoaming and scale inhibition, said additive comprising: (a) a sodium-free buffer conta

A heavy duty supplemental cooling additive composition for use in diesel engine coolants which performs the functions of buffering, liner pitting inhibition, metal corrosion and hot surface corrosion protection, defoaming and scale inhibition, said additive comprising: (a) a sodium-free buffer containing at least one compound selected from the group consisting of borate and phosphate salts, (b) a cavitation liner pitting inhibitor containing at least one compound selected from the group consisting of nitrite and molybdate salts, (c) a metal corrosion and hot surface corrosion inhibitor containing at least one compound selected from the group consisting of nitrates, silicates and azole compounds, (d) a defoamer containing at least one compound selected from the group consisting of silicone defoamers, alcohols and glycols, and (e) a hot surface deposition and scale inhibitor containing at least one compound selected from the group consisting of phosphonates, polyacrylates and sulfonate compounds.