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Semi-metallic – primarily contain steel fiber and iron powder(＞30%), abrasives and lubricants.
Low-metallic – contain some steel fiber and/or iron powder(＜30%), various abrasives and lubricants, some non-ferrous metals.
Non-asbestos organics (NAO) – contain nonferrous metals, various abrasives and lubricants, mineral fibers and other reinforcements.
Formulation history and trend
How LPB design and produce the brake pads - View this video:
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