Fumed silica A-200 (a hydrophilic fumed silica with a specific surface area of 200 m²/g ± 25 m²/g) is widely valued in the lubricants industry for its exceptional ability to modify rheology, improve stability, and enhance performance. Its nanoscale particle size (typically 7-40 nm) and high surface area (200 m²/g) make it a versatile additive for addressing various challenges in lubricant and grease formulations.
Here are specific application examples demonstrating its role:

2. Anti-Settling and Suspension Aid
Application: Prevents solid additive settling in lubricating oils and greases.

Example: In gear oils containing MoS₂ (molybdenum disulfide), 0.5-1.0% A-200K prevents settling during storage.

Benefits:
Zero settling of solids after 6 months of static storage.
Ensures homogeneous additive distribution during use.
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