Confirmed maintenance of performance even after exceeding the recommended oil change interval
Kawabe Co., Ltd. announced that a third-party analysis of oil from vehicles using the engine oil additive 'Bansho', manufactured by Chiba Green Energy, confirmed that excellent oil performance is maintained even after approximately 20,000 km of driving.
📋 Article Processing Timeline
- 📰 Published: April 8, 2026 at 19:23
- 🔍 Collected: April 8, 2026 at 11:00
- 🤖 AI Analyzed: April 20, 2026 at 19:48 (296h 47m after Collected)
Kawabe Co., Ltd. (Headquarters: 3-3-9 Minamihorie, Nishi-ku, Osaka City, Representative Director: Takamitsu Iibe) announced that in a verification conducted by Chiba Green Energy Co., Ltd., the manufacturer of the engine oil additive 'Bansho', a third-party organization analyzed the used oil of vehicles that utilized 'Bansho', confirming that excellent oil performance is maintained even after driving approximately 20,000 km.
This analysis was conducted by a third-party organization specializing in lubricating oil analysis, and scientific evaluations were made regarding wear metals and deterioration indicators in the engine oil.
## Analysis results after 20,000 km of actual driving
In this analysis, the metal components indicating the wear status inside the engine were measured.
Metal components indicating engine wear
Element / Measured Value / Meaning
Iron (Fe) / 11 ppm / Cylinder and gear wear
Aluminum (Al) / 5 ppm / Piston wear
Copper (Cu) / Less than 1 ppm / Bearing wear
The analyzing organization stated that this result
This analysis was conducted by a third-party organization specializing in lubricating oil analysis, and scientific evaluations were made regarding wear metals and deterioration indicators in the engine oil.
## Analysis results after 20,000 km of actual driving
In this analysis, the metal components indicating the wear status inside the engine were measured.
Metal components indicating engine wear
Element / Measured Value / Meaning
Iron (Fe) / 11 ppm / Cylinder and gear wear
Aluminum (Al) / 5 ppm / Piston wear
Copper (Cu) / Less than 1 ppm / Bearing wear
The analyzing organization stated that this result