Suppliers of Anhydrides (SA, OSA, DDSA, PIBSA)

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PIBSA - Formulation dosage in the lubricant sector

Release time:2026-01-24

PIBSA formulation dosage


  • Precursorfor Ashless Dispersant (T154/T155 Synthesis) ,Addition Ratio 60%~80% (in polyamine reaction system) ,Main reaction raw material; the remaining is polyamine/solvent. The final addition amount of the synthesized product in engine oil is 1%~3%.

  • Metalworking Fluid (Emulsifiable/Semisynthetic Cutting Fluid) ,Addition Ratio1.5%~3% (direct addition) ,Balances emulsification, rust prevention and dispersion; suitable for precision machining of aluminum/magnesium alloys; extends cutting fluid service life; resistant to 600ppm hard water.

  • Industrial Gear Oil/Hydraulic Oil (Auxiliary Dispersion & Rust Prevention), Addition Ratio0.5%~1.2% ,Compound with anti-wear agents (ZDDP) and amide additives without precipitation; prevents sludge deposition and improves system cleanliness.

  • Fuel Detergent (For Gasoline/Diesel) ,Addition Ratio2%~5% (in synthesis system) ,Reacts with polyetheramine; the final addition amount in fuel is 50~200ppm; removes injector deposits and improves combustion efficiency.


PIBSA Core Compound Solution (Focusing on Dispersion / Rust Prevention / Emulsification)


  • Synthesis Formulation of Ashless Dispersant (Type T155) for Engine Oil


Ratio (Mass Ratio): PIBSA (Mn=1000) : Polyethylene Polyamine (PEDA) : Base Oil (60N) = 75:10:15 Reaction Conditions: 140~160℃, heat preservation for 3~4h, vacuum dehydration to moisture ≤0.1% Application: CF-4/CH-4 grade diesel engine oil; final addition amount 2%~3%; long-term sludge dispersion; extends oil change cycle by 1.5 times.


  • Semi-synthetic Metal Cutting Fluid (Special for Aluminum Alloys)


Ratio (Mass Ratio): PIBSA : Triethanolamine (TEA) : Polyether Defoamer : Base Oil (150N) : Deionized Water = 2.5:1.8:0.2:15:80.5 Performance: pH 8.5~9.5; qualified for 24h cast iron rust prevention; no aluminum alloy corrosion; resistant to 600ppm hard water; low foam and easy defoaming.


  • Industrial Hydraulic Oil (Anti-wear & Dispersive Type)


Ratio (Mass Ratio): PIBSA : ZDDP (Anti-wear Agent) : Phenolic Antioxidant : 46# Hydraulic Oil = 0.8:1.5:0.3:97.4 Performance: Wear spot diameter ≤0.4mm (392N, 60min); viscosity change ≤10% after 100h oxidation at 120℃; no sludge deposition.