Borated PIBSI
Borated PIBSI — a boron-modified succinimide dispersant adding anti-wear, improved thermal and oxidative stability and better seal compatibility to the dispersant's core sludge-control function.
The boron-modified dispersant with added anti-wear
Borating a succinimide dispersant adds boron into the structure, bringing anti-wear character, better thermal and oxidative stability and improved seal compatibility alongside dispersancy.
Borated PIBSI is a succinimide dispersant modified with boron, which adds several benefits beyond core sludge dispersancy: anti-wear character, improved thermal and oxidative stability, and better elastomer seal compatibility. The boron reduces the tendency of dispersant nitrogen to interact unfavourably with seals, while contributing to wear protection. This multifunctional behaviour makes borated dispersants valuable in modern engine oils seeking efficient, multifunctional additive systems. It is part of the ashless dispersant family.
Borated PIBSI — typical properties
Representative typical values for borated PIBSI. Indicative only — exact values vary by grade and are confirmed on the TDS and batch COA.
| Property | Typical Value | Method / Note |
|---|---|---|
| Appearance | Amber to brown viscous liquid | Visual |
| Total Base Number (TBN) | ~15–40 mg KOH/g | ASTM D2896 · grade-dependent |
| Nitrogen content | ~1–2 wt% | Polyamine head |
| Boron content | Present | Borated modification |
| Kinematic viscosity (100°C) | ~150–500 mm²/s | ASTM D445 |
| Flash point (COC) | > ~170 °C | ASTM D92 |
| Density (15°C) | ~0.9–0.95 g/cm³ | Typical |
Typical values for guidance only — not a specification. Request the TDS for the specific grade you need; the COA reports actual measured values for your batch.
Where borated PIBSI dispersant is used
Passenger Car Engine Oils
Multifunctional dispersancy with anti-wear and seal benefits. See engine oil additives.
Seal-Sensitive Oils
Boron improves elastomer seal compatibility over conventional dispersants.
Anti-Wear Support
Boron contributes supplementary anti-wear character to the package.
Modern Multifunctional Oils
Efficient multifunctional additive for streamlined formulations.
Why formulators choose borated PIBSI dispersant
Multifunctional performance
Dispersancy plus anti-wear, stability and seal benefits from one borated additive.
Improved seal compatibility
Boron reduces unfavourable dispersant-seal interaction for better elastomer protection.
Better thermal/oxidative stability
Boration improves the dispersant's stability under thermal and oxidative stress.
From sample drum to ISO tank
Sinolook supplies borated PIBSI dispersant at any scale, from formulation samples to commercial bulk, to over 60 countries.
Frequently asked questions
What is borated PIBSI used for?
Why borate a dispersant?
Does borated PIBSI improve seal compatibility?
Does borated PIBSI provide anti-wear protection?
Can Sinolook provide TDS, MSDS and COA?
Request borated PIBSI dispersant from Sinolook
Tell us your target grade, application and volume — we'll send the TDS, a batch COA and a delivered quotation within 24 hours.
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