What Is The Problem of "Not Enough Impact Strength" on Drum Brake Linings?
In the national standard 5763, there are special provisions for the impact strength of heavy-duty drum brake pads: The punching strength is not less than 0.3 J/cm 2 and the pattern size is 55 mm × 10 mm × 6 mm. If this standard is not met, the brake pads are prone to breakage and chipping.
