Highly effective polyisobutylene succinimide (PIBSI)-based dispersant for controlling sludge and varnish formation.
Excellent low-temperature dispersancy, supporting improved cold-start performance in engine oils.
Good compatibility with conventional and high-performance additive packages, including ZDDP and detergents.
Thermally stable structure ensures consistent performance under extended drain conditions.
Enables formulation of API SP/ILSAC GF-6A–compliant passenger car motor oils (PCMOs).
Passenger car motor oils (PCMOs) — especially 0W-16, 0W-20, and 5W-30 grades.
Heavy-duty diesel engine oils meeting API CK-4 and FA-4 specifications.
Hybrid and mild-hybrid vehicle lubricants requiring low volatility and high oxidation resistance.
Extended-drain and fuel-efficient lubricant formulations for OEM-specified applications.
| Chemical Type | Polyisobutylene succinimide (PIBSI) |
| Product Form | Viscous liquid |
| Appearance | Amber to light brown, clear to slightly hazy liquid |
| Primary Applications | Engine oil dispersant for PCMOs and heavy-duty diesel oils |
| Key Features | Sludge control, varnish suppression, low-temperature performance |
| Benefits | Enhanced oxidation stability, improved deposit control, formulation flexibility |
| Recommended Treat Rate | 2.0–6.0 wt% (varies by formulation and performance targets) |
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E-mail: wangxingqiang@ericwchem.com
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